Patents-Review.com
ClassID:

152461 ⎘

F16K31/124 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260043422
2026-02-12

Energy Storage and Control System for Pipeline Flow Control

 #2
20250155048
2025-05-15

PULSE GENERATING SYSTEM FOR A PULSED WORKING FLUID SUPPLY, AND INDUSTRIAL MACHINE COMPRISING SUCH A SYSTEM

 #3
20250137547
2025-05-01

SINGLE STAGE SERVO VALVE ASSEMBLY

 #4
20240418291
2024-12-19

Flow Control Valve with Rolling Diaphragm

 #5
20240413362
2024-12-12

FUEL CELL SYSTEM, GAS TANK DEVICE, AND BLOCKING DEVICE FOR A GAS TANK DEVICE

 #6
20240353021
2024-10-24

SINGLE STAGE SERVO VALVE ASSEMBLY

 #7
20240328536
2024-10-03

Emergency isolation valve control design

 #8
20240295107
2024-09-05

PNEUMATIC DRAIN VALVE DRIVING DEVICE

 #9
20240019043
2024-01-18

VALVE DEVICE

 #10
20230400042
2023-12-14

Servo valve flapper and nozzle structure

 #11
20230375104
2023-11-23

Solenoid operated pressure cartridge for inflation system

 #12
20230341065
2023-10-26

Pressure regulating shut-off valve

 #13
20230204128
2023-06-29

DIAGNOSIS APPARATUS, DIAGNOSIS METHOD, AND DIAGNOSIS PROGRAM FOR VALVE SYSTEM

 #14
20230204123
2023-06-29

Device for controlling fluid flow

 #15
20230140241
2023-05-04

Spool valve

 #16
20230123407
2023-04-20

SHUT-OFF VALVE FOR A FUEL CELL SYSTEM, AND FUEL CELL SYSTEM

 #17
20220349486
2022-11-03

MODULATING PILOT VALVE ADAPTER

 #18
20220349348
2022-11-03

System and method for controlling dual starter air valve

 #19
20220314266
2022-10-06

Liquid dispensing systems with reduced noise levels

 #20
20220229452
2022-07-21

Actuator for a pilot valve

 #21
20220196040
2022-06-23

Servo valve flapper and nozzle structure

 #22
20220034410
2022-02-03

Proportional valve

 #23
20210301929
2021-09-30

Slit valve pneumatic control

 #24
20210270386
2021-09-02

Device for controlling fluid flow

 #25
20210270385
2021-09-02

Servo valve

 #26
20210095777
2021-04-01

Safety valve

 #27
20210077937
2021-03-18

Pulse valve

 #28
20210041038
2021-02-11

Arrangement with on/off valve, pneumatic actuator, magnetic valve and function monitoring device

 #29
20200408104
2020-12-31

System and method for controlling dual starter air valve

 #30
20200398809
2020-12-24

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

 #31
20200393051
2020-12-17

Valve device

 #32
20200309284
2020-10-01

Spool servo valve

 #33
20200158255
2020-05-21

Pilot actuated control pilot for operating valve

 #34
20200056636
2020-02-20

Hydraulic servo valve

 #35
20200025295
2020-01-23

ASSEMBLY FOR USE IN A SERVOVALVE

 #36
20200003326
2020-01-02

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

 #37
20190368631
2019-12-05

Method for monitoring a mechanical system

 #38
20190368343
2019-12-05

Hydraulically assisted pulser system and related methods

 #39
20190353273
2019-11-21

Double action direction fluid flow valve

 #40
20190277423
2019-09-12

Servovalve

 #41
20190232312
2019-08-01

Switching valve and intermittent air blow gun

 #42
20190211943
2019-07-11

Closed center pressure flow control valve

 #43
20190211941
2019-07-11

SYSTEM AND VALVE FOR WATER USE MONITORING AND CONTROL

 #44
20190211673
2019-07-11

Hydraulically assisted pulser system and related methods

 #45
20190154157
2019-05-23

Poppet valve system and process

 #46
20190145542
2019-05-16

Control of supply of air to a pneumatic valve actuator

 #47
20190128439
2019-05-02

Pressure-balanced push-type manual actuation mechanism for a valve

 #48
20190063622
2019-02-28

Variable orifice flow control device

 #49
20190062084
2019-02-28

Device for gas and/or vacuum distribution, suction unit, feeder, sheet processing machine and method for piloting a device for gas and/or vacuum distribution

