ClassID:

152291

F16K17/06 - 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 with special arrangements for adjusting the opening pressure

Sub-classes:
Recent Application in this class:
#1
20260132860
2026-05-14

PRESSURE REGULATOR

#2
20260117880
2026-04-30

Divider Block System and Balancing Valve for Divider Block System

#3
20260100473
2026-04-09

VENTING APPARATUS, SECONDARY BATTERY, AND METHOD OF MANUFACTURING SECONDARY BATTERY

#4
20260098590
2026-04-09

PRESSURE RELIEF VALVE WITH DUAL-FUNCTION SPRING

#5
20260085762
2026-03-26

BIAS DOUBLE CHECK VALVE

#6
20260071689
2026-03-12

VALVE SEAT ASSEMBLIES FOR RELIEF VALVES

#7
20260036215
2026-02-05

DEVICES, SYSTEMS, AND METHODS FOR RELIEVING AND REGULATING PRESSURE DURING THE PERFORMANCE OF A FLUID SERVICE ON A MACHINE

#8
20250369527
2025-12-04

SPRING-LOADED RELIEF VALVES HAVING GUIDED SEATS

#9
20250347349
2025-11-13

DEVICES, SYSTEMS, AND METHODS FOR RELIEVING AND REGULATING PRESSURE DURING THE PERFORMANCE OF A FLUID SERVICE ON A MACHINE

#10
20250327521
2025-10-23

PRESSURE VALVE ASSEMBLY

#11
20250237319
2025-07-24

ADJUSTABLE CONSTANT PRESSURE DEVICE

#12
20250237314
2025-07-24

PRESSURE RELIEF VALVE (PRV) ASSEMBLY INCLUDING END-TO-END COUPLED PRV STAGES AND RELATED METHODS

#13
20250230875
2025-07-17

PRESSURE VALVE PROCESSING

#14
20250189053
2025-06-12

WATER FLOW REGULATION

#15
20250146586
2025-05-08

PRESSURE RELIEF VALVE DEVICE

#16
20250075815
2025-03-06

RELIEF VALVE

#17
20250052331
2025-02-13

THERMAL COMPENSATED PRESSURE RELIEF VALVE USING SHAPE MEMORY MATERIALS FOR HIGH TEMPERATURE APPLICATION

#18
20240384806
2024-11-21

PRESSURE RELIEF VALVE ASSEMBLY INCLUDING SERIES COUPLED VALVES AND RELATED METHODS

#19
20240376990
2024-11-14

PRESSURE RELIEF VALVE

#20
20240344625
2024-10-17

ADJUSTABLE CHECK VALVE

#21
20240329669
2024-10-03

LIQUID PRESSURE REDUCING VALVE

#22
20240293834
2024-09-05

PRESSURE ACTUATED VALVES AND METHODS OF USE

#23
20240184316
2024-06-06

PRESSURE REGULATOR VALVE WITH INCREMENTAL PRESSURE ADJUSTMENTS

#24
20240137401
2024-04-25

Systems and Methods For Content Delivery Acceleration of Virtual Reality and Augmented Reality Web Pages

#25
20240133483
2024-04-25

Pressure relief valve and method of relief valve opening detection

#26
20240117890
2024-04-11

Relieving pressure in critical and sub-critical flow regimes in backpressure conditions

#27
20240110633
2024-04-04

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

#28
20240102566
2024-03-28

Anti-Seize Adjustable Regulator

#29
20240068592
2024-02-29

PRESSURE SAFETY VALVE INDICATOR WITH RETURN MECHANSIM

#30
20240044416
2024-02-08

Systems and Methods for Determining Set Pressure and Lift of a Spring-Operated Relief Valve

#31
20240003449
2024-01-04

Pressure regulating valve assembly for pneumatic spray gun

#32
20230349477
2023-11-02

Pressure relief valve

#33
20230349471
2023-11-02

Divider Block System and Balancing Valve for Divider Block System

#34
20230347119
2023-11-02

SYSTEM AND METHOD FOR A VALVE

#35
20230332716
2023-10-19

Sensing arrangement for valves

#36
20230323975
2023-10-12

Pressure valve processing

#37
20230304586
2023-09-28

Pressure valve assembly

#38
20230300186
2023-09-21

Systems and methods for content delivery acceleration of virtual reality and augmented reality web pages

