ClassID:

152277

F16K17/0406 - 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 in the form of balls

Recent Application in this class:
#1
20260117879
2026-04-30

PRESSURE ACTIVATED FLOW BALANCING DOUBLE QUAD VALVE

#2
20260098590
2026-04-09

PRESSURE RELIEF VALVE WITH DUAL-FUNCTION SPRING

#3
20260085762
2026-03-26

BIAS DOUBLE CHECK VALVE

#4
20260049666
2026-02-19

HYDRAULIC CHECK VALVE UTILIZING AN ORTHO-PLANAR SPRING

#5
20250383026
2025-12-18

Pressure Relief Assembly with Detent

#6
20250377047
2025-12-11

AIRCRAFT PRESSURE RELIEF VALVES

#7
20250354619
2025-11-20

INCREASED FLOW BACK PRESSURE REGULATOR

#8
20250327531
2025-10-23

HYDRAULIC CHECK VALVE UTILIZING AN ORTHO-PLANAR SPRING

#9
20250198525
2025-06-19

PRESSURE ACTIVATED FLOW BALANCING DOUBLE QUAD VALVE

#10
20250102071
2025-03-27

PRESSURE RELIEF VALVE

#11
20240184316
2024-06-06

PRESSURE REGULATOR VALVE WITH INCREMENTAL PRESSURE ADJUSTMENTS

#12
20240137401
2024-04-25

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

#13
20240084907
2024-03-14

Enhanced low noise, low leakage relief valve

#14
20240068617
2024-02-29

GREASE PRESSURE RELIEF SYSTEM

#15
20240068582
2024-02-29

HYDRAULIC CHECK VALVE UTILIZING AN ORTHO-PLANAR SPRING

#16
20230300186
2023-09-21

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

#17
20230279957
2023-09-07

ADDITIVELY MANUFACTURED HYDRAULIC VALVE COMPONENTS

#18
20230248367
2023-08-10

INFLATION HUB FOR A FLUID INFLATABLE APPARATUS

#19
20230243434
2023-08-03

Valve assembly

#20
20230173521
2023-06-08

LIQUID SPRAYING SYSTEM

#21
20230151899
2023-05-18

Mechanical valve for pressure control

#22
20230038931
2023-02-09

System, method and apparatus for providing a gearbox expansion cap and valve assembly

#23
20220373132
2022-11-24

Grease pressure relief system

#24
20220332298
2022-10-20

Noise mitigating hydraulic control unit assembly for a vehicle braking system

#25
20220282742
2022-09-08

Additively manufactured hydraulic valve components

#26
20220196177
2022-06-23

SOLENOID VALVE

#27
20220178461
2022-06-09

Capacity control valve

#28
20220178455
2022-06-09

Valve assembly

#29
20220128160
2022-04-28

Compact inline over-pressurization protection device

#30
20220090692
2022-03-24

Valve, battery and power consumption device

#31
20220072285
2022-03-10

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

#32
20210363986
2021-11-25

Metering pump having an integrated overflow valve, and valve insert for a metering pump

#33
20210361903
2021-11-25

COMPACT PORTABLE OXYGEN CONCENTRATOR

#34
20210341068
2021-11-04

Valve and package provided with the same

#35
20210249730
2021-08-12

Valve device, storage body, power storage device, and method for attaching valve device

#36
20210199102
2021-07-01

Bellows pressure relief valve

#37
20210120738
2021-04-29

Controlled lateral belt reverse for draper head of agricultural combine

#38
20210062927
2021-03-04

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

#39
20200386336
2020-12-10

Flow maximizer

#40
20200347947
2020-11-05

Drill string safety valve device

#41
20200309076
2020-10-01

Fuel pump for gasoline direct injection

#42
20200292013
2020-09-17

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

#43
20200259146
2020-08-13

Venting device and method for manufacturing the same

#44
20200208749
2020-07-02

Pressure relief valve assembly

#45
20200200167
2020-06-25

Metering pump having an integrated overflow valve, and valve insert for a metering pump

