ClassID:

152457

F16K31/1223 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid

Recent Application in this class:
#1
20260085765
2026-03-26

VALVE APPARATUS OPERATED WITH A HIGH PRESSURE MOTIVE FLUID AND METHOD OF OPERATING THE SAME

#2
20250180138
2025-06-05

FORCE BALANCED RECIPROCATING VALVE

#3
20250021114
2025-01-16

Counterbalance valve with enhanced pressure sensing features

#4
20240343174
2024-10-17

VALVE ASSEMBLY

#5
20240295107
2024-09-05

PNEUMATIC DRAIN VALVE DRIVING DEVICE

#6
20240240722
2024-07-18

Integrated Air Inlet and Outlet Valve and Pressure Swing Adsorption Air Path System

#7
20240175517
2024-05-30

Force balanced reciprocating valve

#8
20240102577
2024-03-28

PRESSURE REGULATION SYSTEMS AND VALVES

#9
20240084917
2024-03-14

STEP LIFT CONTROL OF HYDRAULICALLY ACTUATED POPPED VALVES

#10
20230358334
2023-11-09

Piston for adjustable pressure reducing valve and an adjustable pressure reducing valve

#11
20230323972
2023-10-12

IMPROVEMENTS IN, OR RELATING TO, TRIGGER VALVES

#12
20230204113
2023-06-29

Valve

#13
20230145382
2023-05-11

NORMALLY CLOSED VALVE FOR DRY PIPE TRIM ON A DIAPHRAGM VALVE

#14
20230033330
2023-02-02

Hover-capable aircraft and lubrication method for a module of a transmission unit of said aircraft

#15
20230014708
2023-01-19

Selective connection of annular regions

#16
20220390037
2022-12-08

Low water hammer break check valve

#17
20220307621
2022-09-29

Pressure relief valve and uses thereof

#18
20220213980
2022-07-07

Air-valve unit for vacuum system

#19
20220213979
2022-07-07

Cooling of air actuated valve using actuating air

#20
20220186851
2022-06-16

Check valve

#21
20220170565
2022-06-02

Pneumatic-hydraulic control valve

#22
20220089382
2022-03-24

Vacuum ejector and seal valve unit

#23
20220080449
2022-03-17

PERFORMANCE SOLENOID ASSEMBLY

#24
20220022391
2022-01-27

Pressure reducing valve with shut-off mechanism

#25
20210404572
2021-12-30

Multi-function pressure regulation valve

#26
20210348478
2021-11-11

Multiple system ports using a time delay valve

#27
20210341955
2021-11-04

Safety device for hydrodynamic pressure regulating pipe network

#28
20210300129
2021-09-30

Valve assembly and tire inflation system

#29
20210187525
2021-06-24

ISOLATING VALVE

#30
20210180715
2021-06-17

Capacity control valve

#31
20210140450
2021-05-13

Process control device

#32
20210048111
2021-02-18

Fluid valve

#33
20210010495
2021-01-14

Complementary fluidic logic and memory devices

#34
20210003230
2021-01-07

Force balanced reciprocating valve

#35
20200398809
2020-12-24

Valve assembly and system including same for controlling fluid flow to and from a clutch

#36
20200347940
2020-11-05

VALVE CARTRIDGE ASSEMBLY

#37
20200326014
2020-10-15

Inflation valve assembly

#38
20200300380
2020-09-24

Inflation electric valve with manual override

#39
20200208541
2020-07-02

Steam valve, power generation system, and inspection method for steam valve

#40
20200173570
2020-06-04

Automatic leak prevention shut off valve

#41
20200114186
2020-04-16

Automatic valve

#42
20200101883
2020-04-02

Pneumatic valve

#43
20200003326
2020-01-02

Valve, aircraft, launch vehicle, and vehicle including the same

#44
20190382215
2019-12-19

Vacuum ejector and seal valve unit

#45
20190309837
2019-10-10

Valve with a locked set screw that is covered with a cap having a rotation space fitting freely over a nut and a female threaded portion screwed onto the set screw

