ClassID:

152255

F16K15/142 - CPC Classification

Classification description:

Check valves with flexible valve members the closure elements not being fixed to the valve body the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings

Recent Application in this class:
#1
20250215984
2025-07-03

CHECK VALVE AND COMPACT PUMP SYSTEM

#2
20250035225
2025-01-30

TIMING ADJUSTMENT VALVE AND SUCKBACK VALVE PROVIDED WITH SAME

#3
20240173731
2024-05-30

GAS-FILLED RESILIENT BODY AND USE THEREOF

#4
20230279791
2023-09-07

Fluid control valve and valve timing changing device

#5
20220163135
2022-05-26

Check valve with secondary backflow seal

#6
20220025981
2022-01-27

Gas-filled resilient body and use thereof

#7
20220001407
2022-01-06

System and method for dispensing a mixture of a liquid and an additive and cartridge for use therein

#8
20210310579
2021-10-07

Check valve with secondary backflow seal

#9
20200408115
2020-12-31

Valve device

#10
20200078580
2020-03-12

Connector for transferring fluid and method of use

#11
20190263370
2019-08-29

Valve assembly, brake system and method for operating a valve assembly

#12
20190186485
2019-06-20

Spring-energized check valve

#13
20190024810
2019-01-24

Check valve structure

#14
20180345002
2018-12-06

Connector for transferring fluid

#15
20180245703
2018-08-30

Valve structure with elastic anti-leakage member

#16
20180202469
2018-07-19

Hydraulic module for controlling a hydraulic fluid flow of a connecting rod for an internal combustion engine with variable compression and a connecting rod

#17
20180058341
2018-03-01

Internal combustion engine with compressor, exhaust-gas recirculation arrangement and pivotable flap

#18
20180010516
2018-01-11

Check valve for connecting rod for variable compression internal combustion engine

#19
20170290216
2017-10-05

Connector for transferring fluid and method of use

#20
20170241303
2017-08-24

Control valve with check valve

#21
20170009899
2017-01-12

Flow limiting device with a back flow prevention

#22
20160287858
2016-10-06

Connector for transferring fluid

#23
20160131271
2016-05-12

Non-return valve for a tubular consolidation element

#24
20160126517
2016-05-05

Sealing plug arrangement, housing and accumulator

#25
20150369092
2015-12-24

Hydraulic valve for an internal combustion engine

#26
20150233360
2015-08-20

Peristaltic positive displacement pump apparatus

#27
20150167855
2015-06-18

Dispensing machine valve and method

#28
20140174566
2014-06-26

Excess pressure safety relief valve

#29
20140155836
2014-06-05

Connector for transferring fluid and method of use

#30
20130240071
2013-09-19

One-way seal for process valves

#31
20130240050
2013-09-19

NON-RETURN VALVE FOR A TUBULAR CONSOLIDATION ELEMENT

#32
20130074964
2013-03-28

Quick connector having check device

#33
20130032747
2013-02-07

Face sealing annular valve for a fluid-working machine

#34
20120080625
2012-04-05

Safety valve and electromagnetic valve

#35
20120080109
2012-04-05

Cleaning water supply device

#36
20120080097
2012-04-05

Air intake module of water feeding apparatus

#37
20120042843
2012-02-23

Hydraulic lash adjuster for internal combustion engine

#38
20110272033
2011-11-10

Dispensing machine valve and method

#39
20110152787
2011-06-23

Connector for transferring fluid and method of use

#40
20100258214
2010-10-14

Refueling valve for a fuel storage system and method therefor

#41
20100006604
2010-01-14

Lotion pump and one-way valve incorporated therein

#42
20100000918
2010-01-07

Two piece non-metallic relief valve

#43
20090299300
2009-12-03

Connector for transferring fluid and method of use

#44
20090179163
2009-07-16

Control valve trim and seal

#45
20090166575
2009-07-02

Control valve with profiled packing element

#46
20080166625
2008-07-10

Gas release valve

#47
20070272306
2007-11-29

Closure device with a pressure valve

#48
20070193627
2007-08-23

Backpressure relief valve

#49
20070193626
2007-08-23

Cartridge assembly retainer

#50
20070056636
2007-03-15

Spring actuated check valve

#51
20060225791
2006-10-12

Valve with check valve

#52
20060175357
2006-08-10

Valve

#53
20060166594
2006-07-27

Valve and retainer assembly for latex balloons

#54
20060159571
2006-07-20

Conveying device

#55
20060112995
2006-06-01

Check valve for pump of electronically controlled brake system

#56
20060086360
2006-04-27

Gas mask for normal pressure operation and overpressure operation

#57
20060027270
2006-02-09

Connector with check valve and method of use

#58
20060011238
2006-01-19

Backflow preventer

#59
20050229979
2005-10-20

Elastomeric check valve

#60
20050205589
2005-09-22

Sippy cup valve

#61
20050173005
2005-08-11

Pressure relief valve with direct hydraulic damping

#62
20050087245
2005-04-28

Hydraulic coupling comprising a pressure bleed device

#63
20050072480
2005-04-07

Annular one-way valve

#64
20050005979
2005-01-13

Seal and bleed valve unit for electric batteries