Patents-Review.com
ClassID:

249233 ⎘

Y10T137/7869 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type] Biased open

Sub-classes:
Recent Application in this class:
#1
20240229939
2024-07-11

Valve assembly with adjustable spacer and noise reduction

 #2
20240003456
2024-01-04

RELIEF VALVE ASSEMBLY

 #3
20230088239
2023-03-23

SYSTEM FOR MAINTAINING INTEGRITY OF A DRY PIPE SYSTEM WITH HEATED CABINET AND FLOW RESTRICTOR VALVE

 #4
20230077254
2023-03-09

Preventing an over pressure condition with a mechanical shutdown valve

 #5
20230011335
2023-01-12

PREVENTING AN OVER PRESSURE CONDITION WITH A MECHANICAL SHUTDOWN VALVE

 #6
20220243834
2022-08-04

Pressure valve for a liquid

 #7
20220186849
2022-06-16

Check valve

 #8
20210131456
2021-05-06

Oil returning valve set with multi-stage throttling control

 #9
20200271235
2020-08-27

Pressure reducing valve

 #10
20200208782
2020-07-02

Check valve and assembly for fluid storage container

 #11
20200208750
2020-07-02

Safety valve

 #12
20180172179
2018-06-21

Self-acting pressure drain valve

 #13
20180029062
2018-02-01

Fluid valve, in particular a return valve for a painting system

 #14
20170368896
2017-12-28

Wheel valve assembly and the tire inflation system made therewith

 #15
20170198826
2017-07-13

Flow control valve

 #16
20160223098
2016-08-04

Self-acting pressure drain valve

 #17
20150219231
2015-08-06

Excess flow valve with flexible sealing member

 #18
20150165846
2015-06-18

Valve assemblies and methods of inflating or deflating a tyre

 #19
20150090347
2015-04-02

Fluid valve, in particular a return valve for a painting system

 #20
20150000754
2015-01-01

Air release valve with elastic rolling shutter

 #21
20150000748
2015-01-01

Check valve apparatus and methods

 #22
20140137949
2014-05-22

Backflow preventer valve

 #23
20140096829
2014-04-10

Fluid connector with integrated excess flow valve

 #24
20130171537
2013-07-04

Forward check valve and fuel cell system

 #25
20130105009
2013-05-02

FLOW CONTROL VALVE

 #26
20130037132
2013-02-14

Pressure-control Valve

 #27
20130025712
2013-01-31

Pipe break valve device

 #28
20130001037
2013-01-03

Compressed-air control device with molded seal

 #29
20120318385
2012-12-20

Pressure responsive flow controller

 #30
20120318365
2012-12-20

Flow restrictor and method for reducing resistance of a flow

 #31
20120181471
2012-07-19

Flow valve

 #32
20120160347
2012-06-28

Device for burst pipe safety

 #33
20120160346
2012-06-28

Nozzle check valve

 #34
20120114849
2012-05-10

Fluid valve, particularly return valve for a painting system

 #35
20120085338
2012-04-12

Air control regulator for combustion chamber

 #36
20120042966
2012-02-23

Pressure activated ratcheting valve

 #37
20120006416
2012-01-12

Mechanical fuse to seal pipes upon unintended rupture

 #38
20110284104
2011-11-24

Automatic flow regulator valve

 #39
20110284086
2011-11-24

Flow restrictor and method for reducing resistance of a flow

 #40
20110147016
2011-06-23

Fluid Selective Check Valve

 #41
20110108140
2011-05-12

Latching check valve

 #42
20110073597
2011-03-31

Cooling system expansion tank

 #43
20110061746
2011-03-17

Air discharge implement for a portable pressurized sprayer

 #44
20100326531
2010-12-30

Combination flow control valve and reverse flow check valve

 #45
20100319784
2010-12-23

Flow restrictor

 #46
20100307638
2010-12-09

Device for bottling beverages

 #47
20100307613
2010-12-09

DEVICE FOR BLOCKING AND RELEASING A FLUID FLOW AND ASSOCIATED METHOD

 #48
20100218963
2010-09-02

Explosion protection valve

 #49
20100206388
2010-08-19

Relief valve for a turbocharger

 #50
20100200086
2010-08-12

Automatically tripped compact safety device for controlling the flow of a fluid

 #51
20100193718
2010-08-05

Water cut-off valve

 #52
20100183452
2010-07-22

Adaptor for an air compressor and an air compressor

 #53
20100154902
2010-06-24

Hydraulic Shut-Off Valve with Surge Resistant Chamber

 #54
20100132799
2010-06-03

