ClassID:

188522

G05D16/103 - CPC Classification

Classification description:

Control of fluid pressure without auxiliary power the sensing element being a piston or plunger the sensing element placed between the inlet and outlet

Sub-classes:
Recent Application in this class:
#1
20260118895
2026-04-30

PRESSURE REDUCING VALVE AND VALVE DEVICE

#2
20260044161
2026-02-12

PRESSURE REGULATOR

#3
20260023401
2026-01-22

REGULATOR FOR HEAVY-DUTY VEHICLE TIRE INFLATION SYSTEMS

#4
20260010184
2026-01-08

Regulating Valve for an Oil System

#5
20250369544
2025-12-04

EXPANDABLE HOSE

#6
20250283675
2025-09-11

WATER BLOCK PRESSURE REGULATION STRUCTURE

#7
20250282035
2025-09-11

APPARATUS FOR TIGHTENING THREADED FASTENERS

#8
20250181086
2025-06-05

FLOW CONTROL VALVE AND SPA RECIRCULATION SYSTEM WITH HEAT PUMP USING THE VALVE

#9
20250103071
2025-03-27

PRESSURE REGULATOR AND METHOD FOR FLUID PRESSURE REGULATION

#10
20250076904
2025-03-06

PRESSURE REGULATOR

#11
20250041814
2025-02-06

Valve Device for Injecting Gas into a Mixing Chamber of a Plastic Metering Device, and Plastic Metering Device

#12
20250021114
2025-01-16

Counterbalance valve with enhanced pressure sensing features

#13
20250004488
2025-01-02

PRESSURE CONTROL VALVE

#14
20240424244
2024-12-26

VALVE

#15
20240402734
2024-12-05

HIGH-PRESSURE LABOR-SAVING PRESSURE REGULATOR

#16
20240288888
2024-08-29

PRESSURE REDUCER ASSEMBLY

#17
20240241528
2024-07-18

Adjustable multistage pressure reducing regulator with augmented thermal control

#18
20240201715
2024-06-20

Flow control valve and spa recirculation system with heat pump using the valve

#19
20240192709
2024-06-13

FLUID FLOW THROTTLE VALVE

#20
20240167596
2024-05-23

EXPANDABLE HOSE

#21
20240151315
2024-05-09

Pressure Valve for a Liquid

#22
20240151012
2024-05-09

SANITARY UNIT COMPRISING A PRESSURE-REDUCING VALVE

#23
20240118718
2024-04-11

PRESSURE-REDUCING VALVE

#24
20240019038
2024-01-18

Pressure reduction valve

#25
20240010178
2024-01-11

PNEUMATIC PRESSURE CONTROL VALVE FOR A BRAKE CONTROL SYSTEM OF A RAIL VEHICLE, AND PNEUMATIC CONTROL VALVE FOR A BRAKE CONTROL SYSTEM OF A RAIL VEHICLE

#26
20230409055
2023-12-21

Pressure regulator and method for fluid pressure regulation

#27
20230390903
2023-12-07

APPARATUS FOR TIGHTENING THREADED FASTENERS

#28
20230358334
2023-11-09

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

#29
20230324933
2023-10-12

PRESSURE SENSING AND REGULATING SYSTEM

#30
20230205238
2023-06-29

Gas pressure regulating device for vehicle

#31
20230163327
2023-05-25

VALVE FOR FUEL CELL VEHICLE SYSTEMS WITH SECONDARY SAFETY DEVICE

#32
20230109834
2023-04-13

Pressure regulator and method for fluid pressure regulation

#33
20230096619
2023-03-30

Adjustable multistage pressure reducing regulator

#34
20230063231
2023-03-02

Pressure-regulating device, systems including the pressure-regulating device, and related methods

#35
20230063065
2023-03-02

Hybrid Flow and Pressure Regulation

#36
20230026991
2023-01-26

OIL PRESSURE SUPPLY DEVICE

#37
20220283598
2022-09-08

Pressure regulating valve and pressure regulator

#38
20220260165
2022-08-18

Valve, device for regulating the pressure of a flow medium using the valve, and device for securing the valve in a transmission component

