PATENTS   
Patents > Guidance, Tools, and Manuals > Classification > Class Schedule
    Class Numbers & Titles   | Class Numbers Only   | USPC Index   | International   | HELP  
You are viewing a USPC Schedule.
Class   137FLUID HANDLING
Click here for a printable version of this file
  Turn Outline  
     Expand/Contract Processing Please Wait
[List of Pre Grant Publications for class 137 subclass 1][List of Patents for class 137 subclass 1]1 PROCESSES
[List of Pre Grant Publications for class 137 subclass 2][List of Patents for class 137 subclass 2]2 Subclass 2 indent level is 1 With control of flow by a condition or characteristic of a fluid
[List of Pre Grant Publications for class 137 subclass 3][List of Patents for class 137 subclass 3]3 Subclass 3 indent level is 2 Mixing of plural fluids of diverse characteristics or conditions
 [List of Pre Grant Publications for class 137 subclass 8][List of Patents for class 137 subclass 8]8 Subclass 8 indent level is 2 For producing uniform flow
 [List of Pre Grant Publications for class 137 subclass 9][List of Patents for class 137 subclass 9]9 Subclass 9 indent level is 2 For producing proportionate flow
 [List of Pre Grant Publications for class 137 subclass 10][List of Patents for class 137 subclass 10]10 Subclass 10 indent level is 2 By speed of fluid
 [List of Pre Grant Publications for class 137 subclass 11][List of Patents for class 137 subclass 11]11 Subclass 11 indent level is 2 For regulating boiler feed water level
 [List of Pre Grant Publications for class 137 subclass 12][List of Patents for class 137 subclass 12]12 Subclass 12 indent level is 2 By fluid pressure
 [List of Pre Grant Publications for class 137 subclass 12.5][List of Patents for class 137 subclass 12.5]12.5 Subclass 12.5 indent level is 1 Carbonated beverage handling processes
 [List of Pre Grant Publications for class 137 subclass 13][List of Patents for class 137 subclass 13]13 Subclass 13 indent level is 1 Affecting flow by the addition of material or energy
 [List of Pre Grant Publications for class 137 subclass 14][List of Patents for class 137 subclass 14]14 Subclass 14 indent level is 1 Involving pressure control
[List of Pre Grant Publications for class 137 subclass 15.01][List of Patents for class 137 subclass 15.01]15.01 Subclass 15.01 indent level is 1 Cleaning, repairing, or assembling
 [List of Pre Grant Publications for class 137 subclass 15.02][List of Patents for class 137 subclass 15.02]15.02 Subclass 15.02 indent level is 2 Repairing or assembling hydrant (e.g., fireplug, etc.)
 [List of Pre Grant Publications for class 137 subclass 15.03][List of Patents for class 137 subclass 15.03]15.03 Subclass 15.03 indent level is 2 Gas or water meter repairing or assembling
[List of Pre Grant Publications for class 137 subclass 15.04][List of Patents for class 137 subclass 15.04]15.04 Subclass 15.04 indent level is 2 Fluid cleaning or flushing
 [List of Pre Grant Publications for class 137 subclass 15.07][List of Patents for class 137 subclass 15.07]15.07 Subclass 15.07 indent level is 2 Mechanical cleaning (e.g., pig, etc.)
[List of Pre Grant Publications for class 137 subclass 15.08][List of Patents for class 137 subclass 15.08]15.08 Subclass 15.08 indent level is 2 Repairing, securing, replacing, or servicing pipe joint, valve, or tank
[List of Pre Grant Publications for class 137 subclass 15.18][List of Patents for class 137 subclass 15.18]15.18 Subclass 15.18 indent level is 2 Valve or valve element assembling, disassembling, or replacing
[List of Pre Grant Publications for class 137 subclass 15.1][List of Patents for class 137 subclass 15.1]15.1 HIGHSPEED FLUID INTAKE MEANS (E.G., JET ENGINE INTAKE)
 [List of Pre Grant Publications for class 137 subclass 15.2][List of Patents for class 137 subclass 15.2]15.2 Subclass 15.2 indent level is 1 With condition responsive control means
[List of Pre Grant Publications for class 137 subclass 38][List of Patents for class 137 subclass 38]38 CONTROL BY CHANGE OF POSITION OR INERTIA OF SYSTEM
 [List of Pre Grant Publications for class 137 subclass 39][List of Patents for class 137 subclass 39]39 Subclass 39 indent level is 1 With second control
[List of Pre Grant Publications for class 137 subclass 40][List of Patents for class 137 subclass 40]40 Subclass 40 indent level is 1 Position relative body of water (e.g., marine governors)
 [List of Pre Grant Publications for class 137 subclass 41][List of Patents for class 137 subclass 41]41 Subclass 41 indent level is 2 Float controlled
 [List of Pre Grant Publications for class 137 subclass 42][List of Patents for class 137 subclass 42]42 Subclass 42 indent level is 2 Pressure or head controlled
 [List of Pre Grant Publications for class 137 subclass 43][List of Patents for class 137 subclass 43]43 Subclass 43 indent level is 1 Vent opening or closing on tipping container
 [List of Pre Grant Publications for class 137 subclass 44][List of Patents for class 137 subclass 44]44 Subclass 44 indent level is 1 By shifting of liquid level
[List of Pre Grant Publications for class 137 subclass 45][List of Patents for class 137 subclass 45]45 Subclass 45 indent level is 1 By pendulum or swinging member
 [List of Pre Grant Publications for class 137 subclass 46][List of Patents for class 137 subclass 46]46 Subclass 46 indent level is 2 With servo connection to valve
[List of Pre Grant Publications for class 137 subclass 47][List of Patents for class 137 subclass 47]47 SPEED RESPONSIVE VALVE CONTROL
 [List of Pre Grant Publications for class 137 subclass 48][List of Patents for class 137 subclass 48]48 Subclass 48 indent level is 1 Acceleration responsive valve control
 [List of Pre Grant Publications for class 137 subclass 49][List of Patents for class 137 subclass 49]49 Subclass 49 indent level is 1 With manual valve control
 [List of Pre Grant Publications for class 137 subclass 50][List of Patents for class 137 subclass 50]50 Subclass 50 indent level is 1 Speed change and excess speed valve control
[List of Pre Grant Publications for class 137 subclass 51][List of Patents for class 137 subclass 51]51 Subclass 51 indent level is 1 With other condition responsive valve control
 [List of Pre Grant Publications for class 137 subclass 52][List of Patents for class 137 subclass 52]52 Subclass 52 indent level is 2 Governor drive failure responsive
[List of Pre Grant Publications for class 137 subclass 53][List of Patents for class 137 subclass 53]53 Subclass 53 indent level is 1 Centrifugal mass type (exclusive of liquid)
 [List of Pre Grant Publications for class 137 subclass 54][List of Patents for class 137 subclass 54]54 Subclass 54 indent level is 2 With multiple valves
 [List of Pre Grant Publications for class 137 subclass 55][List of Patents for class 137 subclass 55]55 Subclass 55 indent level is 2 Periodically actuated valve
 [List of Pre Grant Publications for class 137 subclass 56][List of Patents for class 137 subclass 56]56 Subclass 56 indent level is 2 Rotating valve and rotating governor
 [List of Pre Grant Publications for class 137 subclass 57][List of Patents for class 137 subclass 57]57 Subclass 57 indent level is 2 Excess speed responsive
 [List of Pre Grant Publications for class 137 subclass 58][List of Patents for class 137 subclass 58]58 Subclass 58 indent level is 2 With fluid servo-motor
[List of Pre Grant Publications for class 137 subclass 59][List of Patents for class 137 subclass 59]59 FREEZE CONDITION RESPONSIVE SAFETY SYSTEMS
 [List of Pre Grant Publications for class 137 subclass 60][List of Patents for class 137 subclass 60]60 Subclass 60 indent level is 1 With freeze waste
 [List of Pre Grant Publications for class 137 subclass 61][List of Patents for class 137 subclass 61]61 Subclass 61 indent level is 1 Stop and waste
 [List of Pre Grant Publications for class 137 subclass 62][List of Patents for class 137 subclass 62]62 Subclass 62 indent level is 1 Low temperature responsive drains
[List of Pre Grant Publications for class 137 subclass 65][List of Patents for class 137 subclass 65]65 COMBUSTION FAILURE RESPONSIVE FUEL SAFETY CUT-OFF FOR BURNERS
 [List of Pre Grant Publications for class 137 subclass 66][List of Patents for class 137 subclass 66]66 Subclass 66 indent level is 1 Thermo-electric
[List of Pre Grant Publications for class 137 subclass 67][List of Patents for class 137 subclass 67]67 DESTRUCTIBLE OR DEFORMABLE ELEMENT CONTROLLED
[List of Pre Grant Publications for class 137 subclass 68.11][List of Patents for class 137 subclass 68.11]68.11 Subclass 68.11 indent level is 1 Destructible element
 [List of Pre Grant Publications for class 137 subclass 68.12][List of Patents for class 137 subclass 68.12]68.12 Subclass 68.12 indent level is 2 Combined destructible and fusible element
 [List of Pre Grant Publications for class 137 subclass 68.13][List of Patents for class 137 subclass 68.13]68.13 Subclass 68.13 indent level is 2 Explosive actuation
[List of Pre Grant Publications for class 137 subclass 68.14][List of Patents for class 137 subclass 68.14]68.14 Subclass 68.14 indent level is 2 Separable valve coupling or conduit
[List of Pre Grant Publications for class 137 subclass 68.16][List of Patents for class 137 subclass 68.16]68.16 Subclass 68.16 indent level is 2 Tensile or sheer pin or bolt
 [List of Pre Grant Publications for class 137 subclass 68.18][List of Patents for class 137 subclass 68.18]68.18 Subclass 68.18 indent level is 2 With alarm or indicator
[List of Pre Grant Publications for class 137 subclass 68.19][List of Patents for class 137 subclass 68.19]68.19 Subclass 68.19 indent level is 2 Rupture disc
 [List of Pre Grant Publications for class 137 subclass 69][List of Patents for class 137 subclass 69]69 Subclass 69 indent level is 2 With counterbalancing element
 [List of Pre Grant Publications for class 137 subclass 70][List of Patents for class 137 subclass 70]70 Subclass 70 indent level is 2 Frangible element returns pressure responsive valve
 [List of Pre Grant Publications for class 137 subclass 71][List of Patents for class 137 subclass 71]71 Subclass 71 indent level is 2 Having pressure responsive valve
[List of Pre Grant Publications for class 137 subclass 72][List of Patents for class 137 subclass 72]72 Subclass 72 indent level is 1 Heat destructible or fusible
 [List of Pre Grant Publications for class 137 subclass 73][List of Patents for class 137 subclass 73]73 Subclass 73 indent level is 2 With second sensing means
 [List of Pre Grant Publications for class 137 subclass 74][List of Patents for class 137 subclass 74]74 Subclass 74 indent level is 2 In fluid flow path
[List of Pre Grant Publications for class 137 subclass 75][List of Patents for class 137 subclass 75]75 Subclass 75 indent level is 2 Safety cut-off
[List of Pre Grant Publications for class 137 subclass 78.1][List of Patents for class 137 subclass 78.1]78.1 AMBIENT CONDITION CHANGE RESPONSIVE
[List of Pre Grant Publications for class 137 subclass 78.2][List of Patents for class 137 subclass 78.2]78.2 Subclass 78.2 indent level is 1 For controlling soil irrigation
 [List of Pre Grant Publications for class 137 subclass 78.3][List of Patents for class 137 subclass 78.3]78.3 Subclass 78.3 indent level is 2 Soil moisture sensing
 [List of Pre Grant Publications for class 137 subclass 78.4][List of Patents for class 137 subclass 78.4]78.4 Subclass 78.4 indent level is 1 Burner gas cutoff
[List of Pre Grant Publications for class 137 subclass 78.5][List of Patents for class 137 subclass 78.5]78.5 Subclass 78.5 indent level is 1 Atmospheric
[List of Pre Grant Publications for class 137 subclass 79][List of Patents for class 137 subclass 79]79 Subclass 79 indent level is 2 Temperature
 [List of Pre Grant Publications for class 137 subclass 81.1][List of Patents for class 137 subclass 81.1]81.1 Subclass 81.1 indent level is 2 Pressure
 [List of Pre Grant Publications for class 137 subclass 81.2][List of Patents for class 137 subclass 81.2]81.2 Subclass 81.2 indent level is 1 Underwater
[List of Pre Grant Publications for class 137 subclass 803][List of Patents for class 137 subclass 803]803 FLOW AFFECTED BY FLUID CONTACT, ENERGY FIELD OR COANDA EFFECT (E.G., PURE FLUID DEVICE OR SYSTEM)
[List of Pre Grant Publications for class 137 subclass 804][List of Patents for class 137 subclass 804]804 Subclass 804 indent level is 1 Responsive to condition external of system
 [List of Pre Grant Publications for class 137 subclass 805][List of Patents for class 137 subclass 805]805 Subclass 805 indent level is 2 And causing change or correction of sensed condition
 [List of Pre Grant Publications for class 137 subclass 806][List of Patents for class 137 subclass 806]806 Subclass 806 indent level is 1 Utilizing diverse fluids
