ClassID:

152463

F16K31/126 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like

Sub-classes:
Recent Application in this class:
#1
20250271077
2025-08-28

METHOD OF PNEUMATICALLY OPERATING A VALVE USING GAS WITHOUT EMITTING GREENHOUSE EMISSIONS

#2
20250239389
2025-07-24

SWITCH ASSEMBLIES OF SUPERCONDUCTING MAGNET ASSEMBLIES AND RECONFIGURABLE SUPERCONDUCTING MAGNET ASSEMBLIES OF A CRYOGENIC SYSTEM

#3
20250223981
2025-07-10

CORRUGATED DIAPHRAGM ACTUATOR

#4
20250198540
2025-06-19

PNEUMATIC ACTUATOR DAMPENER SYSTEM AND METHOD

#5
20250179899
2025-06-05

INJECTION PRESSURE OPERATED GAS LIFT VALVE AND METHODS OF USE

#6
20250116338
2025-04-10

DOUBLE BELLOWS VALVE FOR PREVENTING UNDESIRED VALVE FAILURE POSITIONS

#7
20250043884
2025-02-06

ANTI-BLOCKAGE PIPELINE STRUCTURE WITH VALVE

#8
20240426392
2024-12-26

BALL SEAL FOR THERMAL SENSOR ASSEMBLY OF THERMOSTATIC EXPANSION VALVE

#9
20240360913
2024-10-31

COMBINATION REGULATOR VALVE

#10
20240353026
2024-10-24

CRYOGENIC VALVE

#11
20240329667
2024-10-03

DIAPHRAGM CHECK VALVE

#12
20240255059
2024-08-01

DOUBLE BELLOWS VALVE FOR PREVENTING UNDESIRED VALVE FAILURE POSITIONS

#13
20240233995
2024-07-11

SWITCH ASSEMBLIES OF SUPERCONDUCTING MAGNET ASSEMBLIES AND RECONFIGURABLE SUPERCONDUCTING MAGNET ASSEMBLIES OF A CRYOGENIC SYSTEM

#14
20240191814
2024-06-13

VALVE WITH STEPPED BUSHING DESIGN

#15
20240136097
2024-04-25

Switch assemblies of superconducting magnet assemblies and reconfigurable superconducting magnet assemblies of a cryogenic system

#16
20240055278
2024-02-15

GAS SUPPLY APPARATUS, VACUUM PROCESSING APPARATUS, AND GAS SUPPLY METHOD

#17
20230417332
2023-12-28

Bioprocess flow system

#18
20230393592
2023-12-07

Diaphragm check valve

#19
20230383770
2023-11-30

SAFETY VALVE ARRANGEMENT AND ACTUATOR SYSTEM

#20
20230235834
2023-07-27

Actuator for a process plant

#21
20230228343
2023-07-20

Fluid shut-off device

#22
20230175597
2023-06-08

Pinch valve assembly

#23
20230136072
2023-05-04

Valve and fluid control device with a magnetic indicator

#24
20230041598
2023-02-09

Housing having a pressure compensation device

#25
20230010860
2023-01-12

DRIVE SYSTEM FOR A PANTOGRAPH, AND METHOD FOR RAISING OR LOWERING

#26
20220325802
2022-10-13

Valve device

#27
20220307354
2022-09-29

Gas lift valve with two simultaneous mechanical stops

#28
20220299130
2022-09-22

Corrugated diaphragm actuator

#29
20220282372
2022-09-08

Vacuum valve and apparatus for fabricating semiconductor having the same

#30
20220259740
2022-08-18

SUBSTRATE PROCESSING DEVICE

#31
20220252182
2022-08-11

Remote seals for self-regulating valves

#32
20220252061
2022-08-11

Contractile device for use as an actuator, pump or compressor

#33
20220213970
2022-07-07

Combination regulator valve

#34
20220205467
2022-06-30

High-pressure fluid discharge device

#35
20220205434
2022-06-30

Balanced pressure two-zone fluidic valve with shape memory alloy control element

#36
20220187853
2022-06-16

Diaphragm check valve

#37
20220112959
2022-04-14

Inversion inhibitor for fluid control valve and methods of fluid control

#38
20220057014
2022-02-24

Pressure regulator for gas distribution system and pilot device for piloting pressure regulators

#39
20220004211
2022-01-06

Adjustable deadband control system

#40
20210356051
2021-11-18

Condensate drain valve

#41
20210340848
2021-11-04

Gas lift valve with dual fortress seal

#42
20210215014
2021-07-15

Adjustable fracturing system

#43
20210148290
2021-05-20

Bellows-enabled bleed valve

#44
20210138620
2021-05-13

Flow control valve assembly and complementary adjustment tool set

#45
20210131583
2021-05-06

Valve device and fluid control device

#46
20210116039
2021-04-22

Diaphragm valve and mass flow controller using the same

#47
20210062923
2021-03-04

Methods and systems for dual force valve actuation

#48
20210048017
2021-02-18

Capacity control valve having an auxiliary communication part allowing communication with an intermediate passage