#39
20220243834
2022-08-04

Pressure valve for a liquid

#40
20220105321
2022-04-07

PRESSURE REGULATOR FOR VERIFYING THE INFLATION OF BALLOONS OF ENDOTRACHEAL CANNULAS OR TUBES

#41
20220057817
2022-02-24

Externally adjustable pressure regulator

#42
20220049722
2022-02-17

Multi-function orifice subassembly for flow limiters

#43
20210405668
2021-12-30

Adjustable multistage pressure reducing regulator

#44
20210404584
2021-12-30

Expandable hose

#45
20210365056
2021-11-25

Pressure reducing and relief valve

#46
20210365055
2021-11-25

Pressure reducing and relief valve

#47
20210341109
2021-11-04

Gas pressure reducer with integrated shut-off valve

#48
20210300175
2021-09-30

Fuel supply device

#49
20210223758
2021-07-22

Adjustable fluidic oscillators

#50
20210132639
2021-05-06

Externally adjustable pressure regulator

#51
20210116947
2021-04-22

Pressure-regulating valve

#52
20210089062
2021-03-25

Adjustable multistage pressure reducing regulator

#53
20210072774
2021-03-11

Pressure regulator for fuel cell system

#54
20210069644
2021-03-11

Variable drain flow restrictor

#55
20200379490
2020-12-03

Pressure-regulating device, systems including the pressure-regulating device, and related methods

#56
20200378511
2020-12-03

Pressure relief valve

#57
20200300379
2020-09-24

GAS VALVE

#58
20200088312
2020-03-19

Regulable pressure relief valve for a draft beer fresh-keeping keg

#59
20200026313
2020-01-23

Pressure reducing valve with shut off

#60
20200004274
2020-01-02

Pressure regulating valve with multi-faced piston and fluid boost chamber

#61
20190384331
2019-12-19

Pressure regulator having single strut seat with strut coaxial to plunger

#62
20190317534
2019-10-17

Multi-function pressure regulation valve

#63
20190282960
2019-09-19

Variable drain flow restrictor

#64
20190271409
2019-09-05

Valve body having primary and secondary stem guides

#65
20190226355
2019-07-25

Methods and apparatus to diagnose a pneumatic actuator-regulating accessory

#66
20190212758
2019-07-11

Pressure regulator with reconfigurable hydraulic dampening

#67
20190186638
2019-06-20

Inlet pressure compensation for a valve system

#68
20190179348
2019-06-13

Pressure-regulating device, systems including the pressure-regulating device, and related methods