 [List of Pre Grant Publications for class 137 subclass 807][List of Patents for class 137 subclass 807]807 Subclass 807 indent level is 1 Utilizing particular fluid
[List of Pre Grant Publications for class 137 subclass 808][List of Patents for class 137 subclass 808]808 Subclass 808 indent level is 1 Means to cause rotational flow of fluid (e.g., vortex generator)
 [List of Pre Grant Publications for class 137 subclass 809][List of Patents for class 137 subclass 809]809 Subclass 809 indent level is 2 Plural vortex generators
 [List of Pre Grant Publications for class 137 subclass 810][List of Patents for class 137 subclass 810]810 Subclass 810 indent level is 2 Vortex generator as control for system
 [List of Pre Grant Publications for class 137 subclass 811][List of Patents for class 137 subclass 811]811 Subclass 811 indent level is 2 Vortex generator in interaction chamber of device
[List of Pre Grant Publications for class 137 subclass 812][List of Patents for class 137 subclass 812]812 Subclass 812 indent level is 2 By tangential input to axial output (e.g., vortex amplifier)
[List of Pre Grant Publications for class 137 subclass 814][List of Patents for class 137 subclass 814]814 Subclass 814 indent level is 1 System comprising plural fluidic devices or stages
[List of Pre Grant Publications for class 137 subclass 815][List of Patents for class 137 subclass 815]815 Subclass 815 indent level is 2 Plural power inputs (e.g., parallel inputs)
[List of Pre Grant Publications for class 137 subclass 822][List of Patents for class 137 subclass 822]822 Subclass 822 indent level is 1 Plural power inputs to single device
[List of Pre Grant Publications for class 137 subclass 823][List of Patents for class 137 subclass 823]823 Subclass 823 indent level is 2 Intersecting at interaction region (e.g., comparator)
[List of Pre Grant Publications for class 137 subclass 825][List of Patents for class 137 subclass 825]825 Subclass 825 indent level is 1 Means to regulate or vary operation of device
 [List of Pre Grant Publications for class 137 subclass 826][List of Patents for class 137 subclass 826]826 Subclass 826 indent level is 2 To vary frequency of pulses or oscillations
[List of Pre Grant Publications for class 137 subclass 827][List of Patents for class 137 subclass 827]827 Subclass 827 indent level is 2 By non-fluid energy field affecting input (e.g., transducer)
[List of Pre Grant Publications for class 137 subclass 829][List of Patents for class 137 subclass 829]829 Subclass 829 indent level is 2 By movable element
 [List of Pre Grant Publications for class 137 subclass 833][List of Patents for class 137 subclass 833]833 Subclass 833 indent level is 1 Structure of body of device
[List of Pre Grant Publications for class 137 subclass 834][List of Patents for class 137 subclass 834]834 Subclass 834 indent level is 1 Device including passages having V over T configuration
 [List of Pre Grant Publications for class 137 subclass 835][List of Patents for class 137 subclass 835]835 Subclass 835 indent level is 2 And feedback passage(s) or path(s)
[List of Pre Grant Publications for class 137 subclass 836][List of Patents for class 137 subclass 836]836 Subclass 836 indent level is 2 With particular characteristics of control input
 [List of Pre Grant Publications for class 137 subclass 838][List of Patents for class 137 subclass 838]838 Subclass 838 indent level is 2 And multiple or joined power-outlet passages
 [List of Pre Grant Publications for class 137 subclass 839][List of Patents for class 137 subclass 839]839 Subclass 839 indent level is 2 And enlarged interaction chamber
 [List of Pre Grant Publications for class 137 subclass 840][List of Patents for class 137 subclass 840]840 Subclass 840 indent level is 2 And vent passage(s)
 [List of Pre Grant Publications for class 137 subclass 841][List of Patents for class 137 subclass 841]841 Subclass 841 indent level is 1 Device including passages having V over gamma configuration
 [List of Pre Grant Publications for class 137 subclass 842][List of Patents for class 137 subclass 842]842 Subclass 842 indent level is 1 Device including linearly-aligned power stream emitter and power stream collector
[List of Pre Grant Publications for class 137 subclass 82][List of Patents for class 137 subclass 82]82 PRESSURE MODULATING RELAYS OR FOLLOWERS
 [List of Pre Grant Publications for class 137 subclass 83][List of Patents for class 137 subclass 83]83 Subclass 83 indent level is 1 Jet control type
 [List of Pre Grant Publications for class 137 subclass 84][List of Patents for class 137 subclass 84]84 Subclass 84 indent level is 1 Plural series units
[List of Pre Grant Publications for class 137 subclass 85][List of Patents for class 137 subclass 85]85 Subclass 85 indent level is 1 With counter-balancing pressure feedback to the modulating device
 [List of Pre Grant Publications for class 137 subclass 86][List of Patents for class 137 subclass 86]86 Subclass 86 indent level is 2 With counter-counter balancing pressure feedback
[List of Pre Grant Publications for class 137 subclass 87.01][List of Patents for class 137 subclass 87.01]87.01 SELF-PROPORTIONING OR CORRELATING SYSTEMS
[List of Pre Grant Publications for class 137 subclass 88][List of Patents for class 137 subclass 88]88 Subclass 88 indent level is 1 Mixture condition maintaining or sensing
 [List of Pre Grant Publications for class 137 subclass 89][List of Patents for class 137 subclass 89]89 Subclass 89 indent level is 2 Dividing and recombining flow
 [List of Pre Grant Publications for class 137 subclass 91][List of Patents for class 137 subclass 91]91 Subclass 91 indent level is 2 By specific gravity
 [List of Pre Grant Publications for class 137 subclass 92][List of Patents for class 137 subclass 92]92 Subclass 92 indent level is 2 By viscosity or consistency
 [List of Pre Grant Publications for class 137 subclass 93][List of Patents for class 137 subclass 93]93 Subclass 93 indent level is 2 By optical or chemical property
 [List of Pre Grant Publications for class 137 subclass 94][List of Patents for class 137 subclass 94]94 Subclass 94 indent level is 1 Fuel controlled by boiler or water system condition
[List of Pre Grant Publications for class 137 subclass 98][List of Patents for class 137 subclass 98]98 Subclass 98 indent level is 1 Self-proportioning flow systems
[List of Pre Grant Publications for class 137 subclass 99][List of Patents for class 137 subclass 99]99 Subclass 99 indent level is 2 Interconnected flow displacement elements
[List of Pre Grant Publications for class 137 subclass 100][List of Patents for class 137 subclass 100]100 Subclass 100 indent level is 2 Flow comparison or differential response
 [List of Pre Grant Publications for class 137 subclass 101.21][List of Patents for class 137 subclass 101.21]101.21 Subclass 101.21 indent level is 2 Flow displacement element actuates electrical controller
[List of Pre Grant Publications for class 137 subclass 101.25][List of Patents for class 137 subclass 101.25]101.25 Subclass 101.25 indent level is 2 Liquid level response
 [List of Pre Grant Publications for class 137 subclass 101.31][List of Patents for class 137 subclass 101.31]101.31 Subclass 101.31 indent level is 2 With measuring type discharge assistant
[List of Pre Grant Publications for class 137 subclass 102][List of Patents for class 137 subclass 102]102 Subclass 102 indent level is 1 Supply and exhaust type
[List of Pre Grant Publications for class 137 subclass 103][List of Patents for class 137 subclass 103]103 Subclass 103 indent level is 2 Vacuum or suction pulsator type (e.g., milking machine)
 [List of Pre Grant Publications for class 137 subclass 106][List of Patents for class 137 subclass 106]106 Subclass 106 indent level is 2 Reversing or 4-way valve systems
 [List of Pre Grant Publications for class 137 subclass 107][List of Patents for class 137 subclass 107]107 Subclass 107 indent level is 2 Waste responsive to flow stoppage
[List of Pre Grant Publications for class 137 subclass 109][List of Patents for class 137 subclass 109]109 Subclass 109 indent level is 1 Self-controlled branched flow systems
 [List of Pre Grant Publications for class 137 subclass 110][List of Patents for class 137 subclass 110]110 Subclass 110 indent level is 2 Dividing and recombining
[List of Pre Grant Publications for class 137 subclass 111][List of Patents for class 137 subclass 111]111 Subclass 111 indent level is 2 Plural inflows
[List of Pre Grant Publications for class 137 subclass 115.01][List of Patents for class 137 subclass 115.01]115.01 Subclass 115.01 indent level is 2 Bypass or relief controlled by main line fluid condition
[List of Pre Grant Publications for class 137 subclass 118.01][List of Patents for class 137 subclass 118.01]118.01 Subclass 118.01 indent level is 2 Plural outflows
 [List of Pre Grant Publications for class 137 subclass 87.02][List of Patents for class 137 subclass 87.02]87.02 Subclass 87.02 indent level is 1 Liquid level responsive
[List of Pre Grant Publications for class 137 subclass 87.03][List of Patents for class 137 subclass 87.03]87.03 Subclass 87.03 indent level is 1 Flow rate responsive
 [List of Pre Grant Publications for class 137 subclass 87.04][List of Patents for class 137 subclass 87.04]87.04 Subclass 87.04 indent level is 2 Pressure differential
[List of Pre Grant Publications for class 137 subclass 87.05][List of Patents for class 137 subclass 87.05]87.05 Subclass 87.05 indent level is 1 Plural sensors
 [List of Pre Grant Publications for class 137 subclass 87.06][List of Patents for class 137 subclass 87.06]87.06 Subclass 87.06 indent level is 2 For single valve
[List of Pre Grant Publications for class 137 subclass 123][List of Patents for class 137 subclass 123]123 SIPHONS
[List of Pre Grant Publications for class 137 subclass 124][List of Patents for class 137 subclass 124]124 Subclass 124 indent level is 1 Plural
 [List of Pre Grant Publications for class 137 subclass 125][List of Patents for class 137 subclass 125]125 Subclass 125 indent level is 2 Tank truck mounted
[List of Pre Grant Publications for class 137 subclass 126][List of Patents for class 137 subclass 126]126 Subclass 126 indent level is 2 Sequentially discharging in parallel
[List of Pre Grant Publications for class 137 subclass 128][List of Patents for class 137 subclass 128]128 Subclass 128 indent level is 2 Main siphon with auxiliary starting, stopping or resetting siphon
[List of Pre Grant Publications for class 137 subclass 130][List of Patents for class 137 subclass 130]130 Subclass 130 indent level is 1 With discharge-controlling receiver
 [List of Pre Grant Publications for class 137 subclass 131][List of Patents for class 137 subclass 131]131 Subclass 131 indent level is 2 With float
[List of Pre Grant Publications for class 137 subclass 132][List of Patents for class 137 subclass 132]132 Subclass 132 indent level is 1 Periodic or accumulation responsive discharge
 [List of Pre Grant Publications for class 137 subclass 133][List of Patents for class 137 subclass 133]133 Subclass 133 indent level is 2 With manual control
 [List of Pre Grant Publications for class 137 subclass 134][List of Patents for class 137 subclass 134]134 Subclass 134 indent level is 2 Control by filling auxiliary tank
 [List of Pre Grant Publications for class 137 subclass 135][List of Patents for class 137 subclass 135]135 Subclass 135 indent level is 2 Float-operated inlet to siphon
[List of Pre Grant Publications for class 137 subclass 136][List of Patents for class 137 subclass 136]136 Subclass 136 indent level is 2 Release of trapped air
 [List of Pre Grant Publications for class 137 subclass 140][List of Patents for class 137 subclass 140]140 Subclass 140 indent level is 1 With strainer, filter, separator or sediment trap
 [List of Pre Grant Publications for class 137 subclass 141][List of Patents for class 137 subclass 141]141 Subclass 141 indent level is 1 With recorder, register, signal, indicator or inspection window
[List of Pre Grant Publications for class 137 subclass 142][List of Patents for class 137 subclass 142]142 Subclass 142 indent level is 1 With flow starting, stopping or maintaining means
 [List of Pre Grant Publications for class 137 subclass 143][List of Patents for class 137 subclass 143]143 Subclass 143 indent level is 2 Siphon venting or breaking
 [List of Pre Grant Publications for class 137 subclass 144][List of Patents for class 137 subclass 144]144 Subclass 144 indent level is 2 With leakage or entrained air removal
 [List of Pre Grant Publications for class 137 subclass 145][List of Patents for class 137 subclass 145]145 Subclass 145 indent level is 2 Pressure applied to liquid in supply chamber
