ClassID:

152488

F16K31/363 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston

Recent Application in this class:
#1
20260063219
2026-03-05

PRESSURE REDUCTION SYSTEMS AND METHODS

#2
20250383028
2025-12-18

VALVE

#3
20250035233
2025-01-30

INSTANT ON-OFF VALVES FOR HIGH PRESSURE FLUIDS

#4
20240337323
2024-10-10

HYDRAULIC VALVES

#5
20240093801
2024-03-21

Reversible electromagnetic valve and air conditioning unit having same

#6
20240068591
2024-02-29

Integrating fluid pathways into a valve superstructure

#7
20240019012
2024-01-18

PISTON VALVE ASSEMBLY AND FREQUENCY SENSITIVE SHOCK ABSORBER WITH THE SAME

#8
20240003437
2024-01-04

HYDRAULIC DIRECTIONAL CONTROL VALVE

#9
20230400118
2023-12-14

Hydraulic trigger with locked spring force

#10
20230389746
2023-12-07

Valve Device

#11
20230302269
2023-09-28

Apparatus for negative-pressure therapy and irrigation

#12
20230265938
2023-08-24

Solenoid valve

#13
20230258060
2023-08-17

SINGLE PILOT FLUID LINE ACTUATION GAS LIFT VALVE AND RELATED SYSTEMS AND METHODS

#14
20230235835
2023-07-27

Valve assembly and hydraulic circuit

#15
20230213113
2023-07-06

Time delay valve and flow rate controller

#16
20230213112
2023-07-06

Hydraulic trigger with locked spring force

#17
20230058350
2023-02-23

Hydraulic pilot valve

#18
20220381360
2022-12-01

Pilot-operated relief valve assembly

#19
20220315227
2022-10-06

Valve assembly

#20
20220299046
2022-09-22

Spool valve and hydraulic apparatus including the same

#21
20220163981
2022-05-26

Pilot-controlled coolant valve

#22
20220146014
2022-05-12

VALVE DRIVE DEVICE, A METHOD FOR OPERATING A VALVE DRIVE DEVICE, AND A PROCESS DEVICE

#23
20220120358
2022-04-21

POPPET VALVE ASSEMBLY

#24
20220016574
2022-01-20

Reverse osmosis unit

#25
20210404576
2021-12-30

Proportional hydraulic two-stage valve

#26
20210404572
2021-12-30

Multi-function pressure regulation valve

#27
20210330956
2021-10-28

Apparatus for negative-pressure therapy and irrigation

#28
20210270191
2021-09-02

Regulation system comprising a valve, a regulator, an actuator and a cooling system using heat pipes

#29
20210222409
2021-07-22

Locking side sprayer

#30
20200406171
2020-12-31

DIFFERENTIAL PRESSURE VALVE & FILTER SYSTEM INCORPORATING SAME

#31
20200300383
2020-09-24

Fluid control valve

#32
20200300377
2020-09-24

Valve for Switching Fluids, Extinguishing System, and a Method

#33
20200256207
2020-08-13

Systems and methods for protecting a turbomachine

#34
20200238307
2020-07-30

Pneumatic supply through a valve cap

#35
20200207604
2020-07-02

Liquid source switch-over device

#36
20200103042
2020-04-02

Pilot-operated relief valve assembly

#37
20200072367
2020-03-05

Auto range control for active illumination depth camera

#38
20200072116
2020-03-05

Cooling system valve

#39
20190353273
2019-11-21

Double action direction fluid flow valve

#40
20190255907
2019-08-22

Air conditioner for vehicle

#41
20190195379
2019-06-27

ADDITIVELY MANUFACTURED INTEGRATED VALVE AND ACTUATOR FOR A GAS TURBINE ENGINE

#42
20180371987
2018-12-27

Switch valve for controlling a hydraulic fluid flow for a connecting rod of variable compression internal combustion engine and connecting rod

#43
20180355996
2018-12-13

Double action direction fluid flow valve

#44
20180274600
2018-09-27

Automatic transmission

#45
20180259089
2018-09-13

Valve arrangements and methods of actuating valves in valve arrangements

#46
20180245709
2018-08-30

Valve for switching fluids, extinguishing system and method

#47
20180245700
2018-08-30

Pressure reducing valve unit

#48
20180224011
2018-08-09

Lubricant reservoir system

#49
20180188749
2018-07-05

Hydraulic valve for dampening pressure spikes, and associated systems and methods