#46
20200182322
2020-06-11

Vehicle-mounted apparatus having biasing structure using coil spring

#47
20200141425
2020-05-07

HYDRAULIC PUMP VALVE APPARATUS FOR A PRESSING TOOL

#48
20200116172
2020-04-16

FILTER STRUCTURE ON PRESSURE RELIEF VALVE FOR HYDRAULIC TENSIONER

#49
20200102808
2020-04-02

PRODUCTION STRING VALVE WITH MULTISEAL SHUTTLE

#50
20200056714
2020-02-20

DEEP SET PRODUCTION TUBING PRESSURE INSENSITIVE WIRELINE RETRIEVABLE SAFETY VALVE

#51
20200049267
2020-02-13

Connector with flange for limiting buckle propagation comprising a differential pressure valve for underwater fluid-transport pipe

#52
20190331235
2019-10-31

Dual lock flow gate

#53
20190330958
2019-10-31

Dual lock flow gate

#54
20190301626
2019-10-03

Valve unit fixing structure and fluid pump using the same

#55
20190271384
2019-09-05

Transmission pressure controlled vent system

#56
20190257437
2019-08-22

Pressure regulating valve

#57
20190234469
2019-08-01

Vehicle transmission

#58
20190234181
2019-08-01

Valve with shuttle for use in flow management systems

#59
20190207480
2019-07-04

Drive device

#60
20190181723
2019-06-13

Drive device

#61
20190170140
2019-06-06

Drive device

#62
20190145537
2019-05-16

Coined seat for metal-to-metal seating

#63
20190101222
2019-04-04

Hammer union back pressure regulator

#64
20190072196
2019-03-07

Oil pump pressure relief valve layout

#65
20180351145
2018-12-06

Feed-through forming a terminal for a metal-ion electrochemical accumulator, integrating a gas relief valve, associated accumulator

#66
20180344963
2018-12-06

Compact portable oxygen concentrator

#67
20180313314
2018-11-01

High-pressure fuel pump

#68
20180259077
2018-09-13

INTEGRATED CHECK-RELIEF VALVE

#69
20180217619
2018-08-02

Positive sealing proportional control valve with sealable vent valve

#70
20180187794
2018-07-05

Asymmetric torque magnetic valve actuator

#71
20180112784
2018-04-26

Ball valve with pressure relief feature

#72
20180100522
2018-04-12

Hydraulic control valve for controlling pressure drop across motors

#73
20180087681
2018-03-29

Integrated tire inflation valve

#74
20180001064
2018-01-04

Device to control magnetic rotor of a programmable hydrocephalus valve

#75
20170368896
2017-12-28

Wheel valve assembly and the tire inflation system made therewith

#76
20170321646
2017-11-09

High-pressure fuel pump for a fuel system for an internal combustion engine

#77
20170227081
2017-08-10

PATH SPLIT UNIT AND SAFETY VALVE FOR SUSPENSION DEVICE

#78
20170219042
2017-08-03

Damping valve comprising a pressure relief valve

#79
20170215624
2017-08-03

Heatable canteen

#80
20170198668
2017-07-13

Fuel control system

#81
20170196395
2017-07-13

Heatable canteen

#82
20170175728
2017-06-22

Bellows pressure relief valve

#83
20170175694
2017-06-22

Method for producing a pressure limiting valve, pressure limiting valve, and component for a fuel injection system