 [List of Pre Grant Publications for class 137 subclass 146][List of Patents for class 137 subclass 146]146 Subclass 146 indent level is 2 Plunge or immersion starting
[List of Pre Grant Publications for class 137 subclass 147][List of Patents for class 137 subclass 147]147 Subclass 147 indent level is 2 Pump or liquid displacement device for flow passage
 [List of Pre Grant Publications for class 137 subclass 150.5][List of Patents for class 137 subclass 150.5]150.5 Subclass 150.5 indent level is 2 Siphon inlet movable to and from seat
 [List of Pre Grant Publications for class 137 subclass 151][List of Patents for class 137 subclass 151]151 Subclass 151 indent level is 2 With valve or closure in-flow passage
 [List of Pre Grant Publications for class 137 subclass 152][List of Patents for class 137 subclass 152]152 Subclass 152 indent level is 1 With means for mounting and/or positioning relative to siphon chamber
 [List of Pre Grant Publications for class 137 subclass 153][List of Patents for class 137 subclass 153]153 Subclass 153 indent level is 1 Elements
[List of Pre Grant Publications for class 137 subclass 154][List of Patents for class 137 subclass 154]154 DIVERSE FLUID CONTAINING PRESSURE SYSTEMS
 [List of Pre Grant Publications for class 137 subclass 155][List of Patents for class 137 subclass 155]155 Subclass 155 indent level is 1 Gas lift valves for wells
[List of Pre Grant Publications for class 137 subclass 156][List of Patents for class 137 subclass 156]156 Subclass 156 indent level is 1 Gas pressure discharge of liquids feed traps (e.g., to boiler)
[List of Pre Grant Publications for class 137 subclass 157][List of Patents for class 137 subclass 157]157 Subclass 157 indent level is 2 Gas pressure controlled by amount of liquids in boiler or discharge receiver
[List of Pre Grant Publications for class 137 subclass 159][List of Patents for class 137 subclass 159]159 Subclass 159 indent level is 2 Gas pressure controlled by amount of liquid in trap
[List of Pre Grant Publications for class 137 subclass 169][List of Patents for class 137 subclass 169]169 Subclass 169 indent level is 2 Gas pressure controlled by manual or cyclic means
[List of Pre Grant Publications for class 137 subclass 170.1][List of Patents for class 137 subclass 170.1]170.1 Subclass 170.1 indent level is 1 Foam control in gas charged liquids
 [List of Pre Grant Publications for class 137 subclass 170.2][List of Patents for class 137 subclass 170.2]170.2 Subclass 170.2 indent level is 2 Level or pressure responsive
 [List of Pre Grant Publications for class 137 subclass 170.3][List of Patents for class 137 subclass 170.3]170.3 Subclass 170.3 indent level is 2 Separate handling of foam
[List of Pre Grant Publications for class 137 subclass 170.4][List of Patents for class 137 subclass 170.4]170.4 Subclass 170.4 indent level is 2 With conditioning trap or chamber
[List of Pre Grant Publications for class 137 subclass 171][List of Patents for class 137 subclass 171]171 Subclass 171 indent level is 1 Fluid separating traps or vents
 [List of Pre Grant Publications for class 137 subclass 172][List of Patents for class 137 subclass 172]172 Subclass 172 indent level is 2 Liquids separated from liquid
[List of Pre Grant Publications for class 137 subclass 173][List of Patents for class 137 subclass 173]173 Subclass 173 indent level is 2 Plural discriminating outlets for diverse fluids
[List of Pre Grant Publications for class 137 subclass 177][List of Patents for class 137 subclass 177]177 Subclass 177 indent level is 2 Discriminating outlet for liquid
[List of Pre Grant Publications for class 137 subclass 197][List of Patents for class 137 subclass 197]197 Subclass 197 indent level is 2 Discriminating outlet for gas
[List of Pre Grant Publications for class 137 subclass 203][List of Patents for class 137 subclass 203]203 Subclass 203 indent level is 2 With liquid emptying means
 [List of Pre Grant Publications for class 137 subclass 205][List of Patents for class 137 subclass 205]205 Subclass 205 indent level is 1 Liquid filling by evacuating container
 [List of Pre Grant Publications for class 137 subclass 205.5][List of Patents for class 137 subclass 205.5]205.5 Subclass 205.5 indent level is 1 Main line flow displaces additive from shunt reservoir
[List of Pre Grant Publications for class 137 subclass 206][List of Patents for class 137 subclass 206]206 Subclass 206 indent level is 1 Gas pressure storage over or displacement of liquid
 [List of Pre Grant Publications for class 137 subclass 207][List of Patents for class 137 subclass 207]207 Subclass 207 indent level is 2 Surge suppression
 [List of Pre Grant Publications for class 137 subclass 207.5][List of Patents for class 137 subclass 207.5]207.5 Subclass 207.5 indent level is 2 With return of liquid to supply
 [List of Pre Grant Publications for class 137 subclass 208][List of Patents for class 137 subclass 208]208 Subclass 208 indent level is 2 Plural units
[List of Pre Grant Publications for class 137 subclass 209][List of Patents for class 137 subclass 209]209 Subclass 209 indent level is 2 With gas maintenance or application
[List of Pre Grant Publications for class 137 subclass 213][List of Patents for class 137 subclass 213]213 Subclass 213 indent level is 2 With liquid level responsive gas vent or whistle
[List of Pre Grant Publications for class 137 subclass 215][List of Patents for class 137 subclass 215]215 BACK FLOW PREVENTION BY VACUUM BREAKING (E.G., ANTI-SIPHON DEVICES)
[List of Pre Grant Publications for class 137 subclass 216][List of Patents for class 137 subclass 216]216 Subclass 216 indent level is 1 Air vent in liquid flow line
[List of Pre Grant Publications for class 137 subclass 216.1][List of Patents for class 137 subclass 216.1]216.1 Subclass 216.1 indent level is 2 With liquid seal in liquid flow line
[List of Pre Grant Publications for class 137 subclass 217][List of Patents for class 137 subclass 217]217 Subclass 217 indent level is 2 Valved
[List of Pre Grant Publications for class 137 subclass 219][List of Patents for class 137 subclass 219]219 LARNER-JOHNSON TYPE VALVES; I.E., TELESCOPING INTERNAL VALVE IN EXPANDED FLOW LINE SECTION
 [List of Pre Grant Publications for class 137 subclass 220][List of Patents for class 137 subclass 220]220 Subclass 220 indent level is 1 Line condition change responsive
[List of Pre Grant Publications for class 137 subclass 221][List of Patents for class 137 subclass 221]221 Subclass 221 indent level is 1 Internal servo-motor with internal pilot valve
 [List of Pre Grant Publications for class 137 subclass 222][List of Patents for class 137 subclass 222]222 Subclass 222 indent level is 2 Pilot controlled passage in nose or needle
[List of Pre Grant Publications for class 137 subclass 223][List of Patents for class 137 subclass 223]223 INFLATABLE ARTICLE (E.G., TIRE FILLING CHUCK AND/OR STEM)
[List of Pre Grant Publications for class 137 subclass 224][List of Patents for class 137 subclass 224]224 Subclass 224 indent level is 1 With pressure-responsive pressure-control means
 [List of Pre Grant Publications for class 137 subclass 224.5][List of Patents for class 137 subclass 224.5]224.5 Subclass 224.5 indent level is 2 Pulsating
 [List of Pre Grant Publications for class 137 subclass 225][List of Patents for class 137 subclass 225]225 Subclass 225 indent level is 2 Diaphragm, bellows or expansible tube
 [List of Pre Grant Publications for class 137 subclass 226][List of Patents for class 137 subclass 226]226 Subclass 226 indent level is 2 Co-axial inflation and relief valves
[List of Pre Grant Publications for class 137 subclass 227][List of Patents for class 137 subclass 227]227 Subclass 227 indent level is 1 With gauge or indicator
 [List of Pre Grant Publications for class 137 subclass 228][List of Patents for class 137 subclass 228]228 Subclass 228 indent level is 2 With deflating means
 [List of Pre Grant Publications for class 137 subclass 229][List of Patents for class 137 subclass 229]229 Subclass 229 indent level is 2 Selectively connected
 [List of Pre Grant Publications for class 137 subclass 230][List of Patents for class 137 subclass 230]230 Subclass 230 indent level is 1 Stem attached relief valve
 [List of Pre Grant Publications for class 137 subclass 231][List of Patents for class 137 subclass 231]231 Subclass 231 indent level is 1 With coupling means
[List of Pre Grant Publications for class 137 subclass 232][List of Patents for class 137 subclass 232]232 Subclass 232 indent level is 1 With cap
[List of Pre Grant Publications for class 137 subclass 233][List of Patents for class 137 subclass 233]233 Subclass 233 indent level is 2 Valve actuating, assembling or locking means on cap
 [List of Pre Grant Publications for class 137 subclass 234.5][List of Patents for class 137 subclass 234.5]234.5 Subclass 234.5 indent level is 1 Removable valve head and seat unit (valve insides)
 [List of Pre Grant Publications for class 137 subclass 234.6][List of Patents for class 137 subclass 234.6]234.6 WITH VEHICLE GUIDE OR SUPPORT, E.G., SERVICE STATION
 [List of Pre Grant Publications for class 137 subclass 236.1][List of Patents for class 137 subclass 236.1]236.1 DISTRIBUTION SYSTEMS INVOLVING GEOGRAPHIC FEATURES
[List of Pre Grant Publications for class 137 subclass 237][List of Patents for class 137 subclass 237]237 WITH CLEANER, LUBRICATION ADDED TO FLUID OR LIQUID SEALING AT VALVE INTERFACE
[List of Pre Grant Publications for class 137 subclass 238][List of Patents for class 137 subclass 238]238 Subclass 238 indent level is 1 Cleaning or steam sterilizing
 [List of Pre Grant Publications for class 137 subclass 239][List of Patents for class 137 subclass 239]239 Subclass 239 indent level is 2 Reverse fluid flow
 [List of Pre Grant Publications for class 137 subclass 240][List of Patents for class 137 subclass 240]240 Subclass 240 indent level is 2 With separate material addition
 [List of Pre Grant Publications for class 137 subclass 241][List of Patents for class 137 subclass 241]241 Subclass 241 indent level is 2 Steam sterilizing
[List of Pre Grant Publications for class 137 subclass 242][List of Patents for class 137 subclass 242]242 Subclass 242 indent level is 2 Mechanical cleaning
[List of Pre Grant Publications for class 137 subclass 246][List of Patents for class 137 subclass 246]246 Subclass 246 indent level is 1 Liquid supplied at valve interface
 [List of Pre Grant Publications for class 137 subclass 246.11][List of Patents for class 137 subclass 246.11]246.11 Subclass 246.11 indent level is 2 Plural feed
 [List of Pre Grant Publications for class 137 subclass 246.12][List of Patents for class 137 subclass 246.12]246.12 Subclass 246.12 indent level is 2 Line pressure feed
 [List of Pre Grant Publications for class 137 subclass 246.13][List of Patents for class 137 subclass 246.13]246.13 Subclass 246.13 indent level is 2 Feed by or with actuation
 [List of Pre Grant Publications for class 137 subclass 246.14][List of Patents for class 137 subclass 246.14]246.14 Subclass 246.14 indent level is 2 Loss control
[List of Pre Grant Publications for class 137 subclass 246.15][List of Patents for class 137 subclass 246.15]246.15 Subclass 246.15 indent level is 2 Screw feed
 [List of Pre Grant Publications for class 137 subclass 246.21][List of Patents for class 137 subclass 246.21]246.21 Subclass 246.21 indent level is 2 Spring biased piston feed
 [List of Pre Grant Publications for class 137 subclass 246.22][List of Patents for class 137 subclass 246.22]246.22 Subclass 246.22 indent level is 2 External pressure
 [List of Pre Grant Publications for class 137 subclass 246.23][List of Patents for class 137 subclass 246.23]246.23 Subclass 246.23 indent level is 2 Gravity or capillary feed
[List of Pre Grant Publications for class 137 subclass 247][List of Patents for class 137 subclass 247]247 WITH LIQUID VALVES OR LIQUID TRAP SEALS
[List of Pre Grant Publications for class 137 subclass 247.11][List of Patents for class 137 subclass 247.11]247.11 Subclass 247.11 indent level is 1 Liquid seal in liquid flow line; flow liquid forms seal
[List of Pre Grant Publications for class 137 subclass 247.13][List of Patents for class 137 subclass 247.13]247.13 Subclass 247.13 indent level is 2 Valves
 [List of Pre Grant Publications for class 137 subclass 247.25][List of Patents for class 137 subclass 247.25]247.25 Subclass 247.25 indent level is 2 Seal replenishers
 [List of Pre Grant Publications for class 137 subclass 247.27][List of Patents for class 137 subclass 247.27]247.27 Subclass 247.27 indent level is 2 Plural inlet