#39
20230296185
2023-09-21

Dual poppet pressure relief valve with vacuum adaptor capability

#40
20230213102
2023-07-06

Bi-flow cryogenic firesafe floating ball valve

#41
20230175594
2023-06-08

Water flow regulation

#42
20230173521
2023-06-08

LIQUID SPRAYING SYSTEM

#43
20230151899
2023-05-18

Mechanical valve for pressure control

#44
20230096186
2023-03-30

Flow control valve

#45
20230090964
2023-03-23

Liquid pressure reducing valve

#46
20230064155
2023-03-02

GAS REGULATOR WITH OVERLOAD PROTECTION FUNCTION

#47
20230062437
2023-03-02

RELIEF VALVE

#48
20230039845
2023-02-09

Automatic deflator valves with vortex-like air flow with improved tire valve stem connection

#49
20230003315
2023-01-05

Pressure relief valve and method of relief valve opening detection

#50
20220412476
2022-12-29

Dual poppet pressure relief valve with vacuum adaptor capability

#51
20220397207
2022-12-15

PORT LOCKED BY PRESSURE RELIEF VALVE

#52
20220381359
2022-12-01

Pressure valve for fermenter

#53
20220333705
2022-10-20

Safety valves for use at extremely high temperatures

#54
20220325811
2022-10-13

PRV-pressure relief valve

#55
20220260166
2022-08-18

Adjustable valve

#56
20220252172
2022-08-11

Hydraulic pressure relief valve with integrated calibration mechanism

#57
20220221075
2022-07-14

PRESSURE-REGULATING-TYPE SUB-MACHINE OF SODA MACHINE

#58
20220221072
2022-07-14

Relief valve with testing lockout

#59
20220178456
2022-06-09

Relief valve

#60
20220154838
2022-05-19

Capacity control valve

#61
20220106956
2022-04-07

Valve Unit, Capacity Control System and Axial Piston Machine with Such

#62
20220099204
2022-03-31

Liquid pressure reducing valve

#63
20220072285
2022-03-10

VALVE FOR PERMANENT IMPLANTATION, IN PARTICULAR FOR TREATMENT OF NORMAL PRESSURE HYDROCEPHALUS

#64
20220023903
2022-01-27

Pressure actuated valves and methods of use

#65
20210388911
2021-12-16

Pressure valve for fermenter

#66
20210332901
2021-10-28

Counterbalance Valve with Two Setting Springs in Parallel

#67
20210332900
2021-10-28

Valve device, fluid control system, fluid control method, semiconductor manufacturing system, and semiconductor manufacturing method

#68
20210332899
2021-10-28

Vented counterbalance valve with two setting springs in parallel

#69
20210317923
2021-10-14

Pressure relief valve for inflatable structures and boats

#70
20210262579
2021-08-26

Systems and methods for determining set pressure and lift of a spring-operated relief valve

#71
20210139349
2021-05-13

Reject valve of reverse osmosis device

#72
20210113008
2021-04-22

Pressure Cooker Having Pressure Release Mechanism

#73
20210062927
2021-03-04

PRESSURE RELIEF VALVE, SERVICE SYSTEM, AND METHOD FOR SERVICING PRESSURE RELIEF VALVE

#74
20200390269
2020-12-17

Proportional emulsion valve for fluid treatment machines, in particular for the production and delivery of beverages

#75
20200378406
2020-12-03

Valve mechanism and liquid ejecting system

#76
20200347946
2020-11-05

AIR RELEASE VALVE

#77
20200332909
2020-10-22

Safety valve

#78
20200309473
2020-10-01

APPARATUS FOR PROTECTING NEGATIVE PRESSURE

#79
20200292013
2020-09-17

Systems and methods for content delivery acceleration of virtual reality and augmented reality web pages

#80
20200284364
2020-09-10

Cylinder comprising fluid pressure adjustment valve having improved storage capability

#81
20200271240
2020-08-27

Pressure relief valve and method of relief valve opening detection

#82
20200271236
2020-08-27

Bonnet vent attachment

#83
20200248827
2020-08-06

Pressure relief valve

#84
20200240536
2020-07-30

Proportional flow control valve poppet with flow control needle

#85
20200224781
2020-07-16

Dual poppet pressure relief valve with vacuum adaptor capability

#86
20200132205
2020-04-30

Valve body apparatus for use with fluid valves

#87
20200103044
2020-04-02

Relief valve

#88
20200096128
2020-03-26

Pilot operated regulator with adjustable minimum delivery pressure

#89
20200088312
2020-03-19

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

#90
20200032920
2020-01-30

PNEUMATIC DIAPHRAGM ACTUATOR AND SAFETY VALVE

#91
20200018410
2020-01-16

Pressure relief valve

#92
20190390497
2019-12-26

Regulating valve

#93
20190332130
2019-10-31

Flow and pressure stabilization systems, methods, and devices

#94
20190308046
2019-10-10

Main valve with pressure relief valve having a lockout feature

#95
20190264795
2019-08-29

Relief unit and robot

#96
20190257600
2019-08-22

Automatic constant pressure device for hub tire system

#97
20190242495
2019-08-08

Device for detecting fluid flow

#98
20190234469
2019-08-01

Vehicle transmission

#99
20190226926
2019-07-25

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

#100
20190211938
2019-07-11

Minimum Pressure Valve for a Screw Compressor for a Vehicle, in Particular a Utility Vehicle

