ClassID:

152318

F16K17/26 - CPC Classification

Classification description:

Safety valves; Equalising valves, e.g. pressure relief valves; Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in either direction

Recent Application in this class:
#1
20260022777
2026-01-22

BIDIRECTIONAL EXCESS FLOW VALVE

#2
20250327530
2025-10-23

BIDIRECTIONAL EXCESS FLOW VALVE

#3
20250058592
2025-02-20

SYSTEM AND METHOD FOR TIRE LEAK DETECTION

#4
20230088239
2023-03-23

SYSTEM FOR MAINTAINING INTEGRITY OF A DRY PIPE SYSTEM WITH HEATED CABINET AND FLOW RESTRICTOR VALVE

#5
20230052109
2023-02-16

Synchronous switch valve core with voltage stabilizing function

#6
20230021842
2023-01-26

Shuttle valve poppet mechanism

#7
20220234397
2022-07-28

System and method for tire leak detection

#8
20220205549
2022-06-30

Explosion protection valve for decoupling system parts or workpieces, comprising a bearing assembly for the valve closing body

#9
20220025975
2022-01-27

Explosion protection valve for decoupling system parts or workpieces, comprising a sealing ring

#10
20210071772
2021-03-11

Pressure-compensated, subsea chemical injection valve

#11
20200173253
2020-06-04

Valve with shuttle

#12
20200148015
2020-05-14

Tire management system and method

#13
20200110429
2020-04-09

Control line stabilizer for a pressure regulator

#14
20190331235
2019-10-31

Dual lock flow gate

#15
20190330958
2019-10-31

Dual lock flow gate

#16
20190277417
2019-09-12

Flow-rate control valve

#17
20190255892
2019-08-22

Tire management system and method

#18
20190125953
2019-05-02

Dialysis machine and constant flow regulator

#19
20180188749
2018-07-05

Hydraulic valve for dampening pressure spikes, and associated systems and methods

#20
20180162182
2018-06-14

Tire management system and method

#21
20180119835
2018-05-03

Unit for the regulation or control of a fluid pressure

#22
20170363217
2017-12-21

Main Stage In-Line Pressure Control Cartridge with Optional Reverse Flow Function

#23
20170224564
2017-08-10

Bidirectional fluid flow valve and method

#24
20170219108
2017-08-03

Flow-controlling unit having function of limiting tilting angle of flow-controlling piece

#25
20170145785
2017-05-25

Valve with shuttle

#26
20160348542
2016-12-01

Flow passage partition structure and fluid control valve

#27
20160348471
2016-12-01

Fluid release valve

#28
20160264396
2016-09-15

Valve Assembly

#29
20160040797
2016-02-11

Main stage in-line pressure control cartridge with stepped retainer collar

#30
20150308581
2015-10-29

Main stage in-line pressure control cartridge with optional reverse flow function

#31
20140261723
2014-09-18

Bidirectional fluid flow valve and method

#32
20140124063
2014-05-08

Stop valve for pressure storage vessel

#33
20140124062
2014-05-08

Valve assembly for pressure storage vessel

#34
20140048250
2014-02-20

Valve with shuttle

#35
20130228237
2013-09-05

Valve assembly

#36
20130192693
2013-08-01

Transmission sealing and drainage device

#37
20130140881
2013-06-06

Brake fluid pressure retainer device

#38
20130037736
2013-02-14

Shuttle valve

#39
20120199210
2012-08-09

Valve with shuttle

#40
20120152390
2012-06-21

Mixed Water Control Valve Having A Water Pressure Balance Function to Stabilize Water Temperature

#41
20120152389
2012-06-21

Mixed Water Control Valve Having A Water Pressure Balance Function to Stabilize Water Temperature

#42
20120145936
2012-06-14

Mixed water control valve having a water pressure balance function to stabilize water temperature

#43
20120103436
2012-05-03

Two-handle Type Faucet Having a double Anti-reverse function to prevent waste materials from flowing backward into the faucet when disaster happens

#44
20120024400
2012-02-02

Valve assembly

#45
20110271988
2011-11-10

Dual Pressure Spray Arm Assembly with Diverter Valve

#46
20110259428
2011-10-27

Flow management system and method

#47
20110036433
2011-02-17

Relief valves for fuel cell systems

#48
20100307608
2010-12-09

Valve assembly

#49
20100218963
2010-09-02

Explosion protection valve

#50
20090320936
2009-12-31

Dual action low head isolation valve

#51
20090032121
2009-02-05

Check Valve

#52
20070193630
2007-08-23

Thermostatic expansion valve with check valve

#53
20070131283
2007-06-14

Sanitary tank vent valve

#54
20060162774
2006-07-27

Valve assembly

#55
20060081295
2006-04-20

Flow regulating valve

#56
20060049373
2006-03-09

Blocking element, especially an explosion protection valve

#57
20050211303
2005-09-29

Bi-directional damper valve for a hydraulic line, power steering system incorporating the damper valve, and methods of using same

#58
20050028869
2005-02-10

Combination valve for fuel system

#59
18638008
2025-10-21

Bidirectional excess flow valve

#60
16908193
2022-04-12

Fluid expansion tank

#61
15846866
2020-06-23

Fluid expansion tank