ClassID:

152286

F16K17/0466 - 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 a special seating surface

Recent Application in this class:
#1
20260071689
2026-03-12

VALVE SEAT ASSEMBLIES FOR RELIEF VALVES

#2
20250389340
2025-12-25

HYDRAULIC PRESSURE-RELIEF VALVE WITH LOW PRESSURE DROOP

#3
20250369527
2025-12-04

SPRING-LOADED RELIEF VALVES HAVING GUIDED SEATS

#4
20250347348
2025-11-13

CHECK VALVE FOR HIGH-PRESSURE FLUIDS, INCLUDING ABRASIVES LADEN FLUIDS

#5
20250198524
2025-06-19

REMOVABLE VALVE SEAT INSERTS FOR PRESSURE AND VACUUM RELIEF VALVES

#6
20250084928
2025-03-13

PRESSURE BALANCED VALVE WITH INTEGRAL PRESSURE RELIEF FUNCTION

#7
20240376990
2024-11-14

PRESSURE RELIEF VALVE

#8
20240209913
2024-06-27

Shock Absorber Assembly

#9
20230349477
2023-11-02

Pressure relief valve

#10
20230349399
2023-11-02

HYDRAULIC CONTROL VALVE, HYDRAULIC CONTROL SYSTEM, AND TRANSMISSION

#11
20230332705
2023-10-19

Pressure relief valve with bi-directional seat

#12
20230332704
2023-10-19

FLUID VALVE OR HYDRANT

#13
20230296182
2023-09-21

Pressure-reducing valve and method for manufacturing same

#14
20230175603
2023-06-08

PRESSURE RELIEF VALVE FOR HIGH-PRESSURE FLUIDS, INCLUDING ABRASIVES LADEN FLUIDS

#15
20230151899
2023-05-18

Mechanical valve for pressure control

#16
20230013721
2023-01-19

Shock absorber assembly

#17
20230010656
2023-01-12

Device for regulating pressures of a flow medium using a valve

#18
20230003274
2023-01-05

Shock absorber assembly

#19
20220390018
2022-12-08

OVERPRESSURE PROTECTION VALVE

#20
20220299035
2022-09-22

Vacuum pump comprising a relief valve and a method of assembly of the relief valve

#21
20220290762
2022-09-15

Poppet and seat cartridge valve subassembly

#22
20220243831
2022-08-04

Pressure relief valve with bi-directional seat

#23
20220196181
2022-06-23

INFLATABLE SYSTEMS WITH ELECTRO-PNEUMATIC VALVE MODULES

#24
20220186848
2022-06-16

Pressure reducing valve

#25
20220146007
2022-05-12

Overpressure protection valve

#26
20220128160
2022-04-28

Compact inline over-pressurization protection device

#27
20220106857
2022-04-07

Traveling relief valve

#28
20220049783
2022-02-17

Valve, method for producing a valve, and device for regulating the pressure of a fluid in a vehicle transmission, comprising a valve designed as a pressure compensation valve

#29
20210324962
2021-10-21

One-way valve and air supply system for massage pool

#30
20210301936
2021-09-30

Freely clocking check valve

#31
20210222785
2021-07-22

Valve seat assembly

#32
20210190250
2021-06-24

Coupling with pressure relief

#33
20210062805
2021-03-04

Valve seats and valve assemblies for fluid end applications

#34
20200408316
2020-12-31

Pressure relief valve with bi-directional seat

#35
20200386337
2020-12-10

Valve of a hydraulic circuit with constant pressure drop

#36
20200271235
2020-08-27

Pressure reducing valve

#37
20200259146
2020-08-13

Venting device and method for manufacturing the same

#38
20200200058
2020-06-25

Pressure-limiting valve

#39
20200025301
2020-01-23

Damping mechanism for valves

#40
20200023729
2020-01-23

Methods and system for a zero hysteresis valve

#41
20190390730
2019-12-26

Shock absorber assembly

#42
20190264682
2019-08-29

Valve seats and valve assemblies for fluid end applications

#43
20190226926
2019-07-25

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

#44
20190226476
2019-07-25

Valve seats and valve assemblies for fluid end applications

#45
20190226475
2019-07-25

Valve seats and valve assemblies for fluid end applications

#46
20190170266
2019-06-06

Pressure relief valve

#47
20190145537
2019-05-16

Coined seat for metal-to-metal seating

#48
20190093782
2019-03-28

Pressure-limiting valve

#49
20190092618
2019-03-28

Testable overfill prevention valve for a liquid storage container

#50
20190040966
2019-02-07

Valve seat with a hardened sleeve interior and a metal exterior

#51
20180320682
2018-11-08

Relief valve assembly and components thereof

#52
20180142533
2018-05-24

Chemical injection valve with enhanced sealing capability

#53
20180142532
2018-05-24

Chemical injection valve with stem bypass flow

#54
20170145858
2017-05-25

Valve device and jet engine with a valve device

#55
20170139428
2017-05-18

Valve with flow control and pressure limitation function

#56
20170059049
2017-03-02

Pressure release valve for oil recovery systems

#57
20170030616
2017-02-02

Throttle device, and refrigeration cycle system including same

#58
20160201809
2016-07-14

Valve sealing arrangement

#59
20160091102
2016-03-31

Pilot-operated pressure relief valve with lateral pressure connection

#60
20150345650
2015-12-03

Safety valve

#61
20150276076
2015-10-01

Pressure relief valve

#62
20150083242
2015-03-26

Relief valve

#63
20150004036
2015-01-01

Relief valve assembly and components thereof

#64
20140216575
2014-08-07

Check valve

#65
20130306166
2013-11-21

Pressure-limiting valve

#66
20070095404
2007-05-03

Pressure limiting valve with a hydraulic seal ring

#67
20070034263
2007-02-15

Valve, especially a gas safety valve

#68
20060207662
2006-09-21

Pressure relief valve

#69
20060157116
2006-07-20

Balanced safety relief valve

#70
20060005885
2006-01-12

Poppet valve arrangements

#71
20050133094
2005-06-23

Enclosure system for pressure relief device

#72
20050034765
2005-02-17

Fuel pressure regulator having offset head and orifice axes

#73
20050016597
2005-01-27

Fluid flow control valve

#74
17138389
2022-04-19

Safety valve for hot water heater

#75
15042754
2017-08-22

Pressure relief valve

#76
14291301
2016-06-21

Pressure relief valve