Vessel, dispensing devices, kits and methods for containing fluids

 #55
20100012202
2010-01-21

Gas flow monitor

 #56
20090293964
2009-12-03

Mechanical fuse to seal pipes upon unintended rupture

 #57
20090267014
2009-10-29

Fluid on-off valve device

 #58
20090266425
2009-10-29

Excess flow valves

 #59
20090250928
2009-10-08

Anti-flooding device

 #60
20090229679
2009-09-17

Vented steamer port cap assembly

 #61
20090217662
2009-09-03

Internal combustion engine with two-stage turbo charging system

 #62
20090121885
2009-05-14

Liquid blocking apparatus and system equipped with an alarm or wireless calling device and a storing bag

 #63
20090090006
2009-04-09

Method for manufacturing a petal valve

 #64
20090032123
2009-02-05

Check valve

 #65
20090032117
2009-02-05

Flow rate control valve

 #66
20090007889
2009-01-08

Three position fuel line check valve for relief of diurnal pressure

 #67
20080283637
2008-11-20

Irrigation systems including flush valves, and methods for flushing debris from irrigation systems

 #68
20080283131
2008-11-20

Priming valve device for water circuit of a beverage machine

 #69
20080251136
2008-10-16

Air control regulator for combustion chamber

 #70
20080230131
2008-09-25

Irrigation system and shut-off control device therefor

 #71
20080191428
2008-08-14

Sealing bush, hydraulic unit, and check valve

 #72
20080185053
2008-08-07

Pump system, charge relief mechanism and oil pressure control mechanism

 #73
20080185052
2008-08-07

SAFETY SHUT OFF VALVE FOR USE IN HYDRAULIC SYSTEM

 #74
20080178946
2008-07-31

Excess flow valve

 #75
20080115841
2008-05-22

Flow regulator

 #76
20080083463
2008-04-10

Automatic flow control regulator valve

 #77
20080035215
2008-02-14

Hydraulic System Safety Shut Off Valve

 #78
20080029161
2008-02-07

Backflow preventer valve

 #79
20070277885
2007-12-06

Excess flow control valve

 #80
20070267075
2007-11-22

Excess flow valves

 #81
20070261734
2007-11-15

Safety valve of a high pressure storage, in particular a hydrogen storage tank

 #82
20070251592
2007-11-01

Microfluidic valve structure

 #83
20070221179
2007-09-27

Fuel line check valve system for relief of diurnal pressure

 #84
20070207354
2007-09-06

Fuel Cartridge with an Environmentally Sensitive Valve

 #85
20070095950
2007-05-03

Hydraulic control valve for drip hoses

 #86
20070095330
2007-05-03

Three position fuel line check valve for relief of diurnal pressure

 #87
20060174940
2006-08-10

Drain valve

 #88
20060169330
2006-08-03

Insertable component which can be inserted into a gas or liquid line

 #89
20060151030
2006-07-13

Safety valve

 #90
20060086393
2006-04-27

Flow-control valve assembly

 #91
20060071088
2006-04-06

Fuel cartridge with an environmentally sensitive valve

 #92
20060070665
2006-04-06

Volumetric flow regulation valve

 #93
20060054226
2006-03-16

Liquid delivery device

 #94
20060038043
2006-02-23

Water line safety valve

 #95
20060021658
2006-02-02

Automatic flow rate control valve

 #96
20060008357
2006-01-12

Pump system, charge relief mechanism and oil pressure control mechanism

 #97
20050284521
2005-12-29

Auto-drain valve of air compressor

 #98
20050268967
2005-12-08

Surge suppression and safety cut-off valve

 #99
20050235685
2005-10-27

Pressure equalizer of compressor of air conditioner

 #100
20050229977
2005-10-20

Flow regulating valve assembly

 #101
20050217729
2005-10-06

Excess flow valve

 #102
20050199303
2005-09-15

Valves and methods for manufacturing the valves

 #103
20050199290
2005-09-15

Gas safety device

 #104
20050199289
2005-09-15

Flow control valve

 #105
20050199288
2005-09-15

Venturi valve modifications

 #106
20050139019
2005-06-30

Air turbine starter having a low differential check valve

 #107
20050092368
2005-05-05

Fluid control valve

 #108
20050022872
2005-02-03

Combination shut-off and resetable excess flow valve

 #109
20050005972
2005-01-13

Upgrading automatic transmissions

 #110
17130834
2022-01-18

Fluid control valve with mechanical switch