#49
20210018115
2021-01-21

Dual purpose position indicator

#50
20210017830
2021-01-21

Hydraulic fracturing system, apparatus, and method

#51
20200347956
2020-11-05

Pilot-operated pressure regulator

#52
20200309105
2020-10-01

Capacity control valve and method for controlling capacity control valve

#53
20200278043
2020-09-03

Combination regulator valve

#54
20200256149
2020-08-13

Large bore plug valve

#55
20200240441
2020-07-30

Constructing valve positioners for hazardous areas

#56
20200232566
2020-07-23

Pressure relief valve apparatus, system and method

#57
20200201362
2020-06-25

Diaphragm check valve

#58
20200173825
2020-06-04

Apparatus for measuring a fluid flow through a pipe of a semiconductor manufacturing device

#59
20200115986
2020-04-16

Hydraulic fracturing system, apparatus, and method

#60
20200080650
2020-03-12

Fluid control valve having diaphragm that exclusively biases to closed position and methods of fluid control

#61
20200080649
2020-03-12

Diaphragm lip and seal for fluid control valve and methods of fluid control

#62
20200064872
2020-02-27

Remote gas regulating and control systems and related devices

#63
20200041027
2020-02-06

Valve system with isolation device

#64
20200011436
2020-01-09

Diaphragm for fluid control valve and methods of fluid control

#65
20190339726
2019-11-07

Regulator stability in a pressure regulated storage vessel

#66
20190338858
2019-11-07

High pressure detachable/retractable stopper plug

#67
20190332130
2019-10-31

Flow and pressure stabilization systems, methods, and devices

#68
20190331104
2019-10-31

VARIABLE-CAPACITY COMPRESSOR CONTROL VALVE AND METHOD FOR ASSEMBLING THE SAME

#69
20190316706
2019-10-17

Method for monitoring a device for regulating the flow of a gas and a regulating system employing said method

#70
20190309861
2019-10-10

Inversion inhibitor for fluid control valve and methods of fluid control

#71
20190301631
2019-10-03

Pressure independent control valve with an electronic control system

#72
20190278309
2019-09-12

Pressure relief valve apparatus, system and method

#73
20190271605
2019-09-05

Pressure modulator

#74
20190271403
2019-09-05

Fluid control valve and fluid control device

#75
20190257440
2019-08-22

Flow control device with flow adjustment mechanism

#76
20190255843
2019-08-22

Flow path members, liquid ejecting heads, and liquid ejecting apparatuses

#77
20190234526
2019-08-01

FLUSH VALVE AND PUMP STATION COMPRISING SUCH A FLUSH VALVE

#78
20190234171
2019-08-01

Hydraulic fracturing system, apparatus, and method

#79
20190211941
2019-07-11

SYSTEM AND VALVE FOR WATER USE MONITORING AND CONTROL

#80
20190193702
2019-06-27

Air brake relay valve

#81
20190138032
2019-05-09

Diaphragm check valve

#82
20190136997
2019-05-09

Line replaceable control valve positioner/controller system

#83
20190072194
2019-03-07

Adjustable deadband control system

#84
20190063470
2019-02-28

Fluid-actuated diaphragm drive, and valve arrangement which is equipped therewith