 [List of Pre Grant Publications for class 137 subclass 247.29][List of Patents for class 137 subclass 247.29]247.29 Subclass 247.29 indent level is 2 Divided and recombined passages
 [List of Pre Grant Publications for class 137 subclass 247.31][List of Patents for class 137 subclass 247.31]247.31 Subclass 247.31 indent level is 2 Tangential inlet flow
 [List of Pre Grant Publications for class 137 subclass 247.33][List of Patents for class 137 subclass 247.33]247.33 Subclass 247.33 indent level is 2 Downward partition encircles projecting outlet
[List of Pre Grant Publications for class 137 subclass 247.35][List of Patents for class 137 subclass 247.35]247.35 Subclass 247.35 indent level is 2 Submerged inlet pipe end
[List of Pre Grant Publications for class 137 subclass 247.41][List of Patents for class 137 subclass 247.41]247.41 Subclass 247.41 indent level is 2 U-seals
[List of Pre Grant Publications for class 137 subclass 248][List of Patents for class 137 subclass 248]248 Subclass 248 indent level is 1 Seal for relatively movable valving parts
[List of Pre Grant Publications for class 137 subclass 249][List of Patents for class 137 subclass 249]249 Subclass 249 indent level is 2 Horizontally moving valve
[List of Pre Grant Publications for class 137 subclass 251.1][List of Patents for class 137 subclass 251.1]251.1 Subclass 251.1 indent level is 1 Liquid valves
 [List of Pre Grant Publications for class 137 subclass 252][List of Patents for class 137 subclass 252]252 Subclass 252 indent level is 2 Branched passage for sealing liquid
 [List of Pre Grant Publications for class 137 subclass 253][List of Patents for class 137 subclass 253]253 Subclass 253 indent level is 2 With auxiliary means for varying liquid level
 [List of Pre Grant Publications for class 137 subclass 254][List of Patents for class 137 subclass 254]254 Subclass 254 indent level is 2 With baffle
[List of Pre Grant Publications for class 137 subclass 255][List of Patents for class 137 subclass 255]255 PLURAL TANKS OR COMPARTMENTS WITH PARALLEL FLOW
[List of Pre Grant Publications for class 137 subclass 256][List of Patents for class 137 subclass 256]256 Subclass 256 indent level is 1 Sequentially filled and emptied (e.g., holding type)
[List of Pre Grant Publications for class 137 subclass 257][List of Patents for class 137 subclass 257]257 Subclass 257 indent level is 2 With relative rotation of tank group and filling head
 [List of Pre Grant Publications for class 137 subclass 259][List of Patents for class 137 subclass 259]259 Subclass 259 indent level is 1 With housings, supports or stacking arrangements
[List of Pre Grant Publications for class 137 subclass 260][List of Patents for class 137 subclass 260]260 Subclass 260 indent level is 1 Battery or electrolytic cell replenishment
 [List of Pre Grant Publications for class 137 subclass 261][List of Patents for class 137 subclass 261]261 Subclass 261 indent level is 2 Barometric supply
 [List of Pre Grant Publications for class 137 subclass 262][List of Patents for class 137 subclass 262]262 Subclass 262 indent level is 1 Flow dividing compartments
 [List of Pre Grant Publications for class 137 subclass 263][List of Patents for class 137 subclass 263]263 Subclass 263 indent level is 1 Tank type manifold (i.e., one tank supplies or receives from at least two others)
 [List of Pre Grant Publications for class 137 subclass 264][List of Patents for class 137 subclass 264]264 Subclass 264 indent level is 1 Tank within tank
 [List of Pre Grant Publications for class 137 subclass 265][List of Patents for class 137 subclass 265]265 Subclass 265 indent level is 1 With cross connecting passage
[List of Pre Grant Publications for class 137 subclass 266][List of Patents for class 137 subclass 266]266 Subclass 266 indent level is 1 With manifold or grouped outlets
 [List of Pre Grant Publications for class 137 subclass 267][List of Patents for class 137 subclass 267]267 Subclass 267 indent level is 2 Tank truck type
 [List of Pre Grant Publications for class 137 subclass 268][List of Patents for class 137 subclass 268]268 WITH HOLDER FOR SOLID, FLAKY OR PULVERIZED MATERIAL TO BE DISSOLVED OR ENTRAINED
[List of Pre Grant Publications for class 137 subclass 269][List of Patents for class 137 subclass 269]269 CONVERTIBLE
 [List of Pre Grant Publications for class 137 subclass 269.5][List of Patents for class 137 subclass 269.5]269.5 Subclass 269.5 indent level is 1 Reversible check
[List of Pre Grant Publications for class 137 subclass 270][List of Patents for class 137 subclass 270]270 Subclass 270 indent level is 1 Unit orientable in a single location between plural positions
 [List of Pre Grant Publications for class 137 subclass 270.5][List of Patents for class 137 subclass 270.5]270.5 Subclass 270.5 indent level is 2 Reversible stop and vent or waste
 [List of Pre Grant Publications for class 137 subclass 271][List of Patents for class 137 subclass 271]271 Subclass 271 indent level is 1 Units interchangeable between alternate locations
[List of Pre Grant Publications for class 137 subclass 272][List of Patents for class 137 subclass 272]272 HYDRANT TYPE
[List of Pre Grant Publications for class 137 subclass 273][List of Patents for class 137 subclass 273]273 Subclass 273 indent level is 1 Water crane type
 [List of Pre Grant Publications for class 137 subclass 274][List of Patents for class 137 subclass 274]274 Subclass 274 indent level is 2 Spout operated valve
[List of Pre Grant Publications for class 137 subclass 275][List of Patents for class 137 subclass 275]275 Subclass 275 indent level is 2 Rotating riser
 [List of Pre Grant Publications for class 137 subclass 278][List of Patents for class 137 subclass 278]278 Subclass 278 indent level is 2 Extensible spout
 [List of Pre Grant Publications for class 137 subclass 279][List of Patents for class 137 subclass 279]279 Subclass 279 indent level is 2 Spout articulated to riser
 [List of Pre Grant Publications for class 137 subclass 280][List of Patents for class 137 subclass 280]280 Subclass 280 indent level is 1 Plural riser
 [List of Pre Grant Publications for class 137 subclass 281][List of Patents for class 137 subclass 281]281 Subclass 281 indent level is 1 Expansible chamber operated by valve actuator for draining riser
 [List of Pre Grant Publications for class 137 subclass 282][List of Patents for class 137 subclass 282]282 Subclass 282 indent level is 1 With pump or ejector
[List of Pre Grant Publications for class 137 subclass 283][List of Patents for class 137 subclass 283]283 Subclass 283 indent level is 1 Removable valve and valve seat
 [List of Pre Grant Publications for class 137 subclass 284][List of Patents for class 137 subclass 284]284 Subclass 284 indent level is 2 With extension to facilitate removal
 [List of Pre Grant Publications for class 137 subclass 285][List of Patents for class 137 subclass 285]285 Subclass 285 indent level is 1 Removable valve with supplemental check valve
[List of Pre Grant Publications for class 137 subclass 286][List of Patents for class 137 subclass 286]286 Subclass 286 indent level is 1 Movable riser actuated valve
[List of Pre Grant Publications for class 137 subclass 287][List of Patents for class 137 subclass 287]287 Subclass 287 indent level is 2 Reciprocating riser
 [List of Pre Grant Publications for class 137 subclass 289][List of Patents for class 137 subclass 289]289 Subclass 289 indent level is 1 Balanced valve
 [List of Pre Grant Publications for class 137 subclass 290][List of Patents for class 137 subclass 290]290 Subclass 290 indent level is 1 Valve actuator extends laterally from bottom of riser
[List of Pre Grant Publications for class 137 subclass 291][List of Patents for class 137 subclass 291]291 Subclass 291 indent level is 1 Valve actuator outside riser
 [List of Pre Grant Publications for class 137 subclass 292][List of Patents for class 137 subclass 292]292 Subclass 292 indent level is 2 Lever actuator
 [List of Pre Grant Publications for class 137 subclass 293][List of Patents for class 137 subclass 293]293 Subclass 293 indent level is 2 With casing, flush with ground or pavement surface
[List of Pre Grant Publications for class 137 subclass 294][List of Patents for class 137 subclass 294]294 Subclass 294 indent level is 1 With casing
 [List of Pre Grant Publications for class 137 subclass 295][List of Patents for class 137 subclass 295]295 Subclass 295 indent level is 2 Flush with ground or pavement surface
 [List of Pre Grant Publications for class 137 subclass 296][List of Patents for class 137 subclass 296]296 Subclass 296 indent level is 2 Cap, cover or hood
 [List of Pre Grant Publications for class 137 subclass 297][List of Patents for class 137 subclass 297]297 Subclass 297 indent level is 2 With heater
 [List of Pre Grant Publications for class 137 subclass 298][List of Patents for class 137 subclass 298]298 Subclass 298 indent level is 1 With actuator lubricating means
 [List of Pre Grant Publications for class 137 subclass 299][List of Patents for class 137 subclass 299]299 Subclass 299 indent level is 1 With valve at outlet
 [List of Pre Grant Publications for class 137 subclass 300][List of Patents for class 137 subclass 300]300 Subclass 300 indent level is 1 With supplemental valve
[List of Pre Grant Publications for class 137 subclass 301][List of Patents for class 137 subclass 301]301 Subclass 301 indent level is 1 Protection against freezing
[List of Pre Grant Publications for class 137 subclass 302][List of Patents for class 137 subclass 302]302 Subclass 302 indent level is 2 Stop and waste
[List of Pre Grant Publications for class 137 subclass 309][List of Patents for class 137 subclass 309]309 REVERSING VALVES - REGENERATIVE FURNACE TYPE
 [List of Pre Grant Publications for class 137 subclass 310][List of Patents for class 137 subclass 310]310 Subclass 310 indent level is 1 With cooling
 [List of Pre Grant Publications for class 137 subclass 311][List of Patents for class 137 subclass 311]311 Subclass 311 indent level is 1 Rotary reversing valve
[List of Pre Grant Publications for class 137 subclass 312][List of Patents for class 137 subclass 312]312 WITH LEAKAGE OR DRIP COLLECTING
 [List of Pre Grant Publications for class 137 subclass 313][List of Patents for class 137 subclass 313]313 Subclass 313 indent level is 1 Relatively movable receptacle or drain pipe and outlet
 [List of Pre Grant Publications for class 137 subclass 314][List of Patents for class 137 subclass 314]314 Subclass 314 indent level is 1 Collector for waste liquid derived from solid, gas or vapor
[List of Pre Grant Publications for class 137 subclass 315.01][List of Patents for class 137 subclass 315.01]315.01 WITH REPAIR, TAPPING, ASSEMBLY, OR DISASSEMBLY MEANS
 [List of Pre Grant Publications for class 137 subclass 315.02][List of Patents for class 137 subclass 315.02]315.02 Subclass 315.02 indent level is 1 Blow out preventer or choke valve device (e.g., oil well flow controlling device, etc.)
 [List of Pre Grant Publications for class 137 subclass 315.03][List of Patents for class 137 subclass 315.03]315.03 Subclass 315.03 indent level is 1 Solenoid or electromagnetically operated valve
[List of Pre Grant Publications for class 137 subclass 315.04][List of Patents for class 137 subclass 315.04]315.04 Subclass 315.04 indent level is 1 Pressure regulating type valve
 [List of Pre Grant Publications for class 137 subclass 315.05][List of Patents for class 137 subclass 315.05]315.05 Subclass 315.05 indent level is 2 Diaphragm type
 [List of Pre Grant Publications for class 137 subclass 315.06][List of Patents for class 137 subclass 315.06]315.06 Subclass 315.06 indent level is 1 Gas or water meter replacing
 [List of Pre Grant Publications for class 137 subclass 315.07][List of Patents for class 137 subclass 315.07]315.07 Subclass 315.07 indent level is 1 Assembling or disassembling flexible tube or sleeve type valve
 [List of Pre Grant Publications for class 137 subclass 315.08][List of Patents for class 137 subclass 315.08]315.08 Subclass 315.08 indent level is 1 Assembling or disassembling float or float valve
 [List of Pre Grant Publications for class 137 subclass 315.09][List of Patents for class 137 subclass 315.09]315.09 Subclass 315.09 indent level is 1 Assembling or disassembling multi way valve
[List of Pre Grant Publications for class 137 subclass 315.11][List of Patents for class 137 subclass 315.11]315.11 Subclass 315.11 indent level is 1 Assembling, disassembling, or removing cartridge type valve (e.g., insertable and removable as a unit, etc.)
[List of Pre Grant Publications for class 137 subclass 315.12][List of Patents for class 137 subclass 315.12]315.12 Subclass 315.12 indent level is 2 Faucet type (e.g., domestic water use, etc.)