#84
20170159835
2017-06-08

PRESSURE LIMITING VALVE

#85
20170157999
2017-06-08

Dual tire air maintenance system and method

#86
20170138496
2017-05-18

Safety valve

#87
20170122446
2017-05-04

RELIEF VALVE

#88
20170098978
2017-04-06

Venting generator assemblies

#89
20170074745
2017-03-16

Solenoid valve assembly with pilot pressure control

#90
20170059046
2017-03-02

Packing cylinder for expansion joint

#91
20170009900
2017-01-12

RELIEF VALVE

#92
20170002934
2017-01-05

Isolation valve with a dead chamber

#93
20160348471
2016-12-01

Fluid release valve

#94
20160238138
2016-08-18

Relief valve

#95
20160153319
2016-06-02

TAPPET TIP GEOMETRY FOR A PRESSURE CONTROL VALVE

#96
20160091103
2016-03-31

AUTOMATIC PRESSURE RELIEF DEVICE FOR WATER PURIFIER

#97
20150362086
2015-12-17

Check valve for a fluid flow regulation system

#98
20150345651
2015-12-03

Method and apparatus for beverage extraction with improved gas cylinder access

#99
20150330528
2015-11-19

Solenoid valve assembly with pilot pressure control

#100
20150260139
2015-09-17

Valve arrangement

#101
20150226345
2015-08-13

Overpressure valve in the form of a check valve

#102
20150114482
2015-04-30

Valve assembly

#103
20150101687
2015-04-16

Liquid Valve Design with internal Check Valve

#104
20140367415
2014-12-18

Method and apparatus for beverage extraction with improved gas cylinder access

#105
20140116387
2014-05-01

Pressure relief valve for common rail fuel system

#106
20140020772
2014-01-23

Low noise relief valve

#107
20130146798
2013-06-13

Valve with shuttle for use in flow management systems

#108
20120285556
2012-11-15

Pressure-limiting valve

#109
20120211683
2012-08-23

Valve apparatus

#110
20120130347
2012-05-24

Pump with integrated control unit

#111
20120037730
2012-02-16

Variable flow screen nozzle

#112
20120012771
2012-01-19

Ball seat having collapsible helical seat

#113
20110290372
2011-12-01

Apparatus for repairing and inflating of damaged inflatable articles

#114
20110284790
2011-11-24

Pressure-operated control valve

#115
20110259438
2011-10-27

Valve with shuttle for use in a flow management system

#116
20110248196
2011-10-13

Electro-hydraulic actuator including a release valve assembly

#117
20110192701
2011-08-11

Ventilation device for a hydraulic cylinder

#118
20100276623
2010-11-04

Pressure control valve

#119
20100276014
2010-11-04

Multiple preset indexing pressure relief valve

#120
20100175760
2010-07-15

FLOAT VALVE

#121
20100051119
2010-03-04

Pressure relief valve

#122
20100032242
2010-02-11

Pressure Relief Device for a Gear Box

#123
20100004080
2010-01-07

PRESSURE RELIEF VALVE FOR A HYDRAULIC TENSIONER

#124
20090308468
2009-12-17

Fuel pressure regulator valve assembly

#125
20090285710
2009-11-19

Compressor unloading valve

#126
20090108222
2009-04-30

Pleated washer spring for fuel pressure regulator

#127
20090007889
2009-01-08

Three position fuel line check valve for relief of diurnal pressure

#128
20090000675
2009-01-01

Combined relief valve and check valve

#129
20080292473
2008-11-27

High-pressure pump for feeding fuel to an internal combustion engine

#130
20080237514
2008-10-02

Flow Control Valve and Cylinder Apparatus Having the Same

#131
20080202478
2008-08-28

Pressure Control Valve for a Hydraulic Device, and Use of Said Pressure Control Valve

#132
20080190491
2008-08-14

Overpressure protection device and connection subassembly comprising same

#133
20080135111
2008-06-12

Apparatus for preventing explosion

#134
20080022974
2008-01-31

Multi-stage relief valve having different opening pressures

#135
20070270259
2007-11-22

Hydraulic tensioning device for a traction mechanism drive

#136
20070221179
2007-09-27

Fuel line check valve system for relief of diurnal pressure

#137
20070107785
2007-05-17

Pressure control valve

#138
20070095330
2007-05-03

Three position fuel line check valve for relief of diurnal pressure

#139
20060272711
2006-12-07

Pressure control valve

#140
20060196476
2006-09-07

Pressure relief valve

#141
20060169332
2006-08-03

Pressure actuated valve

#142
20060162338
2006-07-27

Evacuation of hot gases accumulated in an inactive gas turbine engine

#143
20060124170
2006-06-15

Compressor

#144
20060108007
2006-05-25

Pressure regulator with ceramic valve element

#145
20060108006
2006-05-25

Fuel pressure regulator valve assembly

#146
20060108005
2006-05-25

Pressure regulator valve biasing member with reticulated concentric rings

#147
20050205065
2005-09-22

High-pressure fuel pump with a pressure relief valve

#148
20050155586
2005-07-21

Apparatus for controlling a pressure in a fuel inflow line

#149
20050150109
2005-07-14

Method of processing valve mechanism

#150
20050081928
2005-04-21

Flow control valve

#151
20050076955
2005-04-14

Pressure-relief valve

#152
20050061372
2005-03-24

Pressure regulator assembly

#153
20050022879
2005-02-03

Valve

#154
20050016599
2005-01-27

Pressure control valve

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17589949
2023-03-07

Pressure compensation valve with load-sense fluid signal generation and a reverse free flow configuration integrated therewith

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16878981
2021-11-02

System and method for exhausting stored energy from a pneumatic subsystem of a railcar

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15977833
2020-04-07

Method of servicing an electronically controlled PRV system