ClassID:

152288

F16K17/048 - CPC Classification

Classification description:

Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded combined with other safety valves, or with pressure control devices

Recent Application in this class:
#1
20260153160
2026-06-04

NATURAL GAS REGULATOR WITH LIMITED INTERNAL RELIEF VALVE

#2
20260092652
2026-04-02

Cylinder Assembly

#3
20260049666
2026-02-19

HYDRAULIC CHECK VALVE UTILIZING AN ORTHO-PLANAR SPRING

#4
20260016099
2026-01-15

PRESSURE BALANCED POPPETT WITH CHECK

#5
20250341261
2025-11-06

SURGE GUARD VALVE FOR GAS SUPPLY LINE

#6
20250257816
2025-08-14

VALVE ARRANGEMENT FOR A FLUID CONTROL SYSTEM

#7
20250146586
2025-05-08

PRESSURE RELIEF VALVE DEVICE

#8
20250110003
2025-04-03

DETECTION AIR FAUCET

#9
20250060045
2025-02-20

VALVE

#10
20240419197
2024-12-19

VALVES AND CONTROL SYSTEMS FOR PRESSURE EQUALIZATION AND DE-ENERGIZATION

#11
20240329669
2024-10-03

LIQUID PRESSURE REDUCING VALVE

#12
20240295273
2024-09-05

Hydrogen supply combination valve having flow regulation and pressure stabilization functions

#13
20240255008
2024-08-01

HYDRAULIC CONTROL SYSTEM AND METHOD WITH ELECTRO-PROPORTIONAL PRESSURE VALVE AND INTEGRAL CHECK

#14
20240210969
2024-06-27

COMPACT FIELD CALIBRATABLE PRESSURE REDUCING VALVE

#15
20240209913
2024-06-27

Shock Absorber Assembly

#16
20240110633
2024-04-04

Pressure relief valve assembly, modular pressure relief valve assembly, and hydraulic control assembly having such a pressure relief valve assembly

#17
20240077142
2024-03-07

VALVE APPARATUS

#18
20240068582
2024-02-29

HYDRAULIC CHECK VALVE UTILIZING AN ORTHO-PLANAR SPRING

#19
20240011511
2024-01-11

Valve

#20
20230407982
2023-12-21

BUTTERFLY VALVE ASSEMBLY

#21
20230405366
2023-12-21

CENTRALIZED CONTROL OF DISTRIBUTED OXYGEN SYSTEM

#22
20230332705
2023-10-19

Pressure relief valve with bi-directional seat

#23
20230323971
2023-10-12

FLOW RESTRICTOR

#24
20230304592
2023-09-28

Constant pressure valve for inflatable product and inflatable product

#25
20230291067
2023-09-14

Pressure equalization device, method for pressure equalization and housing

#26
20230226873
2023-07-20

Mechanical bypass of a valve body

#27
20230167915
2023-06-01

Pressure regulator with outlet overpressure security

#28
20230166145
2023-06-01

TEST AND DRAIN VALVE WITH INTEGRATED RELIEF VALVE

#29
20230090964
2023-03-23

Liquid pressure reducing valve

#30
20230058099
2023-02-23

Automatic draining back flow prevention device

#31
20230013721
2023-01-19

Shock absorber assembly

#32
20230003312
2023-01-05

Electromagnetic valve and fluid system

#33
20230003274
2023-01-05

Shock absorber assembly

#34
20220412477
2022-12-29

PRESSURE BALANCED POPPETT WITH CHECK

#35
20220406478
2022-12-22

Depressurisation valve

#36
20220397439
2022-12-15

Three-port proportional flow control valve with an integrated turbine for flow rate sensing

#37
20220397211
2022-12-15

Pressure-compensated proportional flow control valve with an integrated turbine for flow rate sensing