#69
20190168039
2019-06-06

AIR-PRESSURE CONTROLLED PISTON AND VALVE CONFIGURATION

#70
20190120393
2019-04-25

Compressed natural gas (CNG) pressure regulator

#71
20190101942
2019-04-04

Regulator

#72
20190093452
2019-03-28

Pressure regulator with user selectable dampening

#73
20190047125
2019-02-14

Apparatus for tightening threaded fasteners

#74
20180363790
2018-12-20

UNIVERSAL AIR PRESSURE VALVE MODULE

#75
20180259981
2018-09-13

Pressure-regulating valves

#76
20180259083
2018-09-13

Valve body having primary and secondary stem guides

#77
20180259078
2018-09-13

Spring seat for an internal valve

#78
20180253113
2018-09-06

Pressure regulator having single strut seat with strut coaxial to plunger

#79
20180231128
2018-08-16

Inlet pressure compensation for a valve system

#80
20180224870
2018-08-09

Velocity and pressure equalization ports

#81
20180202470
2018-07-19

Valve

#82
20180160691
2018-06-14

Dehider regulator valve

#83
20180106390
2018-04-19

Compressed natural gas (CNG) pressure regulator

#84
20180074529
2018-03-15

PRESSURE-REDUCING VALVE

#85
20180032093
2018-02-01

Pressure balancing mixing valve and water valve including the same

#86
20180024576
2018-01-25

Stable Pressure Regulator Apparatus

#87
20170370488
2017-12-28

Fluid pressure regulator with reverse flow capability

#88
20170297878
2017-10-19

Air pressure controller

#89
20170285667
2017-10-05

Pressure regulating valve

#90
20170211906
2017-07-27

Pneumatic valve and regulator having rotating collar

#91
20170204982
2017-07-20

Fluid control assemblies and flow path inserts

#92
20170159835
2017-06-08

PRESSURE LIMITING VALVE

#93
20170115673
2017-04-27

Pressure regulating valve

#94
20170114924
2017-04-27

Pressure reducing valve

#95
20170067563
2017-03-09

Pressure reducer with cap-shaped movable chamber

#96
20170060147
2017-03-02

BACK PRESSURE CONTROL REGULATOR WITH IN-LINE OVERPRESSURE RELIEF

#97
20170028352
2017-02-02

Variable drain flow restrictor

#98
20160370812
2016-12-22

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

#99
20160291612
2016-10-06

Pressure reducer

#100
20160282884
2016-09-29

Pressure regulator having single strut seat with strut coaxial to plunger

#101
20160246311
2016-08-25

Pressure Regulator

#102
20160246310
2016-08-25

Pressure regulator

#103
20160246309
2016-08-25

Pressure Regulator

#104
20160224035
2016-08-04

Mechanism and method to adjust size of balanced valve

#105
20160215741
2016-07-28

Fuel pressure regulator

#106
20160124441
2016-05-05

Pressure equalizing insert

#107
20160048138
2016-02-18

Compact Inverted Pressure Regulator for Dispensing a Gas

#108
20160018824
2016-01-21

Flow regulator

#109
20150338857
2015-11-26

Pressure-regulating valves

#110
20150309515
2015-10-29

DUAL PRESSURE SHUTTLE VALVE

#111
20150293539
2015-10-15

Pressure regulator having single strut seat with strut coaxial to plunger

#112
20150277451
2015-10-01

Driving apparatus and valve including the same

#113
20150268672
2015-09-24

Pressure regulator for hydrogen storage system

#114
20150205306
2015-07-23

Pressure-reducing valve having a residual pressure function built into the reducing valve

#115
20150203210
2015-07-23

Dual pressure regulation system for aerial refueling operations

#116
20150192935
2015-07-09

Gas pressure regulator with guide

#117
20150192934
2015-07-09

APPARATUS FOR CONTROLLING PRESSURE AND FLOW OF GASES, PARTICULARLY IN MINING APPLICATIONS

#118
20150168959
2015-06-18

FLOW CONTROL VALVE AND FLOW CONTROL SYSTEM USING SAME

#119
20150129057
2015-05-14

Static back pressure regulator

#120
20150122344
2015-05-07

CLOSURE DEVICE

#121
20150068621
2015-03-12

Medical Gas Manifold

#122
20150041001
2015-02-12

Pressure regulator of gas cylinder

#123
20150020899
2015-01-22

Fluid control assemblies and flow path inserts

#124
20140360599
2014-12-11

Fluid regulator

#125
20140130925
2014-05-15

Pressure control reservoir with check valve

#126
20140103244
2014-04-17

Self-regulated compact-geometry valve assembly

#127
20140102560
2014-04-17

Multi-stage pressure regulator and method for fluid pressure regulation

#128
20140000809
2014-01-02

Gas pressure control valve

#129
20130220454
2013-08-29

POSITION-ADJUSTABLE GAS REGULATOR

#130
20130199627
2013-08-08

Fluid flow control system

#131
20130160873
2013-06-27

Pressure-regulating arrangement with a pressure-regulating valve and hydraulic circuit therefor

#132
20130112292
2013-05-09

Integrated valve regulator assembly and system for the controlled storage and dispensing of a hazardous material

#133
20120266980
2012-10-25

In-line back pressure fluid regulators

#134
20120255632
2012-10-11

Pressure regulator with slide-mount lobes

#135
20120204976
2012-08-16

Compressed Gas Regulator Apparatus

#136
20120196236
2012-08-02

Heating system with pressure regulator

#137
20120181287
2012-07-19

Closure device

#138
20120103441
2012-05-03

Pressure control valve

#139
20120080101
2012-04-05

Gas pressure control valve

#140
20110315909
2011-12-29

CONSTANT-RESIDUAL-PRESSURE VALVE

#141
20110175009
2011-07-21

FLUID REGULATOR

#142
20110146625
2011-06-23

Fuel pressure regulation system and an improved fuel pressure regulator for use therein

