ClassID:

152299

F16K17/12 - 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 weight-loaded

Recent Application in this class:
#1
20250334195
2025-10-30

Gravity Actuated Flow Control Apparatus and Method

#2
20240142012
2024-05-02

Gravity Actuated Flow Control Apparatus and Method

#3
20230349478
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Gravity actuated flow control apparatus and method

#4
20230296183
2023-09-21

Non-return check valve and check valve apparatus for vacuum system

#5
20230250891
2023-08-10

MAGNETICALLY REGULATED PRESSURE RELIEF VALVE

#6
20230228337
2023-07-20

Steam Regulation Valve

#7
20230151899
2023-05-18

Mechanical valve for pressure control

#8
20230127603
2023-04-27

Grit Suppression Ball Valve Assembly for Blast Pot

#9
20230027839
2023-01-26

Valve device

#10
20220072285
2022-03-10

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

#11
20210180710
2021-06-17

Pressure regulator and method of using the same

#12
20210164578
2021-06-03

Gravity actuated flow control apparatus and method

#13
20210041033
2021-02-11

Gravity actuated flow control apparatus and method

#14
20200224602
2020-07-16

Crankcase ventilation system with constant restriction in the flow direction and free flow in an opposite direction

#15
20200224565
2020-07-16

Crankcase ventilation system with a flow control device for on board diagnostics

#16
20200150697
2020-05-14

GAS VENT WITH CARBON FILTER FOR LANDFILLS

#17
20200096128
2020-03-26

Pilot operated regulator with adjustable minimum delivery pressure

#18
20200003475
2020-01-02

Cold room combination vent and light

#19
20190249775
2019-08-15

Device for closed systems for equalizing pressure surges

#20
20190154163
2019-05-23

Pressure relief valve

#21
20180289206
2018-10-11

Beverage preparation device with disk valve and operating method

#22
20180209556
2018-07-26

Relief valve

#23
20180163892
2018-06-14

Pneumatic valve

#24
20180002902
2018-01-04

Automatic fluid flow controlling device for stopping flow of running fluid

#25
20170356557
2017-12-14

Vacuum breaker valve assembly

#26
20170304749
2017-10-26

Fuel filter device

#27
20170299076
2017-10-19

Vehicle tank pressurization device

#28
20170219110
2017-08-03

Hydrostatic tank floor relief valve

#29
20170218610
2017-08-03

Air admittance valve

#30
20170215624
2017-08-03

Heatable canteen

#31
20170059048
2017-03-02

Rotatable Pressure Relief Valve Assembly

#32
20160290517
2016-10-06

One-way check valve for solid particulate flow pipeline

#33
20160281872
2016-09-29

PRESSURE REGULATING VALVE

#34
20160281871
2016-09-29

PRESSURE REGULATING VALVE

#35
20160235951
2016-08-18

Bi-phase fluid surge suppressor device

#36
20160208941
2016-07-21

Vent valve for gas pressure regulators and pressure regulator equipped with said vent valve

#37
20160208468
2016-07-21

Compact air stop valve for aircraft galley plumbing system

#38
20160003367
2016-01-07

SPRINGLESS REGULATOR

#39
20150233576
2015-08-20

Pressure relief valve with rotating damper

#40
20150184756
2015-07-02

Pressure relief valve

#41
20150167857
2015-06-18

Pressure vacuum relief valve

#42
20150153042
2015-06-04

Pressure relief valve with rotating damper

#43
20150068622
2015-03-12

Check valve for use with pumps controlled by variable frequency drives

#44
20140345715
2014-11-27

Trickle valve assembly and a method of supplying particulate material through such trickle valve assembly

#45
20140326347
2014-11-06

Pressure relief valve for containers suited for the pneumatic loading of loose solid products, in particular silos

#46
20140305956
2014-10-16

Vent valve

#47
20140305520
2014-10-16

Pressure relief valve

#48
20140251465
2014-09-11

Tip-resistant valve plugs

#49
20140069530
2014-03-13

Check valve

#50
20130312844
2013-11-28

Compact air stop valve for aircraft galley plumbing system

#51
20130213497
2013-08-22

Control valve

#52
20130153579
2013-06-20

Safety device for a fluid storage tank, related systems and methods

#53
20130140479
2013-06-06

BALL SEATS HAVING SEAL INTERFACE ELEMENT FOR PROLONGING THE SEAL BETWEEN BALL AND SEAT IN CORROSIVE ENVIRONMENTS AND METHODS OF USING SAME

#54
20130118612
2013-05-16

Clack valve assembly

#55
20120302937
2012-11-29

Programmable device for treating over drainage due to siphonic effects in hydrocephalus shunt systems

#56
20120273209
2012-11-01

WEGHTED PRESSURE RELIEF VALVE

#57
20120174994
2012-07-12

Venting Valve For Cargo Tanks

#58
20120042969
2012-02-23

Tip-resistant valve plugs

#59
20110315271
2011-12-29

Device for filling a tank by gravity or under pressure

#60
20110240133
2011-10-06

Ejector valve with glands

#61
20110061751
2011-03-17

Tilting Disc Swing Check Valve

#62
20110056452
2011-03-10

Gravity-Activated Valve For Use In Supplying An Uninterrupted Supply Of Fluid

#63
20110011464
2011-01-20

Vent with improved seal

#64
20100140014
2010-06-10

Flow Passage Control Valve for Muffler

#65
20090223575
2009-09-10

Ejector valve machine

#66
20080099713
2008-05-01

Ejector valve machine

#67
20070113902
2007-05-24

Relief valve assembly

#68
20060211363
2006-09-21

Fire protection : air escape vent

#69
20060192168
2006-08-31

Suction actuated gravity deactivated ball valve

#70
20050194048
2005-09-08

Backpressure regulator

#71
20050133095
2005-06-23

Ball check for pressure test port

#72
20050109974
2005-05-26

Valve for a non-refillable pressurized container

#73
14979710
2018-06-12

Forage gas relief valve device