#101
20190170266
2019-06-06

Pressure relief valve

#102
20190170265
2019-06-06

Pressure relief valve

#103
20190128437
2019-05-02

Pressure-limiting unit for a pressure booster as well as a pressure booster for driving hydraulic tools

#104
20190107218
2019-04-11

Pressure relief valve with stop

#105
20190107139
2019-04-11

Threaded fastening

#106
20190093782
2019-03-28

Pressure-limiting valve

#107
20190078698
2019-03-14

VALVE

#108
20190072196
2019-03-07

Oil pump pressure relief valve layout

#109
20190056756
2019-02-21

Flow and pressure stabilization systems, methods, and devices

#110
20190032681
2019-01-31

Hydraulic apparatus, in particular hydraulic valve or hydraulic regulator

#111
20190024615
2019-01-24

Pressure regulator and fuel supply device

#112
20190022346
2019-01-24

Relief valve

#113
20190017615
2019-01-17

Positive retraction bypass valve system and method

#114
20180363794
2018-12-20

VARIABLE GEOMETRY LIFT VALVE FOR RECIPROCATING COMPRESSORS

#115
20180363793
2018-12-20

Adjustable pressure valve

#116
20180328329
2018-11-15

Relief valve device and high-pressure pump using same

#117
20180319239
2018-11-08

Leveling valve for discharging and supplying fluid

#118
20180306340
2018-10-25

Externally adjustable flow management valve assembly and system

#119
20180283414
2018-10-04

Poppet valve system and method

#120
20180259031
2018-09-13

Damping valve and shock absorber

#121
20180251110
2018-09-06

Pressure-limiting valve

#122
20180238461
2018-08-23

VALVE

#123
20180224008
2018-08-09

Valve for pressurized environments

#124
20180223879
2018-08-09

Pressure limiting device, in particular for an assist system for vehicles

#125
20180202566
2018-07-19

Pilot valve arrangement

#126
20180202470
2018-07-19

Valve

#127
20180177322
2018-06-28

LOW VACUUM AND VACUUM RELEASE DEVICE FOR ELECTRIC RICE COOKER

#128
20180169835
2018-06-21

Wet abrasive blasting system and method

#129
20180073651
2018-03-15

Seat valve with electromagnetic actuation

#130
20180073649
2018-03-15

Seat valve with electromagnetic actuation

#131
20180051529
2018-02-22

Method and valve assembly for flushing of debris

#132
20180001064
2018-01-04

Device to control magnetic rotor of a programmable hydrocephalus valve

#133
20170307094
2017-10-26

Safety valve

#134
20170284550
2017-10-05

Adjustable stop for check valve

#135
20170284242
2017-10-05

Relief valve

#136
20170241595
2017-08-24

Device for actuating pressure relief valve

#137
20170227135
2017-08-10

Pressure relief valve tuning feature

#138
20170227134
2017-08-10

Adjustable pilot operated flow control valve

#139
20170227081
2017-08-10

PATH SPLIT UNIT AND SAFETY VALVE FOR SUSPENSION DEVICE

#140
20170167808
2017-06-15

APPARATUS FOR PROTECTING NEGATIVE PRESSURE

#141
20170138327
2017-05-18

Pressure limiting valve

#142
20170102082
2017-04-13

Apparatus for setting and verifying set point on a valve assembly

#143
20170037805
2017-02-09

Pressure accumulator device for a motor vehicle fuel injection system, and method for operating a pressure accumulator device of said type

#144
20170016546
2017-01-19

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

#145
20160363229
2016-12-15

Low leakage relief valve

#146
20160341324
2016-11-24

Relief valve

#147
20160341112
2016-11-24

Valve device

#148
20160326721
2016-11-10

Pressure peak reduction valve for excavator and pressure peak reduction system for excavator comprising same