 #50
20180372128
2018-12-27

Servovalve

 #51
20180355996
2018-12-13

Double action direction fluid flow valve

 #52
20180348797
2018-12-06

FLUID CONTROL VALVE DEVICE

 #53
20180341279
2018-11-29

Pneumatic inflation system

 #54
20180245700
2018-08-30

Pressure reducing valve unit

 #55
20180237129
2018-08-23

Method and apparatus for determining a movement direction of a component of a mechanism

 #56
20180230852
2018-08-16

System and method for controlling dual starter air valve

 #57
20180216742
2018-08-02

System and valve for water use monitoring and control

 #58
20180156345
2018-06-07

Oil controlled valve

 #59
20180142802
2018-05-24

Valve for use in the feed pipe or return pipe of a heating or cooling water circuit

 #60
20180052475
2018-02-22

Poppet valve

 #61
20180051817
2018-02-22

Servo valve spool

 #62
20180038504
2018-02-08

Pneumatic mixing valve

 #63
20170363222
2017-12-21

Retarder control valve assembly and system for rail cars

 #64
20170336812
2017-11-23

Pressure regulation valve

 #65
20170335775
2017-11-23

Solenoids for gas turbine engine bleed valves

 #66
20170261111
2017-09-14

Slide flow distributor

 #67
20170254431
2017-09-07

Closed center pressure flow control valve

 #68
20170227134
2017-08-10

Adjustable pilot operated flow control valve

 #69
20170219259
2017-08-03

Expansion valve

 #70
20170211719
2017-07-27

Extended stroke, high flow, valve and the assembly made therewith

 #71
20170175921
2017-06-22

Double action direction fluid flow valve

 #72
20170138488
2017-05-18

Six-way directional valve

 #73
20170082122
2017-03-23

Control valve compensation system

 #74
20170002932
2017-01-05

Low leak pilot operated spool valve

 #75
20160332355
2016-11-17

A VALVE FOR A BLOW MOLDING MACHINE AND A METHOD FOR ACTUATING A VALVE FOR A BLOW MOLDING MACHINE

 #76
20160327177
2016-11-10

Double action direction fluid flow valve

 #77
20160327168
2016-11-10

Flow passage switching unit

 #78
20160319939
2016-11-03

High-flow valve arrangement in steam turbine safety system

 #79
20160265679
2016-09-15

Recirculation valve

 #80
20160258250
2016-09-08

Multiple piston assembly for safety valve

 #81
20160202708
2016-07-14

Fluid activated flow control apparatus

 #82
20160153578
2016-06-02

Slow-shift SPM valve

 #83
20160146374
2016-05-26

Variable flow valve having metered flow orifice

 #84
20160069465
2016-03-10

HYDRAULIC CONTROL VALVE AND HYDRAULIC CONTROL DEVICE

 #85
20150204454
2015-07-23

Fluid activated flow control apparatus

 #86
20150176720
2015-06-25

SERVO VALVES

 #87
20150159771
2015-06-11

Valve for fuel circuit of an aircraft engine

 #88
20150144816
2015-05-28

Gate valve with pneumatic system for shearing application

 #89
20150122349
2015-05-07

Retarder control valve assembly and system for rail cars

 #90
20150097306
2015-04-09

VALVE DEVICE FOR CONTROLLED INTRODUCTION OF A BLOWING MEDIUM

 #91
20150096636
2015-04-09

Engine valvetrain oil control valve

 #92
20150069828
2015-03-12

Pressure regulator and hydraulic brake system equipped with the pressure regulator