#46
20190301627
2019-10-03

Passive valve

#47
20190277424
2019-09-12

Inline air valve nose cap for reduced contamination

#48
20190271407
2019-09-05

Pneumatically controllable valve assembly, tire inflation system, and methods of operating the valve assembly and the tire inflation system

#49
20190264603
2019-08-29

Turbocharger for an internal combustion engine

#50
20190212757
2019-07-11

Pressure regulating valve for an air supply system of a utility vehicle

#51
20190211792
2019-07-11

Pressure relief valve system

#52
20190195379
2019-06-27

ADDITIVELY MANUFACTURED INTEGRATED VALVE AND ACTUATOR FOR A GAS TURBINE ENGINE

#53
20190186644
2019-06-20

Energetic one way sequence termination valve

#54
20190136984
2019-05-09

Device for controlling fluid flow

#55
20190107220
2019-04-11

Valve drive system for a pneumatic or hydraulic valve

#56
20190107206
2019-04-11

Valve for controlling coolant flow and fuel cell cooling system using the same

#57
20190101070
2019-04-04

Pressure regulating modules with controlled leak paths

#58
20190101031
2019-04-04

Regenerative valve hydraulic actuator

#59
20190040973
2019-02-07

Compound express actuator connection

#60
20180372128
2018-12-27

Servovalve

#61
20180231140
2018-08-16

Valve

#62
20180224007
2018-08-09

Energetic one way sequence termination valve

#63
20180170556
2018-06-21

Direct-acting valve

#64
20180163892
2018-06-14

Pneumatic valve

#65
20180159152
2018-06-07

Passive recirculation device

#66
20180136672
2018-05-17

Pressure reducing valve device

#67
20180119516
2018-05-03

Fluid flow control systems and methods

#68
20180112783
2018-04-26

Compressor surge protection

#69
20180073327
2018-03-15

Hydraulic pulse valve with improved wear life and performance

#70
20180064040
2018-03-08

Controlling valve operation using pressure

#71
20180052040
2018-02-22

Fluid pulse device and method of exciting gas turbine engine turomachinery components

#72
20180045118
2018-02-15

PRESSURE REGULATING VALVE WITH FLOW ANTI-ROTATION

#73
20180017977
2018-01-18

Differential pressure regulating shut-off valve

#74
20180010700
2018-01-11

Valve with a control space vented via a sealing groove

#75
20180003311
2018-01-04

Piston sensor with baffle plate

#76
20180001883
2018-01-04

Valve assembly and system including same for controlling fluid flow to and from a clutch

#77
20170370482
2017-12-28

SUB-PLATE MOUNTED VALVE

#78
20170363223
2017-12-21

Thermostat valve and method for operating a thermostat valve

#79
20170363222
2017-12-21

Retarder control valve assembly and system for rail cars

#80
20170328380
2017-11-16

Directional control valve

#81
20170309932
2017-10-26

Anode discharge valve for fuel cell system

#82
20170261120
2017-09-14

Pressure compensated flow tube for deep set tubular isolation valve

#83
20170261008
2017-09-14

Speed controller

#84
20170254424
2017-09-07

Three-position booster valve mechanism having a piston-cylinder control system which connects centrally in between supply and exhaust valves to an operating member

