ClassID:

152459

F16K31/1226 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices actuated by fluid the fluid acting on a piston the fluid circulating through the piston

Recent Application in this class:
#1
20250237238
2025-07-24

RELAY VALVE FOR A COMPRESSED AIR SYSTEM FOR A VEHICLE

#2
20250060049
2025-02-20

VALVE DEVICE

#3
20250021114
2025-01-16

Counterbalance valve with enhanced pressure sensing features

#4
20250020233
2025-01-16

Line Break Device

#5
20230417341
2023-12-28

VALVE SYSTEM

#6
20230323972
2023-10-12

IMPROVEMENTS IN, OR RELATING TO, TRIGGER VALVES

#7
20230302269
2023-09-28

Apparatus for negative-pressure therapy and irrigation

#8
20220390030
2022-12-08

Arrangements and methods for controlled valve flow rate

#9
20220260162
2022-08-18

Valve assembly for well systems

#10
20220178358
2022-06-09

Capacity control valve

#11
20220170565
2022-06-02

Pneumatic-hydraulic control valve

#12
20220099210
2022-03-31

Gas solenoid valve

#13
20220003075
2022-01-06

Through tubing insert safety valve for fluid injection

#14
20210330956
2021-10-28

Apparatus for negative-pressure therapy and irrigation

#15
20210325915
2021-10-21

Pressure regulator for fluid hammer reduction

#16
20210221185
2021-07-22

Valve assembly and tire inflation system including said valve assembly

#17
20210116047
2021-04-22

Fluid control device

#18
20210102440
2021-04-08

Hydraulic control system for index downhole valves

#19
20210048111
2021-02-18

Fluid valve

#20
20210048110
2021-02-18

Set of jigs for assembling a valve, and a diaphragm valve assembled with the same

#21
20200284360
2020-09-10

Diaphragm valves and methods of operating same

#22
20200208541
2020-07-02

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

#23
20200131985
2020-04-30

Length-adjustable connecting rod with control device

#24
20200124458
2020-04-23

External fuel metering valve with shuttle mechanism

#25
20200041007
2020-02-06

Actuator and valve device using the same

#26
20190285176
2019-09-19

Valve device, flow control method using the same, and semiconductor manufacturing method

#27
20190264822
2019-08-29

Valve assembly for well systems

#28
20190249785
2019-08-15

Warm water recirculating valve using direct water supply tube

#29
20190234519
2019-08-01

Valve housing modular system and globe valve

#30
20190093772
2019-03-28

Diaphragm valve assembling method, diaphragm valve assembly structure, and diaphragm valve

#31
20190078921
2019-03-14

External fuel metering valve with shuttle mechanism

#32
20190032814
2019-01-31

Detecting and signaling system

#33
20190003864
2019-01-03

Flow totalizer

#34
20180363790
2018-12-20

UNIVERSAL AIR PRESSURE VALVE MODULE

#35
20180355998
2018-12-13

Balanced regulating valve

#36
20180347717
2018-12-06

Dual cylinder pressure equalization system

#37
20180340589
2018-11-29

Valve structure of shock absorber

#38
20180283563
2018-10-04

Metal diaphragm valve

#39
20180274444
2018-09-27

Valve assembly with oil shut-off valve

#40
20180140822
2018-05-24

Apparatus for negative-pressure therapy and irrigation

#41
20180106385
2018-04-19

Diaphragm valve

#42
20180038506
2018-02-08

Valve

#43
20180023713
2018-01-25

PILOT VALVE

#44
20170357276
2017-12-14

Pressure maintaining valve for a reversible connection to an air line

#45
20170184204
2017-06-29

Valve element and high-temperature-oriented valve

#46
20170097100
2017-04-06

Latching poppet valve

#47
20170068254
2017-03-09

DISTRIBUTOR VALVE ASSEMBLY

#48
20170067563
2017-03-09

Pressure reducer with cap-shaped movable chamber

#49
20170009785
2017-01-12

Multi-chamber diaphragm actuator with synchronized supply system

#50
20170002952
2017-01-05

Actuator apparatus with internal tubing and anti-rotation mechanism

#51
20160370812
2016-12-22

Valve device having passage defining member holding restrictor body without connection portion

#52
20160271637
2016-09-22

Device for supplying a sprayer with a liquid coating product

#53
20160263605
2016-09-15

Device for supplying a sprayer with a liquid coating product

#54
20160245361
2016-08-25

Valve

#55
20160245360
2016-08-25

Production of multi-part, joined valve components in hydraulic applications with joint sealing profiles

#56
20160230906
2016-08-11

Vacuum valve

#57
20160123491
2016-05-05

Valve device, fluid control apparatus, and semiconductor manufacturing apparatus

#58
20150268672
2015-09-24

Pressure regulator for hydrogen storage system

#59
20150198186
2015-07-16

Inertially stable actuator with telescoping supply port

#60
20140360599
2014-12-11

Fluid regulator

#61
20140130876
2014-05-15

Method of two-stage flow control

#62
20140001391
2014-01-02

Diaphragm valve

#63
20130276921
2013-10-24

Valve manifold

#64
20130233396
2013-09-12

Latching clutch valve

#65
20130001453
2013-01-03

Fluid control device and flow rate control apparatus

#66
20120319024
2012-12-20

Fluid control device

#67
20120153193
2012-06-21

Two-stage, slow-start valve apparatus

#68
20110266485
2011-11-03

Valve actuator with vent

#69
20110220214
2011-09-15

Counter-biased valve and actuator assembly

#70
20110175009
2011-07-21

FLUID REGULATOR

#71
20110073197
2011-03-31

Combined valve

#72
20100288517
2010-11-18

Pneumatic flow control valve for fire suppression over pressure prevention

#73
20100236651
2010-09-23

Valve damping system

#74
20100163765
2010-07-01

Pneumatic valve actuator having integral status indication

#75
20100138051
2010-06-03

METHOD AND ARRANGEMENT FOR ACTUATION

#76
20100122746
2010-05-20

Water dispensing device capable of recycling cold water

#77
20100101666
2010-04-29

Pressure regulator for hydrogen storage system

#78
20100090151
2010-04-15

Direct touch type metal diaphragm valve

#79
20100038566
2010-02-18

VALVE AND ACTUATOR ASSEMBLIES

#80
20100012204
2010-01-21

Valve manifold

#81
20090294709
2009-12-03

Two step valve actuator

#82
20090293971
2009-12-03

Valve having integrated pressure assist mechanism

#83
20090065727
2009-03-12

Seat block and valve device

#84
20080189078
2008-08-07

Dispensing Systems

#85
20070290154
2007-12-20

Air-operated valve

#86
20070257220
2007-11-08

Vacuum valve drive

#87
20070221275
2007-09-27

Shuttle valve

#88
20070048869
2007-03-01

Valve system and deposition apparatus including valve system and atomic layer deposition chamber

#89
20060196558
2006-09-07

Valve and actuator assemblies

#90
20060157111
2006-07-20

Backflow preventer

#91
20060151730
2006-07-13

Valve actuation velocity control device

#92
20060091340
2006-05-04

Latching valve for a torque-transmitting mechanism in a transmission

#93
20060065868
2006-03-30

DIAPHRAGM VALVE

#94
20060016495
2006-01-26

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

#95
20050193887
2005-09-08

Back-pressure valve and actuation system

#96
20050139061
2005-06-30

Stackable actuator housing

#97
20050092079
2005-05-05

Diaphragm monitoring for flow control devices

#98
20050034772
2005-02-17

Relay valve

#99
16447786
2020-11-10

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