#85
20190056756
2019-02-21

Flow and pressure stabilization systems, methods, and devices

#86
20190056041
2019-02-21

Diaphragm valve with total valve cavity evacuation

#87
20190032814
2019-01-31

Detecting and signaling system

#88
20190011938
2019-01-10

Actuating drive device process valves

#89
20190003400
2019-01-03

NEGATIVE PRESSURE TYPE ACTUATOR AND ENGINE GAS-EXHAUSTION DEVICE PROVIDED WITH NEGATIVE PRESSURE TYPE ACTUATOR

#90
20180355997
2018-12-13

Pressure independent control valve with an electronic control system

#91
20180328515
2018-11-15

Vacuum-tight angle valve with sliding-block guide drive

#92
20180292020
2018-10-11

Pressure-compensation device for a housing

#93
20180264836
2018-09-20

Flexible membrane mechanism, flow path member, and liquid ejecting apparatus

#94
20180238464
2018-08-23

Flow regulator

#95
20180216743
2018-08-02

Flexible sealing ring for valves

#96
20180216742
2018-08-02

System and valve for water use monitoring and control

#97
20180202361
2018-07-19

PRESSURE RESPONSIVE VALVE FOR A COOLING FLOW IN A GAS TURBINE

#98
20180179746
2018-06-28

Bidet and backflow preventing member therefor

#99
20180156355
2018-06-07

Noise-dampening pressure relief valve

#100
20180140979
2018-05-24

Valve

#101
20180079088
2018-03-22

Suction device

#102
20180062134
2018-03-01

Housing comprising overpressure protection

#103
20180045227
2018-02-15

Fluid valve assembly and a process valve positioner

#104
20170370480
2017-12-28

LARGE BORE PLUG VALVE

#105
20170370199
2017-12-28

Hydraulic fracturing system, apparatus, and method

#106
20170370172
2017-12-28

Adjustable fracturing system

#107
20170363118
2017-12-21

Diaphragm for pneumatic controller

#108
20170335982
2017-11-23

Adjustable deadband control system

#109
20170314374
2017-11-02

VARIABLE APERTURE FLOW CONTROL MECHANISM FOR GAS LIFT VALVES

#110
20170241856
2017-08-24

Pressure modulator

#111
20170175922
2017-06-22

SELF CLEANING PILOT ACTUATED HYDRAULIC VALVE

#112
20170137701
2017-05-18

Automatic flow control in mixing fracturing gel

#113
20170108149
2017-04-20

Fluidic device

#114
20170100886
2017-04-13

System and method for forming a diaphragm by three-dimensional printing

#115
20170089486
2017-03-30

Flow-control device with reduced weight

#116
20170086321
2017-03-23

Self-energizing sealing mechanisms

#117
20170052548
2017-02-23

Control valve

#118
20170008752
2017-01-12

Disposable valve and flexible containers for pressurized bioreactors

#119
20160340880
2016-11-24

Hydraulic valve adapter

#120
20160290527
2016-10-06

Hydraulic valve adapter

#121
20160286744
2016-10-06

Valve apparatus

#122
20160265680
2016-09-15

Device for blocking a flow passage using an inflatable bag

#123
20160201576
2016-07-14

Flexure for metering valve assembly with retaining feature

#124
20160161009
2016-06-09

Valve

#125
20160160481
2016-06-09

Mechanical touch faucet

#126
20160146369
2016-05-26

Pressure modulator

#127
20160145983
2016-05-26

Lift valve with bellow hydraulic protection and chatter reduction

#128
20160123498
2016-05-05

Micro-electric mechanical system control valve and method for controlling a sensitive fluid

#129
20160069475
2016-03-10

Valve having a leakage indicator

#130
20160069470
2016-03-10

HYDRAULIC VALVE

#131
20160069469
2016-03-10

Fluid regulator having a retractable sense tube

#132
20160054742
2016-02-25

Control valve

#133
20160047479
2016-02-18

Governor

#134
20150369383
2015-12-24

Check valve for ventilation or outlet openings of compressed air apparatuses in vehicles

#135
20150369379
2015-12-24

Diaphragm valve with dual point seal and floating diaphragm web

#136
20150361387
2015-12-17

Biochemical cartridge, and biochemical cartridge and cartridge holder set

#137
20150354722
2015-12-10

Actuator

#138
20150345656
2015-12-03

Gas turbine engine fluid supply system having at least one airbag, and method for maintaining non-interrupted circulating turbomachine fluid flow during a non-positive G-force event