 [List of Pre Grant Publications for class 137 subclass 315.16][List of Patents for class 137 subclass 315.16]315.16 Subclass 315.16 indent level is 1 Assembling or disassembling pivoted valve
[List of Pre Grant Publications for class 137 subclass 315.17][List of Patents for class 137 subclass 315.17]315.17 Subclass 315.17 indent level is 1 Assembling or disassembling rotary valve
[List of Pre Grant Publications for class 137 subclass 315.18][List of Patents for class 137 subclass 315.18]315.18 Subclass 315.18 indent level is 2 Rotary ball valve
[List of Pre Grant Publications for class 137 subclass 315.22][List of Patents for class 137 subclass 315.22]315.22 Subclass 315.22 indent level is 2 Butterfly valve
[List of Pre Grant Publications for class 137 subclass 315.25][List of Patents for class 137 subclass 315.25]315.25 Subclass 315.25 indent level is 2 Plug valve
[List of Pre Grant Publications for class 137 subclass 315.27][List of Patents for class 137 subclass 315.27]315.27 Subclass 315.27 indent level is 1 Assembling or disassembling reciprocating valve
 [List of Pre Grant Publications for class 137 subclass 315.28][List of Patents for class 137 subclass 315.28]315.28 Subclass 315.28 indent level is 2 Having particularly packed or sealed mechanical movement actuator
[List of Pre Grant Publications for class 137 subclass 315.29][List of Patents for class 137 subclass 315.29]315.29 Subclass 315.29 indent level is 2 Gate valve
 [List of Pre Grant Publications for class 137 subclass 315.33][List of Patents for class 137 subclass 315.33]315.33 Subclass 315.33 indent level is 1 Assembling or disassembling check valve
[List of Pre Grant Publications for class 137 subclass 315.35][List of Patents for class 137 subclass 315.35]315.35 Subclass 315.35 indent level is 1 With mechanical movement between actuator and valve
 [List of Pre Grant Publications for class 137 subclass 315.36][List of Patents for class 137 subclass 315.36]315.36 Subclass 315.36 indent level is 2 Plural motions of valve
 [List of Pre Grant Publications for class 137 subclass 315.37][List of Patents for class 137 subclass 315.37]315.37 Subclass 315.37 indent level is 2 Lever type
 [List of Pre Grant Publications for class 137 subclass 315.38][List of Patents for class 137 subclass 315.38]315.38 Subclass 315.38 indent level is 2 Gear type
 [List of Pre Grant Publications for class 137 subclass 315.39][List of Patents for class 137 subclass 315.39]315.39 Subclass 315.39 indent level is 2 Cam type
 [List of Pre Grant Publications for class 137 subclass 315.4][List of Patents for class 137 subclass 315.4]315.4 Subclass 315.4 indent level is 2 Screw type
[List of Pre Grant Publications for class 137 subclass 315.41][List of Patents for class 137 subclass 315.41]315.41 Subclass 315.41 indent level is 1 Tool for applying or removing valve or valve member
 [List of Pre Grant Publications for class 137 subclass 315.42][List of Patents for class 137 subclass 315.42]315.42 Subclass 315.42 indent level is 2 Including sealing feature
 [List of Pre Grant Publications for class 137 subclass 316][List of Patents for class 137 subclass 316]316 Subclass 316 indent level is 1 With holding means functioning only during transportation assembly or disassembly
[List of Pre Grant Publications for class 137 subclass 317][List of Patents for class 137 subclass 317]317 Subclass 317 indent level is 1 Tapping a pipe, keg, or apertured tank under pressure
 [List of Pre Grant Publications for class 137 subclass 318][List of Patents for class 137 subclass 318]318 Subclass 318 indent level is 2 With aperture forming means
 [List of Pre Grant Publications for class 137 subclass 319][List of Patents for class 137 subclass 319]319 Subclass 319 indent level is 2 Imperforate closure removing and holding tap
[List of Pre Grant Publications for class 137 subclass 320][List of Patents for class 137 subclass 320]320 Subclass 320 indent level is 2 With valved closure or bung
[List of Pre Grant Publications for class 137 subclass 324][List of Patents for class 137 subclass 324]324 Subclass 324 indent level is 2 With core ejectors
 [List of Pre Grant Publications for class 137 subclass 326][List of Patents for class 137 subclass 326]326 Subclass 326 indent level is 1 Foot valve extraction from top of enclosure
[List of Pre Grant Publications for class 137 subclass 327][List of Patents for class 137 subclass 327]327 Subclass 327 indent level is 1 With disassembly tool engaging feature
 [List of Pre Grant Publications for class 137 subclass 328][List of Patents for class 137 subclass 328]328 Subclass 328 indent level is 2 Wrench engaging lugs
[List of Pre Grant Publications for class 137 subclass 329][List of Patents for class 137 subclass 329]329 Subclass 329 indent level is 1 With provision of alternate wear parts
[List of Pre Grant Publications for class 137 subclass 329.01][List of Patents for class 137 subclass 329.01]329.01 Subclass 329.01 indent level is 2 Valve heads and/or seats
[List of Pre Grant Publications for class 137 subclass 329.1][List of Patents for class 137 subclass 329.1]329.1 Subclass 329.1 indent level is 1 Removable valve with normally disabled supplemental check valve
[List of Pre Grant Publications for class 137 subclass 329.2][List of Patents for class 137 subclass 329.2]329.2 Subclass 329.2 indent level is 2 Check valve disabled by normally movable main valve part
[List of Pre Grant Publications for class 137 subclass 330][List of Patents for class 137 subclass 330]330 NON-VALVING MOTION OF THE VALVE OR VALVE SEAT
[List of Pre Grant Publications for class 137 subclass 331][List of Patents for class 137 subclass 331]331 Subclass 331 indent level is 1 Rotary motion of a reciprocating valve
 [List of Pre Grant Publications for class 137 subclass 332][List of Patents for class 137 subclass 332]332 Subclass 332 indent level is 2 Turbine on valve
 [List of Pre Grant Publications for class 137 subclass 333][List of Patents for class 137 subclass 333]333 Subclass 333 indent level is 2 Manual rotating means
[List of Pre Grant Publications for class 137 subclass 334][List of Patents for class 137 subclass 334]334 WITH HEATING OR COOLING OF THE SYSTEM
[List of Pre Grant Publications for class 137 subclass 335][List of Patents for class 137 subclass 335]335 Subclass 335 indent level is 1 With burner
 [List of Pre Grant Publications for class 137 subclass 336][List of Patents for class 137 subclass 336]336 Subclass 336 indent level is 2 Flue extending through fluid
 [List of Pre Grant Publications for class 137 subclass 337][List of Patents for class 137 subclass 337]337 Subclass 337 indent level is 1 Hot and cold water system having a connection from the hot to the cold channel
 [List of Pre Grant Publications for class 137 subclass 338][List of Patents for class 137 subclass 338]338 Subclass 338 indent level is 1 Air heated or cooled (fan, fins, or channels)
 [List of Pre Grant Publications for class 137 subclass 339][List of Patents for class 137 subclass 339]339 Subclass 339 indent level is 1 With diversion of part of fluid to heat or cool the device or its contents
 [List of Pre Grant Publications for class 137 subclass 340][List of Patents for class 137 subclass 340]340 Subclass 340 indent level is 1 Circulating fluid in heat exchange relationship
 [List of Pre Grant Publications for class 137 subclass 341][List of Patents for class 137 subclass 341]341 Subclass 341 indent level is 1 With electric heating element
 [List of Pre Grant Publications for class 137 subclass 342][List of Patents for class 137 subclass 342]342 WITH FLUID SYSTEM SUPPORT FOR WORKMAN OR NON-SYSTEM MATERIAL
[List of Pre Grant Publications for class 137 subclass 343][List of Patents for class 137 subclass 343]343 WITH CASING, SUPPORT, PROTECTOR OR STATIC CONSTRUCTIONAL INSTALLATIONS
[List of Pre Grant Publications for class 137 subclass 899][List of Patents for class 137 subclass 899]899 Subclass 899 indent level is 1 Vehicle
[List of Pre Grant Publications for class 137 subclass 345][List of Patents for class 137 subclass 345]345 Subclass 345 indent level is 2 Locomotive
[List of Pre Grant Publications for class 137 subclass 347][List of Patents for class 137 subclass 347]347 Subclass 347 indent level is 2 Railway car
[List of Pre Grant Publications for class 137 subclass 351][List of Patents for class 137 subclass 351]351 Subclass 351 indent level is 2 Automotive
 [List of Pre Grant Publications for class 137 subclass 355.12][List of Patents for class 137 subclass 355.12]355.12 Subclass 355.12 indent level is 2 With hose reel storage means
 [List of Pre Grant Publications for class 137 subclass 899.1][List of Patents for class 137 subclass 899.1]899.1 Subclass 899.1 indent level is 2 Guided by means of track or guideway
 [List of Pre Grant Publications for class 137 subclass 899.2][List of Patents for class 137 subclass 899.2]899.2 Subclass 899.2 indent level is 2 Aerial or water-supported (e.g., airplane or ship, etc.)
 [List of Pre Grant Publications for class 137 subclass 899.3][List of Patents for class 137 subclass 899.3]899.3 Subclass 899.3 indent level is 2 With retractable or nonuse-positionable support wheel
 [List of Pre Grant Publications for class 137 subclass 899.4][List of Patents for class 137 subclass 899.4]899.4 Subclass 899.4 indent level is 2 Vehicle supports fluid compressor and compressed fluid storage tank
[List of Pre Grant Publications for class 137 subclass 355.16][List of Patents for class 137 subclass 355.16]355.16 Subclass 355.16 indent level is 1 With hose storage or retrieval means
 [List of Pre Grant Publications for class 137 subclass 355.17][List of Patents for class 137 subclass 355.17]355.17 Subclass 355.17 indent level is 2 With means for plural hoses
[List of Pre Grant Publications for class 137 subclass 355.18][List of Patents for class 137 subclass 355.18]355.18 Subclass 355.18 indent level is 2 With flow regulation responsive to hose movement
[List of Pre Grant Publications for class 137 subclass 355.2][List of Patents for class 137 subclass 355.2]355.2 Subclass 355.2 indent level is 2 With retrieval means
[List of Pre Grant Publications for class 137 subclass 355.26][List of Patents for class 137 subclass 355.26]355.26 Subclass 355.26 indent level is 2 Reel with support therefor
 [List of Pre Grant Publications for class 137 subclass 355.28][List of Patents for class 137 subclass 355.28]355.28 Subclass 355.28 indent level is 2 Basket or holder for folded coiled hose
[List of Pre Grant Publications for class 137 subclass 356][List of Patents for class 137 subclass 356]356 Subclass 356 indent level is 1 Static constructional installations
[List of Pre Grant Publications for class 137 subclass 357][List of Patents for class 137 subclass 357]357 Subclass 357 indent level is 2 Buildings
[List of Pre Grant Publications for class 137 subclass 363][List of Patents for class 137 subclass 363]363 Subclass 363 indent level is 2 Ground supporting enclosure
 [List of Pre Grant Publications for class 137 subclass 373][List of Patents for class 137 subclass 373]373 Subclass 373 indent level is 2 Tapering or tower type
 [List of Pre Grant Publications for class 137 subclass 374][List of Patents for class 137 subclass 374]374 Subclass 374 indent level is 1 Furniture and housing furnishings
 [List of Pre Grant Publications for class 137 subclass 375][List of Patents for class 137 subclass 375]375 Subclass 375 indent level is 1 Jacketed
 [List of Pre Grant Publications for class 137 subclass 376][List of Patents for class 137 subclass 376]376 Subclass 376 indent level is 1 Tank supports
[List of Pre Grant Publications for class 137 subclass 377][List of Patents for class 137 subclass 377]377 Subclass 377 indent level is 1 Guards and shields
 [List of Pre Grant Publications for class 137 subclass 378][List of Patents for class 137 subclass 378]378 Subclass 378 indent level is 2 Resilient abutment for preventing breakage
 [List of Pre Grant Publications for class 137 subclass 379][List of Patents for class 137 subclass 379]379 Subclass 379 indent level is 2 Nozzle abutment for scratch or damage prevention
 [List of Pre Grant Publications for class 137 subclass 380][List of Patents for class 137 subclass 380]380 Subclass 380 indent level is 2 Cover for beer cooler aperture for faucet
 [List of Pre Grant Publications for class 137 subclass 381][List of Patents for class 137 subclass 381]381 Subclass 381 indent level is 2 Sanitary covers or shields
[List of Pre Grant Publications for class 137 subclass 382][List of Patents for class 137 subclass 382]382 Subclass 382 indent level is 2 Valve guards
[List of Pre Grant Publications for class 137 subclass 383][List of Patents for class 137 subclass 383]383 WITH LOCK OR SEAL
 [List of Pre Grant Publications for class 137 subclass 384][List of Patents for class 137 subclass 384]384 Subclass 384 indent level is 1 With seal
[List of Pre Grant Publications for class 137 subclass 384.2][List of Patents for class 137 subclass 384.2]384.2 Subclass 384.2 indent level is 1 Common lock and valve actuator
 [List of Pre Grant Publications for class 137 subclass 384.4][List of Patents for class 137 subclass 384.4]384.4 Subclass 384.4 indent level is 2 Combination lock
 [List of Pre Grant Publications for class 137 subclass 384.6][List of Patents for class 137 subclass 384.6]384.6 Subclass 384.6 indent level is 2 Biased valve
 [List of Pre Grant Publications for class 137 subclass 384.8][List of Patents for class 137 subclass 384.8]384.8 Subclass 384.8 indent level is 2 Mechanical movement between lock and valve
 [List of Pre Grant Publications for class 137 subclass 385][List of Patents for class 137 subclass 385]385 Subclass 385 indent level is 1 Locks against rotary motion
[List of Pre Grant Publications for class 137 subclass 386][List of Patents for class 137 subclass 386]386 LIQUID LEVEL RESPONSIVE OR MAINTAINING SYSTEMS
 [List of Pre Grant Publications for class 137 subclass 387][List of Patents for class 137 subclass 387]387 Subclass 387 indent level is 1 Washing machine cycle control
 [List of Pre Grant Publications for class 137 subclass 388][List of Patents for class 137 subclass 388]388 Subclass 388 indent level is 1 Liquid excluding devices for gas inlet or outlets
[List of Pre Grant Publications for class 137 subclass 389][List of Patents for class 137 subclass 389]389 Subclass 389 indent level is 1 With second diverse control
 [List of Pre Grant Publications for class 137 subclass 390][List of Patents for class 137 subclass 390]390 Subclass 390 indent level is 2 Manual control
 [List of Pre Grant Publications for class 137 subclass 391][List of Patents for class 137 subclass 391]391 Subclass 391 indent level is 1 Control of both inflow and outflow of tank
 [List of Pre Grant Publications for class 137 subclass 392][List of Patents for class 137 subclass 392]392 Subclass 392 indent level is 1 Electrical characteristic sensing
 [List of Pre Grant Publications for class 137 subclass 393][List of Patents for class 137 subclass 393]393 Subclass 393 indent level is 1 With control fluid connection at desired liquid level
[List of Pre Grant Publications for class 137 subclass 395][List of Patents for class 137 subclass 395]395 Subclass 395 indent level is 1 Control of outflow from tank
[List of Pre Grant Publications for class 137 subclass 396][List of Patents for class 137 subclass 396]396 Subclass 396 indent level is 2 Self-emptying tanks
[List of Pre Grant Publications for class 137 subclass 398][List of Patents for class 137 subclass 398]398 Subclass 398 indent level is 2 By float
[List of Pre Grant Publications for class 137 subclass 400][List of Patents for class 137 subclass 400]400 Subclass 400 indent level is 1 With supplemental or safety closing means or bias
 [List of Pre Grant Publications for class 137 subclass 401][List of Patents for class 137 subclass 401]401 Subclass 401 indent level is 2 Sinking or bucket type float
 [List of Pre Grant Publications for class 137 subclass 402][List of Patents for class 137 subclass 402]402 Subclass 402 indent level is 2 Gravitating tank
[List of Pre Grant Publications for class 137 subclass 403][List of Patents for class 137 subclass 403]403 Subclass 403 indent level is 1 By weight of accumulated fluid
 [List of Pre Grant Publications for class 137 subclass 404][List of Patents for class 137 subclass 404]404 Subclass 404 indent level is 2 In sinking or bucket type float