 #93
20150027557
2015-01-29

Electronically controlled pressure relief valve

 #94
20150013805
2015-01-15

Change-over valve

 #95
20140361202
2014-12-11

Fault tolerant airflow control system

 #96
20140299799
2014-10-09

Spool valve

 #97
20140284507
2014-09-25

AUXILIARY VALVE CONTROLLED SELF-CLEANING MAIN VALVE

 #98
20140246613
2014-09-04

Adapter for an assembly having a valve and a positioner

 #99
20140224343
2014-08-14

Anti-cavitation throttle valve and method of operating the same

 #100
20140174564
2014-06-26

Valve module

 #101
20140110612
2014-04-24

Hydraulic high pressure valve controller using the in-situ pressure difference

 #102
20140102386
2014-04-17

Pressure pulse generator

 #103
20130319535
2013-12-05

Process fluid actuated pilot operated control valve

 #104
20130276921
2013-10-24

Valve manifold

 #105
20130168580
2013-07-04

Fail-safe apparatus for use with fluid valves

 #106
20130048889
2013-02-28

Control valve

 #107
20130008519
2013-01-10

Electronically controlled pressure relief valve

 #108
20130001453
2013-01-03

Fluid control device and flow rate control apparatus

 #109
20120326070
2012-12-27

Double action directional fluid flow valve

 #110
20120060941
2012-03-15

Pneumatically detented pilot valve

 #111
20120018003
2012-01-26

Latching valve

 #112
20120001370
2012-01-05

Pressure adjustment device in stretch blow moulding machines

 #113
20110315904
2011-12-29

Pneumatic actuator and method for operating the pneumatic actuator

 #114
20110303301
2011-12-15

Pressure management hydraulic control valve

 #115
20110291034
2011-12-01

HYDRAULIC VALVE ASSEMBLY HAVING A CARTRIDGE INSERT VALVE EXHIBITING A CLOSING ELEMENT ARRANGED IN A PRESSURE EQUALIZED MANNER

 #116
20110232320
2011-09-29

Flow reversing valve and heat pump device using same

 #117
20110180736
2011-07-28

Two-way high-pressure solenoid valve

 #118
20100319662
2010-12-23

EGR valve device

 #119
20100243068
2010-09-30

Servo pressure control valve

 #120
20100236651
2010-09-23

Valve damping system

 #121
20100059125
2010-03-11

Balanced pilot operated check valve

 #122
20100051110
2010-03-04

GAS ACTUATED VALVE

 #123
20100043899
2010-02-25

Arrangement for controlling flow of fluid to a gas turbine engine component

 #124
20100043895
2010-02-25

Valve assembly with low resistance pilot shifting

 #125
20100032595
2010-02-11

Exhaust venting for a fluid control device

 #126
20100012204
2010-01-21

Valve manifold

 #127
20090294709
2009-12-03

Two step valve actuator

 #128
20090293971
2009-12-03

Valve having integrated pressure assist mechanism

 #129
20090272442
2009-11-05

Fluid flow control device

 #130
20090212244
2009-08-27

Pilot operated valve with fast closing poppet

 #131
20090173900
2009-07-09

Self-regulating valve for controlling the gas flow in high pressure systems

 #132
20090072180
2009-03-19

Double action directional fluid flow valve

 #133
20080251144
2008-10-16

Cutback poppet valve

 #134
20080196773
2008-08-21

Ventline control valve assembly

 #135
20080006658
2008-01-10

Solenoid control valve with quick-connect fittings for mating with an adhesive control module assembly of a hot melt adhesive dispensing system

 #136
20070186977
2007-08-16

Hydrant valve pilot with detachable actuator

 #137
20070007474
2007-01-11

Pilot-type two-port valve

 #138
20060284135
2006-12-21

Pilot-type two-port valve

 #139
20060243937
2006-11-02

Hydraulic override

 #140
17895673
2023-12-26

Filter assembly for a servovalve