#50
20180171818
2018-06-21

Systems and methods for protecting a turbomachine

#51
20180140822
2018-05-24

Apparatus for negative-pressure therapy and irrigation

#52
20180128390
2018-05-10

Differential pressure type inflating device

#53
20180106277
2018-04-19

Valve device and fluid pressure control device

#54
20180064040
2018-03-08

Controlling valve operation using pressure

#55
20180031137
2018-02-01

Auto range control for active illumination depth camera

#56
20180030678
2018-02-01

STRIPING APPARATUS

#57
20170299233
2017-10-19

Six-way directional valve, outdoor unit for air conditioner having the same, and air conditioner

#58
20170261012
2017-09-14

Valve actuator device with driving arm having a modular structure

#59
20170251613
2017-09-07

Controlling valve operation using pressure

#60
20170220055
2017-08-03

Pressure regulating shut-off valve

#61
20170175921
2017-06-22

Double action direction fluid flow valve

#62
20170175909
2017-06-22

Methods and appratus for independently controlling seating forces in rotary valves

#63
20170023136
2017-01-26

Constant Volume Valve

#64
20160349768
2016-12-01

Booster valve for pneumatic circuits

#65
20160341319
2016-11-24

Multipurpose flow control arrangement

#66
20160327177
2016-11-10

Double action direction fluid flow valve

#67
20160319788
2016-11-03

Gas flow limiter for a fuel system and process for use thereof

#68
20160169030
2016-06-16

Valve for a turbomachine

#69
20150330527
2015-11-19

Directional control valve with spool delay mechanism

#70
20150226349
2015-08-13

Valve arrangement

#71
20140261812
2014-09-18

Bypass piston port and methods of manufacturing a bypass piston port for a series progressive divider valve

#72
20140109989
2014-04-24

Hydraulic valve arrangement

#73
20140099214
2014-04-10

Capacity control valve

#74
20140042346
2014-02-13

Servovalve actuation

#75
20130312850
2013-11-28

ACTUATOR FOR OPERATING A VALVE IN A FLUID LINE

#76
20130167949
2013-07-04

Composite valve

#77
20130126010
2013-05-23

Valve arrangement

#78
20130118603
2013-05-16

Piston bores and methods of manufacturing piston bores for a series progressive divider valve

#79
20130087234
2013-04-11

Double-sealed cross-port fitting for series progressive divider valve

#80
20130081724
2013-04-04

Desalination system with energy recovery and related pumps, valves and controller

#81
20130068329
2013-03-21

Bypass piston port and methods of manufacturing a bypass piston port for a series progressive divider valve

#82
20130061967
2013-03-14

Piston bore undercut and methods of manufacturing a piston bore undercut for a series progressive divider valve

#83
20130061965
2013-03-14

Cross-porting configuration for series progressive divider valve

#84
20130042921
2013-02-21

Quantum fluid transfer system

#85
20120326070
2012-12-27

Double action directional fluid flow valve

#86
20120159940
2012-06-28

Pressure Regulating Device, Compressed Air Supply System and Motor Vehicle

#87
20120007009
2012-01-12

Method and apparatus for generating high-speed pulsed fluid jets

#88
20110033313
2011-02-10

Air flow control apparatus

#89
20100155630
2010-06-24

Pilot-controlled valve having a ceramic control piston

#90
20100092116
2010-04-15

PRESSURE BALANCED VALVE ASSEMBLY AND AIRCRAFT BUFFER COOLER SYSTEM EMPLOYING THE SAME

#91
20090090419
2009-04-09

Suction valve

#92
20090072180
2009-03-19

Double action directional fluid flow valve

#93
20090001301
2009-01-01

Blow-off valve

#94
20080277614
2008-11-13

Quantum fluid transfer system

#95
20070284003
2007-12-13

Universal refrigeration valve

#96
20070131281
2007-06-14

UNDERGROUND FUEL TANK VENT VALVE

#97
20070001134
2007-01-04

Slurry tolerant pilot operated relief valve

#98
20060266420
2006-11-30

Fluid control devices

#99
20060022159
2006-02-02

Valve, actuator and control system therefor

#100
20060016495
2006-01-26

Control valve for a device to modify the timing of an internal combustion engine

#101
20050279955
2005-12-22

Valve, actuator and control system therefor

#102
20050218359
2005-10-06

Valve, actuator and control system therefor

#103
20050211305
2005-09-29

Flow control valves

#104
20050006616
2005-01-13

Manual opening apparatus for a normally-closed valve

#105
17840024
2023-11-07

Piston valve with annular passages

#106
17589947
2023-06-20

Sequence valve with a reverse free flow configuration integrated therewith

#107
17362776
2022-10-25

Complementary fluidic valves and systems

#108
16408412
2021-10-12

Complementary fluidic valves and logic gates

#109
15714276
2019-10-08

Pressure regulating valve with incorporated shut-off mechanism and fluid bypass