#149
20160281748
2016-09-29

Poppet valve system and method

#150
20160273669
2016-09-22

Center flow pressure relief valve

#151
20160273668
2016-09-22

Valve with damper

#152
20160138726
2016-05-19

Pressure reduction valve and gas supply device

#153
20160053906
2016-02-25

Remotely-actuated dual-pressure relief valve

#154
20160040503
2016-02-11

Pressure differential device

#155
20150308580
2015-10-29

Relief valve assembly with anti-frozen shielding hat

#156
20150292637
2015-10-15

Super high flow pressure relief vent

#157
20150292636
2015-10-15

Spring adjusting device and valve assembly

#158
20150285396
2015-10-08

Vacuum valve

#159
20150276076
2015-10-01

Pressure relief valve

#160
20150112312
2015-04-23

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

#161
20150107701
2015-04-23

Regulator valve

#162
20150102252
2015-04-16

Apparatus for setting and verifying set point on a valve assembly

#163
20150059884
2015-03-05

Relief valve with directable outlet

#164
20150034183
2015-02-05

EXTERNALLY ADJUSTABLE MAGNETIC TARGET SETTING

#165
20150020516
2015-01-22

Hydraulic circuit

#166
20140369874
2014-12-18

Adjustable stop for check valve

#167
20140360599
2014-12-11

Fluid regulator

#168
20140347867
2014-11-27

Pressure relief valve devices and methods

#169
20140326335
2014-11-06

Adjustable pressure controlled valve

#170
20140318642
2014-10-30

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

#171
20140150903
2014-06-05

Pilot type pressure regulator

#172
20140130908
2014-05-15

Pressure relief valve and secondary spring force containment assembly

#173
20130313456
2013-11-28

Switchable pressure limiting valve

#174
20130276916
2013-10-24

Overpressure relief valve assembly

#175
20130248021
2013-09-26

Actuator for an adjustable damper-valve device

#176
20130240061
2013-09-19

Pressure relief valve

#177
20130239570
2013-09-19

Boost pressure control system for turbocharged internal combustion engines

#178
20130180592
2013-07-18

Valve for Use in Chemical Injectors and the Like

#179
20130174922
2013-07-11

Pressure valve

#180
20120255536
2012-10-11

Heating system

#181
20120241658
2012-09-27

Back pressure regulating valve with valve cartridge

#182
20120217191
2012-08-30

Filter device

#183
20120168005
2012-07-05

Pressure retention valve

#184
20120103447
2012-05-03

Relief valve for oil pump

#185
20120103442
2012-05-03

Relief valve for oil pump

#186
20110175009
2011-07-21

FLUID REGULATOR

#187
20110168180
2011-07-14

ADJUSTABLE VALVE

#188
20110114203
2011-05-19

Pressure relief valve

#189
20110108130
2011-05-12

Pressure regulator valve seals, systems and methods

#190
20110041805
2011-02-24

System and method for locking retention of valve components

#191
20110036415
2011-02-17

Internal relief valve for a valve actuator

#192
20100317276
2010-12-16

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

#193
20100276014
2010-11-04

Multiple preset indexing pressure relief valve

#194
20100243940
2010-09-30

Relief valve

#195
20100072409
2010-03-25

Reclosable vacuum-tight pressure-relief device having a deformable seal member

#196
20090314364
2009-12-24

Pressure relief valves and pneumatic control systems

#197
20090107564
2009-04-30

RELIEF VALVE

#198
20080230729
2008-09-25

Valve with cushioned opening system

#199
20080210313
2008-09-04

Pressure limiting valve with reduced differential area

#200
20080111088
2008-05-15

SELF-CONTAINED RELIEF VALVE ADJUSTMENT DEVICE

#201
20080035203
2008-02-14

Wheel having temperature compensated and controlled pressure

#202
20070181190
2007-08-09

Non-return valve

#203
20070056640
2007-03-15

FLOW CONTROL SYSTEM

#204
20070034263
2007-02-15

Valve, especially a gas safety valve

#205
20050264100
2005-12-01

Modular pressure relief valve

#206
20050217731
2005-10-06

Safety valve unit

#207
20050211308
2005-09-29

Pressure limiting valve in a hydraulic machine having a pressure limiting valve

#208
20050098216
2005-05-12

Adjustable variable flow fertilizer valve

#209
18872412
2025-11-11

Devices, systems, and methods for relieving and regulating pressure during the performance of a fluid service on a machine

#210
18817903
2026-01-06

Advanced pressure equilibrium device (PED) and pressure relief valve (PRV)

#211
18102976
2023-09-05

Relief device with partial oil filling

#212
18102925
2023-10-03

Hollow stem relief valve

#213
18102895
2023-09-19

Stem-base hollow relief valve device

#214
18088505
2023-05-30

Oil-damped pressure release valve

#215
17897858
2023-03-28

Relief valve device

#216
16949513
2021-10-19

Pressure relief valve

#217
16572317
2023-09-05

Pressure relief valves for underwater use

#218
15797920
2019-09-17

Pressure relief valves for underwater use

#219
15789227
2019-10-29

Hydrant-mountable pressure control and relief valve apparatus

#220
14291301
2016-06-21

Pressure relief valve