 [List of Pre Grant Publications for class 137 subclass 405][List of Patents for class 137 subclass 405]405 Subclass 405 indent level is 2 Oil burner fuel overflow preventing safety cut-offs
[List of Pre Grant Publications for class 137 subclass 406][List of Patents for class 137 subclass 406]406 Subclass 406 indent level is 2 In communicating measuring vessel
 [List of Pre Grant Publications for class 137 subclass 408][List of Patents for class 137 subclass 408]408 Subclass 408 indent level is 2 In gravitating tank
[List of Pre Grant Publications for class 137 subclass 409][List of Patents for class 137 subclass 409]409 Subclass 409 indent level is 1 By float controlled valve
 [List of Pre Grant Publications for class 137 subclass 410][List of Patents for class 137 subclass 410]410 Subclass 410 indent level is 2 Valve opened by external means, closing or closing control by float
 [List of Pre Grant Publications for class 137 subclass 411][List of Patents for class 137 subclass 411]411 Subclass 411 indent level is 2 Single float controls plural valves
[List of Pre Grant Publications for class 137 subclass 412][List of Patents for class 137 subclass 412]412 Subclass 412 indent level is 2 Servo relay operation of control
[List of Pre Grant Publications for class 137 subclass 416][List of Patents for class 137 subclass 416]416 Subclass 416 indent level is 2 Quick acting
 [List of Pre Grant Publications for class 137 subclass 423][List of Patents for class 137 subclass 423]423 Subclass 423 indent level is 2 Plural floats
[List of Pre Grant Publications for class 137 subclass 424][List of Patents for class 137 subclass 424]424 Subclass 424 indent level is 2 With counter-balance
 [List of Pre Grant Publications for class 137 subclass 426][List of Patents for class 137 subclass 426]426 Subclass 426 indent level is 2 Level adjustment or selection means
 [List of Pre Grant Publications for class 137 subclass 427][List of Patents for class 137 subclass 427]427 Subclass 427 indent level is 2 With float leakage disposal
 [List of Pre Grant Publications for class 137 subclass 428][List of Patents for class 137 subclass 428]428 Subclass 428 indent level is 2 In separate communicating float chamber
[List of Pre Grant Publications for class 137 subclass 429][List of Patents for class 137 subclass 429]429 Subclass 429 indent level is 2 Rectilinearly traveling float
[List of Pre Grant Publications for class 137 subclass 434][List of Patents for class 137 subclass 434]434 Subclass 434 indent level is 2 Float arm operated valve
[List of Pre Grant Publications for class 137 subclass 453][List of Patents for class 137 subclass 453]453 Subclass 453 indent level is 1 Barometric
 [List of Pre Grant Publications for class 137 subclass 454][List of Patents for class 137 subclass 454]454 Subclass 454 indent level is 2 With shut-off between supply tank and receiver
[List of Pre Grant Publications for class 137 subclass 454.2][List of Patents for class 137 subclass 454.2]454.2 REMOVABLE VALVE HEAD AND SEAT UNIT
 [List of Pre Grant Publications for class 137 subclass 454.4][List of Patents for class 137 subclass 454.4]454.4 Subclass 454.4 indent level is 1 Pump type
 [List of Pre Grant Publications for class 137 subclass 454.5][List of Patents for class 137 subclass 454.5]454.5 Subclass 454.5 indent level is 1 Threaded into valve casing
 [List of Pre Grant Publications for class 137 subclass 454.6][List of Patents for class 137 subclass 454.6]454.6 Subclass 454.6 indent level is 1 Retained by bonnet or closure
[List of Pre Grant Publications for class 137 subclass 455][List of Patents for class 137 subclass 455]455 LINE CONDITION CHANGE RESPONSIVE VALVES
[List of Pre Grant Publications for class 137 subclass 456][List of Patents for class 137 subclass 456]456 Subclass 456 indent level is 1 Safety cut-off requiring reset
 [List of Pre Grant Publications for class 137 subclass 457][List of Patents for class 137 subclass 457]457 Subclass 457 indent level is 2 Thermal
 [List of Pre Grant Publications for class 137 subclass 458][List of Patents for class 137 subclass 458]458 Subclass 458 indent level is 2 Responsive to both high and low pressure or velocity
[List of Pre Grant Publications for class 137 subclass 459][List of Patents for class 137 subclass 459]459 Subclass 459 indent level is 2 Responsive to change in rate of flow
 [List of Pre Grant Publications for class 137 subclass 461][List of Patents for class 137 subclass 461]461 Subclass 461 indent level is 2 High pressure cut-off
 [List of Pre Grant Publications for class 137 subclass 462][List of Patents for class 137 subclass 462]462 Subclass 462 indent level is 2 Reset by pressure equalization valve or by-pass
 [List of Pre Grant Publications for class 137 subclass 463][List of Patents for class 137 subclass 463]463 Subclass 463 indent level is 2 Fluid released trip
[List of Pre Grant Publications for class 137 subclass 464][List of Patents for class 137 subclass 464]464 Subclass 464 indent level is 2 Fluid counter-biased or unseated valve
 [List of Pre Grant Publications for class 137 subclass 467][List of Patents for class 137 subclass 467]467 Subclass 467 indent level is 1 Fluid opened valve requiring reset
 [List of Pre Grant Publications for class 137 subclass 467.5][List of Patents for class 137 subclass 467.5]467.5 Subclass 467.5 indent level is 1 Consistency responsive
 [List of Pre Grant Publications for class 137 subclass 468][List of Patents for class 137 subclass 468]468 Subclass 468 indent level is 1 Thermal responsive
[List of Pre Grant Publications for class 137 subclass 469][List of Patents for class 137 subclass 469]469 Subclass 469 indent level is 1 Pop valves
 [List of Pre Grant Publications for class 137 subclass 470][List of Patents for class 137 subclass 470]470 Subclass 470 indent level is 2 Pop closing valves
 [List of Pre Grant Publications for class 137 subclass 471][List of Patents for class 137 subclass 471]471 Subclass 471 indent level is 2 Pop pressure reactor in inflow to valve
[List of Pre Grant Publications for class 137 subclass 472][List of Patents for class 137 subclass 472]472 Subclass 472 indent level is 2 Pop pressure reactor in branched released path
 [List of Pre Grant Publications for class 137 subclass 474][List of Patents for class 137 subclass 474]474 Subclass 474 indent level is 2 Lost motion between pop pressure reactor and valve
[List of Pre Grant Publications for class 137 subclass 475][List of Patents for class 137 subclass 475]475 Subclass 475 indent level is 2 Adjustable choke
[List of Pre Grant Publications for class 137 subclass 479][List of Patents for class 137 subclass 479]479 Subclass 479 indent level is 1 Combustion engine induction type
 [List of Pre Grant Publications for class 137 subclass 480][List of Patents for class 137 subclass 480]480 Subclass 480 indent level is 2 Valve in auxiliary inlet to induction line
 [List of Pre Grant Publications for class 137 subclass 481][List of Patents for class 137 subclass 481]481 Subclass 481 indent level is 2 With manual modifier
 [List of Pre Grant Publications for class 137 subclass 482][List of Patents for class 137 subclass 482]482 Subclass 482 indent level is 2 With suction compensator
 [List of Pre Grant Publications for class 137 subclass 483][List of Patents for class 137 subclass 483]483 Subclass 483 indent level is 2 With separate reactor surface
 [List of Pre Grant Publications for class 137 subclass 484][List of Patents for class 137 subclass 484]484 Subclass 484 indent level is 2 Unbalanced pivoted valve (e.g., unbalanced butterfly type)
[List of Pre Grant Publications for class 137 subclass 484.2][List of Patents for class 137 subclass 484.2]484.2 Subclass 484.2 indent level is 1 Line flow effect assisted
 [List of Pre Grant Publications for class 137 subclass 484.4][List of Patents for class 137 subclass 484.4]484.4 Subclass 484.4 indent level is 2 Reactor surface normal to flow
[List of Pre Grant Publications for class 137 subclass 484.6][List of Patents for class 137 subclass 484.6]484.6 Subclass 484.6 indent level is 2 Reactor surface separated from flow by apertured partition
[List of Pre Grant Publications for class 137 subclass 485][List of Patents for class 137 subclass 485]485 Subclass 485 indent level is 1 Pilot or servo controlled
[List of Pre Grant Publications for class 137 subclass 486][List of Patents for class 137 subclass 486]486 Subclass 486 indent level is 2 Responsive to change in rate of fluid flow
 [List of Pre Grant Publications for class 137 subclass 487.5][List of Patents for class 137 subclass 487.5]487.5 Subclass 487.5 indent level is 2 Electrically actuated valve
[List of Pre Grant Publications for class 137 subclass 488][List of Patents for class 137 subclass 488]488 Subclass 488 indent level is 2 Fluid pressure type
[List of Pre Grant Publications for class 137 subclass 493][List of Patents for class 137 subclass 493]493 Subclass 493 indent level is 1 Bi-directional flow valves
[List of Pre Grant Publications for class 137 subclass 493.1][List of Patents for class 137 subclass 493.1]493.1 Subclass 493.1 indent level is 2 One head and seat carried by head of another
 [List of Pre Grant Publications for class 137 subclass 493.7][List of Patents for class 137 subclass 493.7]493.7 Subclass 493.7 indent level is 2 Axes of ports perpendicular
 [List of Pre Grant Publications for class 137 subclass 493.8][List of Patents for class 137 subclass 493.8]493.8 Subclass 493.8 indent level is 2 Axes of ports parallel
 [List of Pre Grant Publications for class 137 subclass 493.9][List of Patents for class 137 subclass 493.9]493.9 Subclass 493.9 indent level is 2 Axes of ports co-axial
[List of Pre Grant Publications for class 137 subclass 494][List of Patents for class 137 subclass 494]494 Subclass 494 indent level is 1 With separate connected fluid reactor surface
 [List of Pre Grant Publications for class 137 subclass 495][List of Patents for class 137 subclass 495]495 Subclass 495 indent level is 2 With manual or external control for line valve
 [List of Pre Grant Publications for class 137 subclass 496][List of Patents for class 137 subclass 496]496 Subclass 496 indent level is 2 Valve closes in responses to reverse flow
[List of Pre Grant Publications for class 137 subclass 497][List of Patents for class 137 subclass 497]497 Subclass 497 indent level is 2 Responsive to change in rate of fluid flow
[List of Pre Grant Publications for class 137 subclass 505][List of Patents for class 137 subclass 505]505 Subclass 505 indent level is 2 With opening bias (e.g., pressure regulator)
 [List of Pre Grant Publications for class 137 subclass 506][List of Patents for class 137 subclass 506]506 Subclass 506 indent level is 2 Plural valves biased closed
 [List of Pre Grant Publications for class 137 subclass 507][List of Patents for class 137 subclass 507]507 Subclass 507 indent level is 2 With means for mounting or connecting to system
 [List of Pre Grant Publications for class 137 subclass 508][List of Patents for class 137 subclass 508]508 Subclass 508 indent level is 2 Valve seat or external sleeve moves to open valve
[List of Pre Grant Publications for class 137 subclass 509][List of Patents for class 137 subclass 509]509 Subclass 509 indent level is 2 Valve seating in direction of flow
[List of Pre Grant Publications for class 137 subclass 511][List of Patents for class 137 subclass 511]511 Subclass 511 indent level is 1 Direct response valves (i.e., check valve type)
[List of Pre Grant Publications for class 137 subclass 512][List of Patents for class 137 subclass 512]512 Subclass 512 indent level is 2 Plural
[List of Pre Grant Publications for class 137 subclass 513.3][List of Patents for class 137 subclass 513.3]513.3 Subclass 513.3 indent level is 2 With leak passage
[List of Pre Grant Publications for class 137 subclass 514][List of Patents for class 137 subclass 514]514 Subclass 514 indent level is 2 With retarder or dashpot
[List of Pre Grant Publications for class 137 subclass 515][List of Patents for class 137 subclass 515]515 Subclass 515 indent level is 2 In couplings for coaxial conduits, e.g., drill pipe check valves
 [List of Pre Grant Publications for class 137 subclass 516][List of Patents for class 137 subclass 516]516 Subclass 516 indent level is 2 With means for selecting area of valve or seat
[List of Pre Grant Publications for class 137 subclass 516.11][List of Patents for class 137 subclass 516.11]516.11 Subclass 516.11 indent level is 2 Single head, plural ports in parallel
[List of Pre Grant Publications for class 137 subclass 516.25][List of Patents for class 137 subclass 516.25]516.25 Subclass 516.25 indent level is 2 Plural seating
[List of Pre Grant Publications for class 137 subclass 517][List of Patents for class 137 subclass 517]517 Subclass 517 indent level is 2 Biased open
[List of Pre Grant Publications for class 137 subclass 522][List of Patents for class 137 subclass 522]522 Subclass 522 indent level is 2 With external means for opposing bias
 [List of Pre Grant Publications for class 137 subclass 524][List of Patents for class 137 subclass 524]524 Subclass 524 indent level is 2 With bias adjustment indicator
[List of Pre Grant Publications for class 137 subclass 843][List of Patents for class 137 subclass 843]843 Subclass 843 indent level is 2 Resilient material valve
 [List of Pre Grant Publications for class 137 subclass 526][List of Patents for class 137 subclass 526]526 Subclass 526 indent level is 2 Vacuum relief type
[List of Pre Grant Publications for class 137 subclass 527][List of Patents for class 137 subclass 527]527 Subclass 527 indent level is 2 Pivoted valves
[List of Pre Grant Publications for class 137 subclass 528][List of Patents for class 137 subclass 528]528 Subclass 528 indent level is 2 Reciprocating valves
[List of Pre Grant Publications for class 137 subclass 544][List of Patents for class 137 subclass 544]544 WITH MEANS FOR SEPARATING SOLID MATERIAL FROM THE FLUID
 [List of Pre Grant Publications for class 137 subclass 545][List of Patents for class 137 subclass 545]545 Subclass 545 indent level is 1 Plural separating elements
 [List of Pre Grant Publications for class 137 subclass 546][List of Patents for class 137 subclass 546]546 Subclass 546 indent level is 1 Sediment chamber
 [List of Pre Grant Publications for class 137 subclass 547][List of Patents for class 137 subclass 547]547 Subclass 547 indent level is 1 Movable strainer
 [List of Pre Grant Publications for class 137 subclass 549][List of Patents for class 137 subclass 549]549 Subclass 549 indent level is 1 Hollow strainer, fluid inlet and outlet perpendicular to each other
 [List of Pre Grant Publications for class 137 subclass 550][List of Patents for class 137 subclass 550]550 Subclass 550 indent level is 1 Planar strainer normal to flow path
[List of Pre Grant Publications for class 137 subclass 551][List of Patents for class 137 subclass 551]551 WITH INDICATOR, REGISTER, RECORDER, ALARM OR INSPECTION MEANS
[List of Pre Grant Publications for class 137 subclass 552][List of Patents for class 137 subclass 552]552 Subclass 552 indent level is 1 Plural
 [List of Pre Grant Publications for class 137 subclass 552.5][List of Patents for class 137 subclass 552.5]552.5 Subclass 552.5 indent level is 2 Unobvious - "combination lock" type
 [List of Pre Grant Publications for class 137 subclass 552.7][List of Patents for class 137 subclass 552.7]552.7 Subclass 552.7 indent level is 1 Time
[List of Pre Grant Publications for class 137 subclass 553][List of Patents for class 137 subclass 553]553 Subclass 553 indent level is 1 Position or extent of motion indicator
 [List of Pre Grant Publications for class 137 subclass 554][List of Patents for class 137 subclass 554]554 Subclass 554 indent level is 2 Electrical
 [List of Pre Grant Publications for class 137 subclass 555][List of Patents for class 137 subclass 555]555 Subclass 555 indent level is 2 Selection from plural branches
[List of Pre Grant Publications for class 137 subclass 556][List of Patents for class 137 subclass 556]556 Subclass 556 indent level is 2 Indicator element rigidly carried by the movable element whose position is indicated
 [List of Pre Grant Publications for class 137 subclass 557][List of Patents for class 137 subclass 557]557 Subclass 557 indent level is 1 Fluid pressure responsive indicator, recorder or alarm