#38
20220397089
2022-12-15

Valve with an integrated turbine for energy harvesting

#39
20220300014
2022-09-22

Valves and control systems for pressure equalization and de-energization

#40
20220282798
2022-09-08

Combination regulator for cryogenic tanks

#41
20220243837
2022-08-04

Multi-mode fluid control valve

#42
20220243831
2022-08-04

Pressure relief valve with bi-directional seat

#43
20220235876
2022-07-28

Butterfly valve assembly

#44
20220221075
2022-07-14

PRESSURE-REGULATING-TYPE SUB-MACHINE OF SODA MACHINE

#45
20220213969
2022-07-07

Low pressure shut off valve and system

#46
20220211942
2022-07-07

Adjustable Medium Diverter

#47
20220186936
2022-06-16

GAS VALVE AND GAS STOVE

#48
20220178454
2022-06-09

Relief valve cavity

#49
20220154838
2022-05-19

Capacity control valve

#50
20220147073
2022-05-12

Pressure regulator

#51
20220107031
2022-04-07

PRESSURE AND TEMPERATURE SAFETY VALVES

#52
20220099204
2022-03-31

Liquid pressure reducing valve

#53
20220083082
2022-03-17

Pressure control valve and device comprising such a pressure control valve , for controlling or regulating the pressure of a compressed fluid in a pilot pressure chamber

#54
20220034416
2022-02-03

System And Method For Detecting Safe Operating Conditions And Maintained Integrity In A Pressure Safety Valve

#55
20210404487
2021-12-30

Combined valve, power unit body and hydraulic power unit

#56
20210341068
2021-11-04

Valve and package provided with the same

#57
20210332899
2021-10-28

Vented counterbalance valve with two setting springs in parallel

#58
20210310223
2021-10-07

Automatic draining back flow prevention device

#59
20210293212
2021-09-23

Pilot valve for pressure relief valve

#60
20210254638
2021-08-19

Hydraulic control system and method with electro-proportional pressure valve and integral check

#61
20210205647
2021-07-08

Modular valve assembly

#62
20210199102
2021-07-01

Bellows pressure relief valve

#63
20210162443
2021-06-03

Agricultural sprayer valve unit and agricultural sprayer valve device

#64
20210146179
2021-05-20

Modular valve assembly

#65
20210127511
2021-04-29

Valve for pressure compensation and/or for emergency venting of a container, in particular of a container of a battery of an electric vehicle, as well as container with such a valve

#66
20210077695
2021-03-18

Backflow prevention device and dialysis apparatus with the backflow prevention device

#67
20210071772
2021-03-11

Pressure-compensated, subsea chemical injection valve

#68
20200408316
2020-12-31

Pressure relief valve with bi-directional seat

#69
20200408315
2020-12-31

Pressure relief valve for a pressure regulator and pressure regulator comprising said pressure relief valve

#70
20200361288
2020-11-19

Vehicle configured to prevent oil entrapment within refrigerant system and corresponding method

#71
20200355286
2020-11-12

Pressure reducer

#72
20200345933
2020-11-05

Adjustable medium diverter

#73
20200340599
2020-10-29

PRESSURE REDUCING VALVE

#74
20200308932
2020-10-01

Balance line safety valve

#75
20200307820
2020-10-01

PRESSURE-OPERATED CHECK VALVE

#76
20200271236
2020-08-27

Bonnet vent attachment

#77
20200271234
2020-08-27

Valve apparatus

#78
20200269647
2020-08-27

Mechanical bypass of electronic valve body

#79
20200240536
2020-07-30

Proportional flow control valve poppet with flow control needle

#80
20200208749
2020-07-02

Pressure relief valve assembly

#81
20200194135
2020-06-18

DEPRESSURISATION VALVE

#82
20200194134
2020-06-18

Depressurization valve

#83
20200182365
2020-06-11

Integrated Outlet Check Valve and Pressure Relief Valve

#84
20200182238
2020-06-11

Inlet control valve for high pressure fuel pump

#85
20200164239
2020-05-28

Modular valve assembly

#86
20200116270
2020-04-16

Slam-shut safety assembly for providing redundant safety shutoff

#87
20200106340
2020-04-02

Pressure relief systems for generators

#88
20200103044
2020-04-02

Relief valve

#89
20200103040
2020-04-02

System and method for protecting a pressure vessel from excessive differential pressure

#90
20200063879
2020-02-27

Bypass valve and pig having a bypass valve

#91
20200049272
2020-02-13

Mechanical safety shut-down valve

#92
20200025413
2020-01-23

System, device and associated methods for protection during over-temperature and over-pressure in a water heater