#143
20110079290
2011-04-07

Single component two-stage regulator

#144
20110079287
2011-04-07

Single component two-stage regulator

#145
20110056573
2011-03-10

PRESSURE REDUCING DEVICE OF A HIGH PRESSURE VESSEL

#146
20110000551
2011-01-06

Push Button Regulator Device with Sealing Element to Facilitate Easy Connection with Other Devices

#147
20100307612
2010-12-09

Automatic pressure reducing valve

#148
20100276614
2010-11-04

MODULAR IN-LINE FLUID REGULATORS

#149
20100212757
2010-08-26

IN-LINE PRESSURE REGULATORS

#150
20100175763
2010-07-15

Compressed Gas Regulator Apparatus

#151
20100101666
2010-04-29

Pressure regulator for hydrogen storage system

#152
20100101654
2010-04-29

Gas flow device

#153
20090308468
2009-12-17

Fuel pressure regulator valve assembly

#154
20090126737
2009-05-21

OXYGEN SUPPLYING CIRCUIT FOR AN AIRCRAFT CREW MEMBER

#155
20090078321
2009-03-26

Gas pressure regulator having a regulator cap for a bayonet engagement with the regulator body

#156
20090072175
2009-03-19

PRESSURE REDUCING VALVE

#157
20090071550
2009-03-19

IN-LINE ADJUSTABLE REGULATORS

#158
20090071548
2009-03-19

MODULAR IN-LINE FLUID REGULATORS

#159
20090020169
2009-01-22

Easy-type water pressure reducing apparatus

#160
20080236587
2008-10-02

First Stage Pressure Reducing Valve Having A Tubular Plug, Particularly For Regulators Of Scuba Breathing Apparatus

#161
20080190491
2008-08-14

Overpressure protection device and connection subassembly comprising same

#162
20080185549
2008-08-07

Differential valve

#163
20080105308
2008-05-08

First stage scuba diving regulator having an intermediate pressure spring protected from ice-induced blockage

#164
20080011361
2008-01-17

High-pressure regulator

#165
20070256743
2007-11-08

Method and apparatus for a pressure regulator

#166
20070193638
2007-08-23

Pressure reducing valve

#167
20070068194
2007-03-29

Pressure control valve

#168
20070017524
2007-01-25

TWO-STAGE GAS REGULATING ASSEMBLY

#169
20060289067
2006-12-28

Method and apparatus for pneumatic regulation including a high-pressure reserve

#170
20060278277
2006-12-14

Fluid pressure restricting valve

#171
20060254652
2006-11-16

Vacuum regulator and intermittent flow device

#172
20060236540
2006-10-26

Pressure control valve and method for making a pressure control valve

#173
20060231142
2006-10-19

Gas cylinder regulator

#174
20060225795
2006-10-12

Push button regulator device with sealing element to facilitate easy connection with other devices

#175
20060157122
2006-07-20

Pressure-reducing valve for high-pressure gas cylinders

#176
20060108006
2006-05-25

Fuel pressure regulator valve assembly

#177
20060107673
2006-05-25

Expansion device

#178
20060000510
2006-01-05

Method and apparatus for pneumatic regulation a high-pressure reserve

#179
20050238555
2005-10-27

Gas regulator

#180
20050194046
2005-09-08

Pressure reducing valve

#181
20050152796
2005-07-14

Pressure control valve

#182
20050121083
2005-06-09

High pressure traverse flow adjustable gas regulator

#183
20050115613
2005-06-02

Regulated gas supply system

#184
20050074726
2005-04-07

Gas operating system for firearm simulators

#185
20050045230
2005-03-03

Direct acting gas regulator

#186
19313277
2026-05-19

Innovative two-stage pressure control water valve

#187
17167801
2022-06-07

Two-stage pressure regulator

#188
15493415
2019-02-12

Pressure regulating valve with incorporated shut-off mechanism

#189
15206037
2018-02-13

Dual-piston pressure reducer