 [List of Pre Grant Publications for class 137 subclass 558][List of Patents for class 137 subclass 558]558 Subclass 558 indent level is 1 Liquid level responsive indicator, recorder or alarm
 [List of Pre Grant Publications for class 137 subclass 559][List of Patents for class 137 subclass 559]559 Subclass 559 indent level is 1 Inspection means
 [List of Pre Grant Publications for class 137 subclass 560][List of Patents for class 137 subclass 560]560 COMBINED
[List of Pre Grant Publications for class 137 subclass 561R][List of Patents for class 137 subclass 561R]  561R SYSTEMS
 [List of Pre Grant Publications for class 137 subclass 561A][List of Patents for class 137 subclass 561A]561A Subclass 561A indent level is 1 Non-valved flow dividers
 [List of Pre Grant Publications for class 137 subclass 562][List of Patents for class 137 subclass 562]562 Subclass 562 indent level is 1 Faucet connected, sink drained
[List of Pre Grant Publications for class 137 subclass 563][List of Patents for class 137 subclass 563]563 Subclass 563 indent level is 1 Closed circulating system
 [List of Pre Grant Publications for class 137 subclass 564][List of Patents for class 137 subclass 564]564 Subclass 564 indent level is 2 With thermal circulating means (thermo-siphons)
 [List of Pre Grant Publications for class 137 subclass 564.5][List of Patents for class 137 subclass 564.5]564.5 Subclass 564.5 indent level is 1 Main line as motive fluid for follower-type feeder
[List of Pre Grant Publications for class 137 subclass 565.01][List of Patents for class 137 subclass 565.01]565.01 Subclass 565.01 indent level is 1 With pump
[List of Pre Grant Publications for class 137 subclass 565.11][List of Patents for class 137 subclass 565.11]565.11 Subclass 565.11 indent level is 2 Pumped fluid control
[List of Pre Grant Publications for class 137 subclass 565.17][List of Patents for class 137 subclass 565.17]565.17 Subclass 565.17 indent level is 2 Combined with fluid receiver
 [List of Pre Grant Publications for class 137 subclass 565.22][List of Patents for class 137 subclass 565.22]565.22 Subclass 565.22 indent level is 2 And jet-aspiration type pump
 [List of Pre Grant Publications for class 137 subclass 565.23][List of Patents for class 137 subclass 565.23]565.23 Subclass 565.23 indent level is 2 Vacuum pump
 [List of Pre Grant Publications for class 137 subclass 565.24][List of Patents for class 137 subclass 565.24]565.24 Subclass 565.24 indent level is 2 Resiliently mounted pump
 [List of Pre Grant Publications for class 137 subclass 565.25][List of Patents for class 137 subclass 565.25]565.25 Subclass 565.25 indent level is 2 Hand pump
 [List of Pre Grant Publications for class 137 subclass 565.26][List of Patents for class 137 subclass 565.26]565.26 Subclass 565.26 indent level is 2 Multiple inlet with multiple outlet
[List of Pre Grant Publications for class 137 subclass 565.27][List of Patents for class 137 subclass 565.27]565.27 Subclass 565.27 indent level is 2 Downstream cyclic distributor
[List of Pre Grant Publications for class 137 subclass 565.29][List of Patents for class 137 subclass 565.29]565.29 Subclass 565.29 indent level is 2 Plural
 [List of Pre Grant Publications for class 137 subclass 565.35][List of Patents for class 137 subclass 565.35]565.35 Subclass 565.35 indent level is 2 With pump bypass
 [List of Pre Grant Publications for class 137 subclass 565.36][List of Patents for class 137 subclass 565.36]565.36 Subclass 565.36 indent level is 2 Drain valve actuator mounted on pump
[List of Pre Grant Publications for class 137 subclass 571][List of Patents for class 137 subclass 571]571 Subclass 571 indent level is 1 Plural tanks or compartments connected for serial flow
 [List of Pre Grant Publications for class 137 subclass 572][List of Patents for class 137 subclass 572]572 Subclass 572 indent level is 2 Separable with valved-connecting passage
 [List of Pre Grant Publications for class 137 subclass 573][List of Patents for class 137 subclass 573]573 Subclass 573 indent level is 2 Fluid progresses by zigzag flow
 [List of Pre Grant Publications for class 137 subclass 574][List of Patents for class 137 subclass 574]574 Subclass 574 indent level is 2 Plural compartments formed by baffles
 [List of Pre Grant Publications for class 137 subclass 575][List of Patents for class 137 subclass 575]575 Subclass 575 indent level is 2 Plural top-to-bottom connected tanks
 [List of Pre Grant Publications for class 137 subclass 576][List of Patents for class 137 subclass 576]576 Subclass 576 indent level is 2 With communicating opening in common walls of tanks or compartments
[List of Pre Grant Publications for class 137 subclass 577][List of Patents for class 137 subclass 577]577 Subclass 577 indent level is 1 Tank with movable or adjustable outlet or overflow pipe
 [List of Pre Grant Publications for class 137 subclass 577.5][List of Patents for class 137 subclass 577.5]577.5 Subclass 577.5 indent level is 2 Horizontally traversing outlet
 [List of Pre Grant Publications for class 137 subclass 578][List of Patents for class 137 subclass 578]578 Subclass 578 indent level is 2 Float-supported outlet
 [List of Pre Grant Publications for class 137 subclass 579][List of Patents for class 137 subclass 579]579 Subclass 579 indent level is 2 Swinging outlet pipe or spout
 [List of Pre Grant Publications for class 137 subclass 580][List of Patents for class 137 subclass 580]580 Subclass 580 indent level is 1 With running joint between movable parts of system
 [List of Pre Grant Publications for class 137 subclass 581][List of Patents for class 137 subclass 581]581 Subclass 581 indent level is 1 Movable tank
 [List of Pre Grant Publications for class 137 subclass 582][List of Patents for class 137 subclass 582]582 Subclass 582 indent level is 1 With antisplash means not in flow passage
[List of Pre Grant Publications for class 137 subclass 583][List of Patents for class 137 subclass 583]583 Subclass 583 indent level is 1 System with plural openings, one a gas vent or access opening
[List of Pre Grant Publications for class 137 subclass 584][List of Patents for class 137 subclass 584]584 Subclass 584 indent level is 2 Access and outlet
[List of Pre Grant Publications for class 137 subclass 587][List of Patents for class 137 subclass 587]587 Subclass 587 indent level is 2 Tank with gas vent and inlet or outlet
 [List of Pre Grant Publications for class 137 subclass 589][List of Patents for class 137 subclass 589]589 Subclass 589 indent level is 2 With vented outlet
[List of Pre Grant Publications for class 137 subclass 590][List of Patents for class 137 subclass 590]590 Subclass 590 indent level is 1 Tank with internally extending flow guide, pipe or conduit
 [List of Pre Grant Publications for class 137 subclass 590.5][List of Patents for class 137 subclass 590.5]590.5 Subclass 590.5 indent level is 2 Nondraining overflow type
 [List of Pre Grant Publications for class 137 subclass 591][List of Patents for class 137 subclass 591]591 Subclass 591 indent level is 2 Inverted "U" passage
 [List of Pre Grant Publications for class 137 subclass 592][List of Patents for class 137 subclass 592]592 Subclass 592 indent level is 2 Inlet internally extending
 [List of Pre Grant Publications for class 137 subclass 593][List of Patents for class 137 subclass 593]593 Subclass 593 indent level is 1 Head-establishing standpipe or expansion chamber (e.g., surge tanks)
[List of Pre Grant Publications for class 137 subclass 624.11][List of Patents for class 137 subclass 624.11]624.11 Subclass 624.11 indent level is 1 Programmer or timer
 [List of Pre Grant Publications for class 137 subclass 624.12][List of Patents for class 137 subclass 624.12]624.12 Subclass 624.12 indent level is 2 With independent valve controller
[List of Pre Grant Publications for class 137 subclass 624.13][List of Patents for class 137 subclass 624.13]624.13 Subclass 624.13 indent level is 2 Repeating cycle
[List of Pre Grant Publications for class 137 subclass 624.18][List of Patents for class 137 subclass 624.18]624.18 Subclass 624.18 indent level is 2 Plural, sequential, valve actuations
 [List of Pre Grant Publications for class 137 subclass 624.21][List of Patents for class 137 subclass 624.21]624.21 Subclass 624.21 indent level is 2 Clock alarm mechanism controlled
 [List of Pre Grant Publications for class 137 subclass 624.22][List of Patents for class 137 subclass 624.22]624.22 Subclass 624.22 indent level is 2 Biased latch, cam operated
 [List of Pre Grant Publications for class 137 subclass 624.27][List of Patents for class 137 subclass 624.27]624.27 Subclass 624.27 indent level is 1 Line condition change responsive release of valve
[List of Pre Grant Publications for class 137 subclass 625][List of Patents for class 137 subclass 625]625 Subclass 625 indent level is 1 Multi-way valve unit
 [List of Pre Grant Publications for class 137 subclass 625.11][List of Patents for class 137 subclass 625.11]625.11 Subclass 625.11 indent level is 2 Sequential distributor or collector type
[List of Pre Grant Publications for class 137 subclass 625.12][List of Patents for class 137 subclass 625.12]625.12 Subclass 625.12 indent level is 2 Sequentially progressive opening or closing of plural ports
 [List of Pre Grant Publications for class 137 subclass 625.17][List of Patents for class 137 subclass 625.17]625.17 Subclass 625.17 indent level is 2 Selective reciprocation or rotation
[List of Pre Grant Publications for class 137 subclass 625.18][List of Patents for class 137 subclass 625.18]625.18 Subclass 625.18 indent level is 2 Plural noncommunicating flow paths
[List of Pre Grant Publications for class 137 subclass 625.2][List of Patents for class 137 subclass 625.2]625.2 Subclass 625.2 indent level is 2 Supply and exhaust
[List of Pre Grant Publications for class 137 subclass 625.28][List of Patents for class 137 subclass 625.28]625.28 Subclass 625.28 indent level is 2 Dividing into parallel flow paths with recombining
[List of Pre Grant Publications for class 137 subclass 625.4][List of Patents for class 137 subclass 625.4]625.4 Subclass 625.4 indent level is 2 Multiple inlet with single outlet
 [List of Pre Grant Publications for class 137 subclass 625.42][List of Patents for class 137 subclass 625.42]625.42 Subclass 625.42 indent level is 2 Selective opening of plural ports
 [List of Pre Grant Publications for class 137 subclass 625.43][List of Patents for class 137 subclass 625.43]625.43 Subclass 625.43 indent level is 2 Four port reversing valves
[List of Pre Grant Publications for class 137 subclass 625.44][List of Patents for class 137 subclass 625.44]625.44 Subclass 625.44 indent level is 2 Pivoted valve unit
[List of Pre Grant Publications for class 137 subclass 625.46][List of Patents for class 137 subclass 625.46]625.46 Subclass 625.46 indent level is 2 Rotary valve unit
[List of Pre Grant Publications for class 137 subclass 625.48][List of Patents for class 137 subclass 625.48]625.48 Subclass 625.48 indent level is 2 Reciprocating valve unit
 [List of Pre Grant Publications for class 137 subclass 626][List of Patents for class 137 subclass 626]626 Subclass 626 indent level is 1 Plural petcocks
 [List of Pre Grant Publications for class 137 subclass 627][List of Patents for class 137 subclass 627]627 Subclass 627 indent level is 1 Sequential distributor or collector type
 [List of Pre Grant Publications for class 137 subclass 627.5][List of Patents for class 137 subclass 627.5]627.5 Subclass 627.5 indent level is 1 Sequentially closing and opening alternately seating flow controllers
[List of Pre Grant Publications for class 137 subclass 628][List of Patents for class 137 subclass 628]628 Subclass 628 indent level is 1 Sequentially progressive opening or closing of plural valves
[List of Pre Grant Publications for class 137 subclass 629][List of Patents for class 137 subclass 629]629 Subclass 629 indent level is 2 Pressure equalizing or auxiliary shunt flow
[List of Pre Grant Publications for class 137 subclass 630.16][List of Patents for class 137 subclass 630.16]630.16 Subclass 630.16 indent level is 2 With subsequent closing of first opened port
 [List of Pre Grant Publications for class 137 subclass 630.18][List of Patents for class 137 subclass 630.18]630.18 Subclass 630.18 indent level is 2 Screw-actuated differential valves
[List of Pre Grant Publications for class 137 subclass 630.19][List of Patents for class 137 subclass 630.19]630.19 Subclass 630.19 indent level is 2 Lost motion
 [List of Pre Grant Publications for class 137 subclass 635][List of Patents for class 137 subclass 635]635 Subclass 635 indent level is 1 With preselecting means for plural valve actuator
[List of Pre Grant Publications for class 137 subclass 636][List of Patents for class 137 subclass 636]636 Subclass 636 indent level is 1 With selective motion for plural valve actuator
 [List of Pre Grant Publications for class 137 subclass 636.1][List of Patents for class 137 subclass 636.1]636.1 Subclass 636.1 indent level is 2 Oppositely movable cam surfaces
 [List of Pre Grant Publications for class 137 subclass 636.2][List of Patents for class 137 subclass 636.2]636.2 Subclass 636.2 indent level is 2 Rotation about either of two pivotal axes
 [List of Pre Grant Publications for class 137 subclass 636.3][List of Patents for class 137 subclass 636.3]636.3 Subclass 636.3 indent level is 2 Rotation of actuator arm about its pivot and its axis
 [List of Pre Grant Publications for class 137 subclass 636.4][List of Patents for class 137 subclass 636.4]636.4 Subclass 636.4 indent level is 2 Reciprocation along and rotation about same axis
[List of Pre Grant Publications for class 137 subclass 637][List of Patents for class 137 subclass 637]637 Subclass 637 indent level is 1 Valves with separate, correlated, actuators
 [List of Pre Grant Publications for class 137 subclass 637.05][List of Patents for class 137 subclass 637.05]637.05 Subclass 637.05 indent level is 2 Correlated across separable flow path joint
 [List of Pre Grant Publications for class 137 subclass 637.1][List of Patents for class 137 subclass 637.1]637.1 Subclass 637.1 indent level is 2 Interlocked
[List of Pre Grant Publications for class 137 subclass 637.2][List of Patents for class 137 subclass 637.2]637.2 Subclass 637.2 indent level is 2 Coaxial stems
[List of Pre Grant Publications for class 137 subclass 594][List of Patents for class 137 subclass 594]594 Subclass 594 indent level is 1 Plural noncommunicating flow paths
 [List of Pre Grant Publications for class 137 subclass 595][List of Patents for class 137 subclass 595]595 Subclass 595 indent level is 2 With common valve operator
[List of Pre Grant Publications for class 137 subclass 596][List of Patents for class 137 subclass 596]596 Subclass 596 indent level is 1 Supply and exhaust
[List of Pre Grant Publications for class 137 subclass 596.12][List of Patents for class 137 subclass 596.12]596.12 Subclass 596.12 indent level is 2 With bypass
[List of Pre Grant Publications for class 137 subclass 596.14][List of Patents for class 137 subclass 596.14]596.14 Subclass 596.14 indent level is 2 Pilot-actuated
[List of Pre Grant Publications for class 137 subclass 596.17][List of Patents for class 137 subclass 596.17]596.17 Subclass 596.17 indent level is 2 Motor
[List of Pre Grant Publications for class 137 subclass 596.1][List of Patents for class 137 subclass 596.1]596.1 Subclass 596.1 indent level is 2 Biased exhaust valve
 [List of Pre Grant Publications for class 137 subclass 597][List of Patents for class 137 subclass 597]597 Subclass 597 indent level is 1 Multiple inlet with multiple outlet
 [List of Pre Grant Publications for class 137 subclass 598][List of Patents for class 137 subclass 598]598 Subclass 598 indent level is 1 Hydraulic brake line (e.g., hill holders)
[List of Pre Grant Publications for class 137 subclass 599.01][List of Patents for class 137 subclass 599.01]599.01 Subclass 599.01 indent level is 1 Dividing into parallel flow paths with recombining
 [List of Pre Grant Publications for class 137 subclass 599.02][List of Patents for class 137 subclass 599.02]599.02 Subclass 599.02 indent level is 2 With fluid coupling (e.g., railway car hose coupling, truck-trailer oil system coupling, etc.)