#85
20170251613
2017-09-07

Controlling valve operation using pressure

#86
20170191567
2017-07-06

Valve for controlling coolant flow and fuel cell cooling system using the same

#87
20170175924
2017-06-22

Valve Piston, and Slide Valve having a Valve Piston

#88
20170114914
2017-04-27

High integrity pressure protecting system (HIPPS) for a fluid line

#89
20170068254
2017-03-09

DISTRIBUTOR VALVE ASSEMBLY

#90
20170067563
2017-03-09

Pressure reducer with cap-shaped movable chamber

#91
20170060147
2017-03-02

BACK PRESSURE CONTROL REGULATOR WITH IN-LINE OVERPRESSURE RELIEF

#92
20170059047
2017-03-02

Delay valve for a hydraulic work support

#93
20170016214
2017-01-19

Fluid flow monitoring, verification and control system and method

#94
20160357198
2016-12-08

Pressure relief vavle

#95
20160319939
2016-11-03

High-flow valve arrangement in steam turbine safety system

#96
20160273673
2016-09-22

Valve device and use of such a valve device

#97
20160230833
2016-08-11

Valve

#98
20160200442
2016-07-14

Anti-icing systems

#99
20160186885
2016-06-30

Integrating valve with soft start

#100
20160146374
2016-05-26

Variable flow valve having metered flow orifice

#101
20160146231
2016-05-26

Hydraulic port safety locking device

#102
20160138250
2016-05-19

Type water output converter

#103
20160091100
2016-03-31

Water output converter

#104
20160090721
2016-03-31

Two-route switching water output system

#105
20160076504
2016-03-17

Pressure relief valve systems

#106
20150268672
2015-09-24

Pressure regulator for hydrogen storage system

#107
20150122349
2015-05-07

Retarder control valve assembly and system for rail cars

#108
20150107701
2015-04-23

Regulator valve

#109
20150001431
2015-01-01

Valve with force generating element

#110
20140360599
2014-12-11

Fluid regulator

#111
20140299799
2014-10-09

Spool valve

#112
20140193284
2014-07-10

Air regulator, in particular for screw compressors

#113
20130312843
2013-11-28

Pressure and flow altitude compensated shutoff valve

#114
20130239570
2013-09-19

Boost pressure control system for turbocharged internal combustion engines

#115
20130008530
2013-01-10

Pressure regulating valve

#116
20120159940
2012-06-28

Pressure Regulating Device, Compressed Air Supply System and Motor Vehicle

#117
20120007009
2012-01-12

Method and apparatus for generating high-speed pulsed fluid jets

#118
20110308643
2011-12-22

Pressure regulating valve

#119
20110240133
2011-10-06

Ejector valve with glands

#120
20110220214
2011-09-15

Counter-biased valve and actuator assembly

#121
20110175009
2011-07-21

FLUID REGULATOR

#122
20110101772
2011-05-05

CONTROL VALVE FOR A VEHICLE BRAKE SYSTEM, AND VEHICLE BRAKE SYSEM HAVING SUCH A CONTROL VALVE

#123
20110005251
2011-01-13

Compressor discharge valve providing freeze and charge migration protection

#124
20100243929
2010-09-30

Booster valve

#125
20100170583
2010-07-08

Fluid control valve with sensing port

#126
20100122746
2010-05-20

Water dispensing device capable of recycling cold water

#127
20100102261
2010-04-29

Microfluidic valve mechanism

#128
20100101666
2010-04-29

Pressure regulator for hydrogen storage system

#129
20090223575
2009-09-10

Ejector valve machine

#130
20090065727
2009-03-12

Seat block and valve device

#131
20090032749
2009-02-05

Regulating Valve and Fuel Cell System

#132
20090020722
2009-01-22

Fluid control valve with a holding member to prevent loosening of threaded engagement

#133
20080251144
2008-10-16

Cutback poppet valve

#134
20080251142
2008-10-16

Miniflow valve

#135
20080196774
2008-08-21

Constant flow rate valve

#136
20080128025
2008-06-05

Controller, system and method for providing supplementing water

#137
20080105309
2008-05-08

Valve Device For High-Pressure Gas

#138
20080099713
2008-05-01

Ejector valve machine

#139
20070289638
2007-12-20

Pressure Regulating Valve

#140
20070284003
2007-12-13

Universal refrigeration valve

#141
20070221272
2007-09-27

Water hose purging device

#142
20070144586
2007-06-28

Valve provided with a passage for conveying a medium and an installation provided with such a valve

#143
20070074759
2007-04-05

Rupture control system

#144
20070040140
2007-02-22

High pressure intensifying piston valve

#145
20050092183
2005-05-05

Pressure limiting and/or flow regulating valve for use with POU/POE filter system

#146
20050012058
2005-01-20

Piston actuator incorporating partitioned pressure chambers

#147
17362776
2022-10-25

Complementary fluidic valves and systems

#148
16950960
2022-04-12

Hydraulic valve spool assembly with metering land sections

#149
16447786
2020-11-10

Pneumatic controllers, pneumatically controlled inline valves, and methods of cooling pneumatic controllers

#150
16408412
2021-10-12

Complementary fluidic valves and logic gates