#93
20200003323
2020-01-02

DIRECT ACTION SOLENOID VALVE

#94
20190390730
2019-12-26

Shock absorber assembly

#95
20190368624
2019-12-05

PRESSURE RELEASE VALVE

#96
20190317534
2019-10-17

Multi-function pressure regulation valve

#97
20190316333
2019-10-17

Automatic draining back flow prevention device

#98
20190308485
2019-10-10

Pressure control valve system

#99
20190285004
2019-09-19

Fault-accommodating flow scheduling valve

#100
20190277496
2019-09-12

Solenoid operated valve for reducing excessive piping pressure in a fluid distribution system

#101
20190271384
2019-09-05

Transmission pressure controlled vent system

#102
20190242484
2019-08-08

Stabilizer cartridge for a fluid regulator

#103
20190226926
2019-07-25

Measuring deformation of a compression spring to monitor performance of a safety valve

#104
20190154033
2019-05-23

Plunger pump fluid end

#105
20190107214
2019-04-11

Manifolds for pressure relief systems

#106
20190086120
2019-03-21

Internal pressure relief safety valve of water heater and water heater

#107
20190017615
2019-01-17

Positive retraction bypass valve system and method

#108
20180363791
2018-12-20

PRESSURE VALVE AND PRESSURE RELEASING ASSEMBLY FOR THE SAME

#109
20180347717
2018-12-06

Dual cylinder pressure equalization system

#110
20180328505
2018-11-15

Actuator for Linked Poppet Valve

#111
20180283414
2018-10-04

Poppet valve system and method

#112
20180275687
2018-09-27

SPIRAL SPRING FLOW REGULATOR

#113
20180266576
2018-09-20

Fluid Valve With Hysteresis

#114
20180259080
2018-09-13

Valves and control systems for pressure relief

#115
20180259079
2018-09-13

Spring seat for an internal valve

#116
20180259078
2018-09-13

Spring seat for an internal valve

#117
20180251110
2018-09-06

Pressure-limiting valve

#118
20180188749
2018-07-05

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

#119
20180185576
2018-07-05

Adjustable medium diverter

#120
20180156347
2018-06-07

Pressure regulator with shutoff mechanism

#121
20180140881
2018-05-24

Modular valve assembly

#122
20180119835
2018-05-03

Unit for the regulation or control of a fluid pressure

#123
20180100596
2018-04-12

Safe valve for high pressure regulator

#124
20180087681
2018-03-29

Integrated tire inflation valve

#125
20180087479
2018-03-29

Protection device for limiting pump cavitation in common rail system

#126
20180058596
2018-03-01

Stabilizer cartridge for a fluid regulator

#127
20180043197
2018-02-15

Modular valve assembly

#128
20180039291
2018-02-08

Pressure-regulating valve

#129
20170370488
2017-12-28

Fluid pressure regulator with reverse flow capability

#130
20170368896
2017-12-28

Wheel valve assembly and the tire inflation system made therewith

#131
20170336812
2017-11-23

Pressure regulation valve

#132
20170322105
2017-11-09

FLUID LEAK AND MICROLEAK DETECTOR AND METHOD OF DETECTING LEAKS AND MICROLEAKS

#133
20170305266
2017-10-26

Evaporated fuel processing device

#134
20170253116
2017-09-07

VALVE ASSEMBLY FOR A TANK OF A VEHICLE AND A METHOD OF CREATING A VACUUM IN THE TANK

#135
20170175910
2017-06-22

In-line pressure relief valve and rupture disk

#136
20170175728
2017-06-22

Bellows pressure relief valve

#137
20170122447
2017-05-04

Pressure relief valve for a pressure regulator and pressure regulator comprising said pressure relief valve

#138
20170108879
2017-04-20

Flow direction restriction valve mechanism and valve device

#139
20170083030
2017-03-23

Systems and methods for fluid regulation

#140
20170081833
2017-03-23

Automatic draining back flow prevention device

#141
20170068260
2017-03-09

Lever assembly with a damper for a fluid regulator

#142
20170067576
2017-03-09

Fixed lever and pin assembly for stabilizing gas flow and pressure regulation of a fluid regulator

#143
20170037768
2017-02-09

Electromagnetic valve and internal combustion engine cooling system with electromagnetic valve

#144
20170016546
2017-01-19

Safety device for installation in a gas-supply system, in particular, an acetylene-supply system

