ClassID:

152292

F16K17/065 - 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 with differential piston

Recent Application in this class:
#1
20250264162
2025-08-21

HIGH STABILITY REGULATOR

#2
20250237320
2025-07-24

MULTI-FUNCTION FLUID CONTROL VALVE

#3
20240044415
2024-02-08

High stability regulator

#4
20240003450
2024-01-04

Hydrostatically Adjustable Valve and Associated System

#5
20230349399
2023-11-02

HYDRAULIC CONTROL VALVE, HYDRAULIC CONTROL SYSTEM, AND TRANSMISSION

#6
20230243324
2023-08-03

FUEL VALVE

#7
20230027703
2023-01-26

Pressure referenced valve

#8
20220243832
2022-08-04

High stability regulator

#9
20210404571
2021-12-30

Pilot relief valve

#10
20210356050
2021-11-18

RELIEF VALVE

#11
20210301936
2021-09-30

Freely clocking check valve

#12
20210095773
2021-04-01

Hydrostatically adjustable valve and associated system

#13
20200309473
2020-10-01

APPARATUS FOR PROTECTING NEGATIVE PRESSURE

#14
20200166149
2020-05-28

Pilot-pressure-controlled flow valve and fluid system containing same

#15
20200054417
2020-02-20

Overload protection device and high-speed dental handpiece comprising same

#16
20200025301
2020-01-23

Damping mechanism for valves

#17
20190310665
2019-10-10

Force equilibrium of a valve rod due to internal pressure equalization

#18
20190309865
2019-10-10

Positive pressure relief valve

#19
20190234524
2019-08-01

PLATE-LESS INLET VALVE

#20
20190145293
2019-05-16

Relief valve device

#21
20180306340
2018-10-25

Externally adjustable flow management valve assembly and system

#22
20180245489
2018-08-30

SOLENOID-ACTUATED PRESSURE-RELIEF VALVE

#23
20180087682
2018-03-29

Pressure reduction valve device

#24
20180066760
2018-03-08

Pressure Reducing Valve

#25
20180064040
2018-03-08

Controlling valve operation using pressure

#26
20180051529
2018-02-22

Method and valve assembly for flushing of debris

#27
20170251613
2017-09-07

Controlling valve operation using pressure

#28
20170204850
2017-07-20

Over pressure relief system for fluid ends

#29
20170044939
2017-02-16

Relief valve device

#30
20170016546
2017-01-19

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

#31
20160341324
2016-11-24

Relief valve

#32
20160076557
2016-03-17

Counterbalance valve with dual or triple pilot ratio

#33
20160053906
2016-02-25

Remotely-actuated dual-pressure relief valve

#34
20150345651
2015-12-03

Method and apparatus for beverage extraction with improved gas cylinder access

#35
20150285392
2015-10-08

Vent valve and method of use

#36
20150034179
2015-02-05

Flow control system and control valve having closure assistance

#37
20140373936
2014-12-25

SODA MACHINE WITH A PRESSURE ADJUSTMENT FITTING

#38
20140367415
2014-12-18

Method and apparatus for beverage extraction with improved gas cylinder access

#39
20140124062
2014-05-08

Valve assembly for pressure storage vessel

#40
20140069529
2014-03-13

Relief valve

#41
20130306166
2013-11-21

Pressure-limiting valve

#42
20130233409
2013-09-12

Dynamically adjusting counterbalance valve

#43
20130233396
2013-09-12

Latching clutch valve

#44
20130205486
2013-08-15

Flushing mechanism

#45
20120305108
2012-12-06

Pilot-operated pressure control valve

#46
20120199523
2012-08-09

Condensate valve

#47
20120103439
2012-05-03

Flow control assembly

#48
20110272044
2011-11-10

Multi-mode pressure relief valve

#49
20110272036
2011-11-10

Hydraulic heater valve

#50
20110209780
2011-09-01

FOAM SPRAY GUN HOSES WHICH PREVENT CROSSOVER

#51
20110180164
2011-07-28

Pressure relief valve with a poppet valve seal

#52
20100281997
2010-11-11

Flow control assembly

#53
20100200084
2010-08-12

PRESSURE CONTROL SYSTEM AND PRESSURE REGULATING VALVE THEREOF

#54
20100069517
2010-03-18

Method of forming a polyurethane foam

#55
20100025601
2010-02-04

Poppet valve with sloped purge holes and method for reducing a pressure force therein

#56
20080236678
2008-10-02

Relief valve for heavy equipment

#57
20070284009
2007-12-13

Bursting Diaphragm Arrangement

#58
20070157971
2007-07-12

Releasable non-return valve

#59
20070034262
2007-02-15

Pressure relief valve

#60
20060237070
2006-10-26

Plug incorporating pressure-sensitive valve

#61
20060157116
2006-07-20

Balanced safety relief valve

#62
20060151031
2006-07-13

Directly controlled pressure control valve

#63
20060096900
2006-05-11

Selector valve of a pressure filter for aquariums or ponds

#64
20060091340
2006-05-04

Latching valve for a torque-transmitting mechanism in a transmission

#65
20050236500
2005-10-27

Selectable rotary sprayer

#66
20050183775
2005-08-25

Pilot operated relief valve

#67
15714276
2019-10-08

Pressure regulating valve with incorporated shut-off mechanism and fluid bypass