#139
20150345654
2015-12-03

Force actuated control valve

#140
20150337982
2015-11-26

WATER VALVE WITH SUPPORTED OPENING FUNCTION

#141
20150277449
2015-10-01

Pressure regulator

#142
20150267822
2015-09-24

VALVE

#143
20150253786
2015-09-10

High pressure valve assembly

#144
20150247580
2015-09-03

Assembly-Free Additively-Manufactured Fluidic Control Elements

#145
20150190945
2015-07-09

Component feed nozzle

#146
20150184762
2015-07-02

Reversible cavitary tension membrane

#147
20150069276
2015-03-12

Actuator

#148
20150053307
2015-02-26

Disposable valve and flexible containers for pressurized bioreactors

#149
20150028245
2015-01-29

External seal structure of vacuum valve

#150
20150021501
2015-01-22

Fluid handling device and fluid handling method

#151
20140346384
2014-11-27

Positioning device for pressure regulator

#152
20140328707
2014-11-06

Pump module, pump base module and pump system

#153
20140312259
2014-10-23

Positioning device for a process plant

#154
20140295310
2014-10-02

Valve and fuel cell system

#155
20140264104
2014-09-18

Fluid control valve system and methods

#156
20140264103
2014-09-18

Shaped Diaphragm with Retaining Feature

#157
20140261743
2014-09-18

Water valve with supported opening function

#158
20140261724
2014-09-18

Balanced port sense profile for improved capacity performance

#159
20140197339
2014-07-17

Lifting gate polydimethylsiloxane microvalves and pumps for microfluidic control

#160
20140166131
2014-06-19

Swivel top shaft valve actuator

#161
20140166130
2014-06-19

ANTI-SURGE VALVE

#162
20140014859
2014-01-16

Actuator apparatus having internal passageways

#163
20140014202
2014-01-16

Irrigation valve

#164
20130308414
2013-11-21

Automatic flow control in mixing fracturing gel

#165
20130150779
2013-06-13

Active drainage systems with dual-input pressure-driven valves

#166
20130015377
2013-01-17

Actuator

#167
20130011284
2013-01-10

Pump module, pump base module and pump system

#168
20120328834
2012-12-27

Microfabricated elastomeric valve and pump systems

#169
20120241023
2012-09-27

CONTROL VALVE DEVICE

#170
20120234407
2012-09-20

Pressure regulator

#171
20120207636
2012-08-16

Pump module, pump base module and pump system

#172
20120207635
2012-08-16

Pump module, pump module and pump system

#173
20120175545
2012-07-12

Valve stem connection structure of pressure reducing valve and method therefor

#174
20120163999
2012-06-28

Pump module, pump base module and pump system

#175
20120161056
2012-06-28

Valve

#176
20120138172
2012-06-07

Hydrogen-generating fuel cell cartridges

#177
20120122005
2012-05-17

Valve for fuel cell, and fuel cell vehicle

#178
20120074339
2012-03-29

REGULATING VALVE DEVICE

#179
20120058409
2012-03-08

Hydrogen/gas pressure controlled high pressure tank valves architecture

#180
20120001102
2012-01-05

HIGHLY CLEAN AND HOT VALVE

#181
20110015792
2011-01-20

METHOD FOR IDENTIFICATION OF PNEUMATIC DRIVES

#182
20100317276
2010-12-16

Control unit for actuating a pressure valve, in particular a differential pressure valve of an aircraft cabin

#183
20100200782
2010-08-12

Microfabricated Elastomeric Valve And Pump Systems

#184
20100179697
2010-07-15

Method for position-dependent electronic wear state determination of a valve mechanism, and a pneumatic valve

#185
20100175767
2010-07-15

Microfabricated elastomeric valve and pump systems

#186
20100139784
2010-06-10

FLOAT-CONTROLLED WATER INFLOW SWITCHING DEVICE FOR WATER PUMP

#187
20100092821
2010-04-15

Valve for fuel cell, and fuel cell vehicle

#188
20100059699
2010-03-11

Temperature compensated valve for gas chromatography

#189
20090146088
2009-06-11

Method for operation of a position regulator

#190
20080294293
2008-11-27

Fluid controller

#191
20080277608
2008-11-13

Method for operation of an actuating drive

#192
20080257428
2008-10-23

ACTUATING DRIVE

#193
20080236194
2008-10-02

Cryogenic Flow Valve System

#194
20080210322
2008-09-04

Microfabricated elastomeric valve and pump systems

#195
20080210321
2008-09-04

MICROFABRICATED ELASTOMERIC VALVE AND PUMP SYSTEMS

#196
20080210320
2008-09-04

MICROFABRICATED ELASTOMERIC VALVE AND PUMP SYSTEMS

#197
20080210319
2008-09-04

Microfabricated elastomeric valve and pump systems

#198
20080197310
2008-08-21

Valve flow adjustment device

#199
20080197307
2008-08-21

VALVE FLOW ADJUSTMENT DEVICE

#200
20080078460
2008-04-03

Positioning device for pressure regulator

#201
20070295927
2007-12-27

Pressure-balanced valve and actuator assembly in a process control system and method

#202
20070018132
2007-01-25

Multi-pitch threaded coupling

#203
20060162783
2006-07-27

Field unit for mounting on an actuator

#204
20060054228
2006-03-16

Method of forming a via in a microfabricated elastomer structure

#205
20060022163
2006-02-02

Forged aluminum actuator casing for use with fluid valves

#206
20050226742
2005-10-13

Microfabricated elastomeric valve and pump systems

#207
20050155777
2005-07-21

Diaphragm valve with pivoting closure member

#208
20050112882
2005-05-26

Microfabricated elastomeric valve and pump systems

#209
20050028870
2005-02-10

Vacuum demand flow valve

#210
20050005633
2005-01-13

Pneumatically actuated multi-way valve and refrigerating machine with multi-way valve

#211
18058459
2023-10-10

Valve assembly

#212
18050899
2024-05-14

Fluidic devices

#213
17531503
2022-12-06

Fluidic devices and related methods and wearable devices

#214
17357325
2022-06-07

Valve core with a flow-through rod

#215
16688575
2021-12-21

Co-casted fluidic devices

#216
15830729
2020-02-18

Fluidic oscillator device

#217
15809450
2020-03-17

Composable PFET fluidic device

#218
15706578
2019-12-10

Co-casted fluidic devices