[List of Pre Grant Publications for class 137 subclass 599.03][List of Patents for class 137 subclass 599.03]599.03 Subclass 599.03 indent level is 2 System having plural inlets
[List of Pre Grant Publications for class 137 subclass 599.05][List of Patents for class 137 subclass 599.05]599.05 Subclass 599.05 indent level is 2 Having digital flow controller
 [List of Pre Grant Publications for class 137 subclass 599.08][List of Patents for class 137 subclass 599.08]599.08 Subclass 599.08 indent level is 2 With multi way valve having serial valve in at least one branch
 [List of Pre Grant Publications for class 137 subclass 599.09][List of Patents for class 137 subclass 599.09]599.09 Subclass 599.09 indent level is 2 Fluid pressure regulator in at least one branch
[List of Pre Grant Publications for class 137 subclass 599.11][List of Patents for class 137 subclass 599.11]599.11 Subclass 599.11 indent level is 2 Flow passage with bypass
[List of Pre Grant Publications for class 137 subclass 599.16][List of Patents for class 137 subclass 599.16]599.16 Subclass 599.16 indent level is 2 Second valve assembly carried by first valve head
 [List of Pre Grant Publications for class 137 subclass 600][List of Patents for class 137 subclass 600]600 Subclass 600 indent level is 2 With foam controlling means (e.g., beer, soda faucets)
[List of Pre Grant Publications for class 137 subclass 601.01][List of Patents for class 137 subclass 601.01]601.01 Subclass 601.01 indent level is 2 With common operator
 [List of Pre Grant Publications for class 137 subclass 601.13][List of Patents for class 137 subclass 601.13]601.13 Subclass 601.13 indent level is 2 Fluid actuated or retarded
 [List of Pre Grant Publications for class 137 subclass 601.14][List of Patents for class 137 subclass 601.14]601.14 Subclass 601.14 indent level is 2 Electrical actuator
 [List of Pre Grant Publications for class 137 subclass 601.15][List of Patents for class 137 subclass 601.15]601.15 Subclass 601.15 indent level is 2 Mechanical movement between actuator and valve
[List of Pre Grant Publications for class 137 subclass 601.16][List of Patents for class 137 subclass 601.16]601.16 Subclass 601.16 indent level is 2 Rotary valve
[List of Pre Grant Publications for class 137 subclass 601.18][List of Patents for class 137 subclass 601.18]601.18 Subclass 601.18 indent level is 2 Having guide or restrictor
[List of Pre Grant Publications for class 137 subclass 601.2][List of Patents for class 137 subclass 601.2]601.2 Subclass 601.2 indent level is 2 Having direct response valve (e.g., check valve, etc.)
[List of Pre Grant Publications for class 137 subclass 602][List of Patents for class 137 subclass 602]602 Subclass 602 indent level is 1 Multiple inlet with single outlet
 [List of Pre Grant Publications for class 137 subclass 603][List of Patents for class 137 subclass 603]603 Subclass 603 indent level is 2 Faucet attachment
[List of Pre Grant Publications for class 137 subclass 888][List of Patents for class 137 subclass 888]888 Subclass 888 indent level is 2 Combining by aspiration
[List of Pre Grant Publications for class 137 subclass 896][List of Patents for class 137 subclass 896]896 Subclass 896 indent level is 2 With means to promote mixing or combining of plural fluids
[List of Pre Grant Publications for class 137 subclass 605][List of Patents for class 137 subclass 605]605 Subclass 605 indent level is 2 With flow control
[List of Pre Grant Publications for class 137 subclass 861][List of Patents for class 137 subclass 861]861 Subclass 861 indent level is 1 With flow control means for branched passages
[List of Pre Grant Publications for class 137 subclass 862][List of Patents for class 137 subclass 862]862 Subclass 862 indent level is 2 With common valve operator
[List of Pre Grant Publications for class 137 subclass 872][List of Patents for class 137 subclass 872]872 Subclass 872 indent level is 2 With valve or movable deflector at junction
[List of Pre Grant Publications for class 137 subclass 877][List of Patents for class 137 subclass 877]877 Subclass 877 indent level is 2 Biased valve
 [List of Pre Grant Publications for class 137 subclass 883][List of Patents for class 137 subclass 883]883 Subclass 883 indent level is 2 Single inlet with multiple distinctly valved outlets
 [List of Pre Grant Publications for class 137 subclass 884][List of Patents for class 137 subclass 884]884 Subclass 884 indent level is 2 Sectional block structure
 [List of Pre Grant Publications for class 137 subclass 885][List of Patents for class 137 subclass 885]885 Subclass 885 indent level is 2 With fluid actuator
 [List of Pre Grant Publications for class 137 subclass 886][List of Patents for class 137 subclass 886]886 Subclass 886 indent level is 2 With threaded actuator
 [List of Pre Grant Publications for class 137 subclass 887][List of Patents for class 137 subclass 887]887 Subclass 887 indent level is 2 Containing rotary valve
[List of Pre Grant Publications for class 137 subclass 613][List of Patents for class 137 subclass 613]613 Subclass 613 indent level is 1 Flow path with serial valves and/or closures
[List of Pre Grant Publications for class 137 subclass 614][List of Patents for class 137 subclass 614]614 Subclass 614 indent level is 2 Separable flow path section, valve or closure in each
[List of Pre Grant Publications for class 137 subclass 614.11][List of Patents for class 137 subclass 614.11]614.11 Subclass 614.11 indent level is 2 Common actuator
[List of Pre Grant Publications for class 137 subclass 614.16][List of Patents for class 137 subclass 614.16]614.16 Subclass 614.16 indent level is 2 One valve head provides seat for other head
 [List of Pre Grant Publications for class 137 subclass 614.18][List of Patents for class 137 subclass 614.18]614.18 Subclass 614.18 indent level is 2 One valve head carries other valve head
 [List of Pre Grant Publications for class 137 subclass 614.19][List of Patents for class 137 subclass 614.19]614.19 Subclass 614.19 indent level is 2 Biased valve with external operator
 [List of Pre Grant Publications for class 137 subclass 614.2][List of Patents for class 137 subclass 614.2]614.2 Subclass 614.2 indent level is 2 Direct response normally closed valve limits direction of flow
 [List of Pre Grant Publications for class 137 subclass 614.21][List of Patents for class 137 subclass 614.21]614.21 Subclass 614.21 indent level is 2 Coaxial oppositely directed seats
[List of Pre Grant Publications for class 137 subclass 615][List of Patents for class 137 subclass 615]615 Subclass 615 indent level is 1 Articulated or swinging flow conduit
[List of Pre Grant Publications for class 137 subclass 616][List of Patents for class 137 subclass 616]616 Subclass 616 indent level is 2 Actuates valve
 [List of Pre Grant Publications for class 137 subclass 797][List of Patents for class 137 subclass 797]797 FRANGIBLE
[List of Pre Grant Publications for class 137 subclass 798][List of Patents for class 137 subclass 798]798 WITH COUPLING
 [List of Pre Grant Publications for class 137 subclass 799][List of Patents for class 137 subclass 799]799 Subclass 799 indent level is 1 Flexible
 [List of Pre Grant Publications for class 137 subclass 800][List of Patents for class 137 subclass 800]800 WITH CLOSURE
 [List of Pre Grant Publications for class 137 subclass 801][List of Patents for class 137 subclass 801]801 FAUCETS AND SPOUTS
 [List of Pre Grant Publications for class 137 subclass 802][List of Patents for class 137 subclass 802]802 MISCELLANEOUS
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 137 subclass 900][List of Patents for class 137 subclass 900]900 BUMPLESS MANUAL TO AUTOMATIC RELAYS
 [List of Pre Grant Publications for class 137 subclass 901][List of Patents for class 137 subclass 901]901 BIASED BALL VALVES WITH OPERATORS
 [List of Pre Grant Publications for class 137 subclass 902][List of Patents for class 137 subclass 902]902 SLUSH PUMP CHECK VALVES
 [List of Pre Grant Publications for class 137 subclass 903][List of Patents for class 137 subclass 903]903 RUBBER VALVE SPRINGS
 [List of Pre Grant Publications for class 137 subclass 904][List of Patents for class 137 subclass 904]904 CUSHION CHECK VALVES
 [List of Pre Grant Publications for class 137 subclass 905][List of Patents for class 137 subclass 905]905 ROTARY VALVES FOR MULTIPLE GAS BURNERS
 [List of Pre Grant Publications for class 137 subclass 906][List of Patents for class 137 subclass 906]906 VALVES BIASED BY FLUID "SPRINGS"
 [List of Pre Grant Publications for class 137 subclass 907][List of Patents for class 137 subclass 907]907 VACUUM-ACTUATED VALVES
 [List of Pre Grant Publications for class 137 subclass 908][List of Patents for class 137 subclass 908]908 RESPIRATOR CONTROL
 [List of Pre Grant Publications for class 137 subclass 909][List of Patents for class 137 subclass 909]909 MAGNETIC FLUID VALVE
 [List of Pre Grant Publications for class 137 subclass 910][List of Patents for class 137 subclass 910]910 DESTRUCTIBLE OR DEFORMABLE ELEMENT CONSTRUCTED OF SPECIFIC MATERIAL
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS

This page is produced by the Office of Classification Support (Office of Patent Classification) for the Reference Tools Project.

Please send questions and comments to usptoinfo@uspto.gov .

Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public. PTDL Contact Information

Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:

     Information Products Division -- U.S. Patent and Trademark Office Information Products Division Contact Information
     Or, browse their on-line catalog.

KEY: e Biz=online business system fees=fees forms=formshelp=help laws and regs=laws/regulations definition=definition (glossary)

The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website.


|.HOME | SITE INDEX| SEARCH | eBUSINESS | HELP | PRIVACY POLICY