#145
20160368128
2016-12-22

Hydraulic tool

#146
20160363229
2016-12-15

Low leakage relief valve

#147
20160305560
2016-10-20

Plunger type safety valve

#148
20160281748
2016-09-29

Poppet valve system and method

#149
20160258546
2016-09-08

Shear valve

#150
20160245186
2016-08-25

Self-actuating and dual pivot flapper valve

#151
20160238138
2016-08-18

Relief valve

#152
20160153551
2016-06-02

Hydraulic control arrangement for an automatic transmission

#153
20160146159
2016-05-26

Flow rate control valve and fuel vapor processing apparatus including the same

#154
20160025054
2016-01-28

High pressure pump having unitary discharge and relief valve

#155
20150337769
2015-11-26

FUEL SUPPLY SYSTEM AND PRESSURE REDUCING DEVICE

#156
20150277453
2015-10-01

Thermo valve

#157
20150260139
2015-09-17

Valve arrangement

#158
20150240463
2015-08-27

Arrangement for handling a liquid medium

#159
20150217438
2015-08-06

Multi-operational valve

#160
20150203204
2015-07-23

Compact check valve for aircraft galley plumbing system

#161
20150122344
2015-05-07

CLOSURE DEVICE

#162
20150114493
2015-04-30

Safety valve to release excess pressure from portable gas container for prevention of explosion

#163
20150112312
2015-04-23

Transurethral catheter kit, and syringe assembly suitable for use in correctly inflating a transurethral catheter

#164
20150096625
2015-04-09

Valve assembly for a tank of a vehicle and a method of creating a vacuum in the tank

#165
20150040991
2015-02-12

Burst disk protected valve

#166
20150034171
2015-02-05

Hot water storage unit, relief device and method of making a hot water storage unit

#167
20140360590
2014-12-11

High reliability pressure relief valve

#168
20140318642
2014-10-30

Safety device for installation in a gas-supply system, in particular, an acetylene-supply system

#169
20140283922
2014-09-25

Spring assemblies for use in gas turbine engines and methods for their manufacture

#170
20140158230
2014-06-12

LIQUID DRIP PREVENTION VALVE

#171
20140096848
2014-04-10

Pressure relief valve

#172
20140060672
2014-03-06

Pressure-limiting valve

#173
20140034159
2014-02-06

Multi-operational valve

#174
20130312853
2013-11-28

Compact check valve for aircraft galley plumbing system

#175
20130264069
2013-10-10

Pump-through fluid loss control device

#176
20130192473
2013-08-01

Valve arrangement of a commercial cooking device and commercial cooking device

#177
20130153239
2013-06-20

Fluid safety valve

#178
20120325332
2012-12-27

Automatic draining back flow prevention device

#179
20120251366
2012-10-04

High pressure pump having unitary discharge and relief valve

#180
20120181287
2012-07-19

Closure device

#181
20120091380
2012-04-19

Combination Valve Assembly

#182
20120048402
2012-03-01

CONSTANT PRESSURE VALVE USED IN A HIGH PRESSURE CYLINDER

#183
20120032101
2012-02-09

Pressure control valve

#184
20120012194
2012-01-19

Double check back flow prevention device

#185
20120006429
2012-01-12

Safety valve

#186
20110272036
2011-11-10

Hydraulic heater valve

#187
20110079292
2011-04-07

Pressure control and relief system

#188
20110036423
2011-02-17

Relief Valve Device

#189
20100294375
2010-11-25

SPEED CONTROL VALVE SYSTEM

#190
20100282333
2010-11-11

Safety relief fill valve assembly

#191
20100276014
2010-11-04

Multiple preset indexing pressure relief valve

#192
20090288722
2009-11-26

Double check back flow prevention device

#193
20090025802
2009-01-29

Constant flow valve

#194
20080190491
2008-08-14

Overpressure protection device and connection subassembly comprising same

#195
20080078455
2008-04-03

Compact Manifolded Fail Safe Hydraulic Control System

#196
20070113899
2007-05-24

Compact manifolded fail safe hydraulic control system

#197
20060267403
2006-11-30

Constant flow valve

#198
20060162796
2006-07-27

Relief valve assembly

#199
20060112993
2006-06-01

Combination valve

#200
16393331
2020-11-17

Selectable on/off sequencing valve

#201
16387554
2020-08-04

Vacuum large-capacity electrically controlled proportional valve

#202
16387543
2020-07-07

Vacuum electrically controlled proportional valve