ClassID:

152237

F16K15/031 - CPC Classification

Classification description:

Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member the hinge being flexible

Recent Application in this class:
#1
20250122951
2025-04-17

SYSTEMS AND METHODS FOR DETERMINING VALVE FLUTTER

#2
20240044414
2024-02-08

Inflatable object and valve therefor

#3
20230145717
2023-05-11

Inflatable object and valve therefor

#4
20230014127
2023-01-19

Reed valve and reed valve airbox

#5
20220282796
2022-09-08

Valve unit, filter head for a valve unit, and filter system

#6
20210381611
2021-12-09

Inflatable object and valve therefor

#7
20210285363
2021-09-16

Reed valve and reed valve airbox

#8
20210199209
2021-07-01

Check valve

#9
20200362852
2020-11-19

Flap valve with improved retainer

#10
20200224780
2020-07-16

A NON-RETURN VALVE

#11
20200173568
2020-06-04

Directional valve, especially for breathing gases, and method for manufacturing same

#12
20200141504
2020-05-07

Check-valve

#13
20190277415
2019-09-12

Spring loaded check valve

#14
20190270362
2019-09-05

NOISE-DAMPENING PRESSURE RELIEF ASSEMBLY

#15
20190234646
2019-08-01

DUCT DAMPER

#16
20190168607
2019-06-06

Ventilation flow rate regulator for a pressurised tank of a vehicle

#17
20190054803
2019-02-21

Flap-cushioning pressure relief assembly

#18
20180356002
2018-12-13

Rod-mounted buffer to cushion check valve closure

#19
20180180211
2018-06-28

Valve insert

#20
20180156355
2018-06-07

Noise-dampening pressure relief valve

#21
20180142452
2018-05-24

Valvular device

#22
20180087680
2018-03-29

Directional valve, especially for breathing gases, and method for manufacturing same

#23
20180051903
2018-02-22

APPARATUS FOR INHIBITING AIRFLOW THROUGH A CONDUIT

#24
20170350285
2017-12-07

Valve for Controlling a Gas Stream, Liquid Separator, Venting System and Internal Combustion Engine Having Such a Valve

#25
20170343122
2017-11-30

Check valve with accelerated closure

#26
20170307092
2017-10-26

Convertible check valve

#27
20170198823
2017-07-13

Check valve with accelerated closure

#28
20170152959
2017-06-01

Backwater valve assembly and method

#29
20170114911
2017-04-27

Valve structure, nonlubricated linear compressor, and cryocooler

#30
20160319977
2016-11-03

Valve insert

#31
20160317779
2016-11-03

Low flow controller

#32
20160201308
2016-07-14

Odour trap and system of a transport conduit with a division into a main branch and a side branch and such an odour trap

#33
20160184549
2016-06-30

Fluid coupling member including valve member

#34
20160038662
2016-02-11

Device having a flow channel, a nonreturn valve, and a flow detector that detects a position of the nonreturn valve

#35
20150375598
2015-12-31

Pressure relief valve

#36
20150240960
2015-08-27

High opening velocity check valve

#37
20150219229
2015-08-06

Self-sealing valve

#38
20150198343
2015-07-16

Valve for roof vent

#39
20150165873
2015-06-18

Return air blocking device for ventilation of the interior of a motor vehicle

#40
20140230916
2014-08-21

Anchor valve for security

#41
20140060673
2014-03-06

Valve insert

#42
20140056744
2014-02-27

Valve and diaphragm for a pump

#43
20140000739
2014-01-02

Foamable filling device

#44
20130261530
2013-10-03

Adjustable valve for IOP control with reed valve

#45
20130037278
2013-02-14

Differential dry pipe valve

#46
20120298665
2012-11-29

One-piece flap device, injection-moulded from elastic material

#47
20120216878
2012-08-30

Valve for controlling the flow of steam and other fluids

#48
20120177510
2012-07-12

HIGH-SPEED CHECK VALVE SUITABLE FOR CRYOGENS AND HIGH REVERSE PRESSURE

#49
20120168658
2012-07-05

VALVE HAVING AN ABLATED FLAP

#50
20120121449
2012-05-17

Check valve

#51
20120073277
2012-03-29

Valve for motor vehicle exhaust muffler

#52
20120036993
2012-02-16

COMPRESSOR VALVE ARRANGEMENT

#53
20120023649
2012-02-02

DRY TRAP VALVE FOR USE IN A NON-FLUSHING URINAL AND OTHER DRAINS

#54
20110272609
2011-11-10

Releasing valve for an inflatable object

#55
20110103984
2011-05-05

Valve and diaphragm for a pump

#56
20110041930
2011-02-24

Pressure relief valve

#57
20110034907
2011-02-10

Device for providing anti-reflux in a body fluid collection and/or sampling system, and method of manufacturing such a device

#58
20110017316
2011-01-27

Backflow preventing apparatus for water closets

#59
20100329911
2010-12-30

Check valve and piston pump having check valve

#60
20100126159
2010-05-27

Valve for a motor vehicle exhaust silencer, and silencer comprising a valve of this type

#61
20100089596
2010-04-15

Method and device for controlling a fire-extinguishing system of the high-pressure gas type

#62
20100037927
2010-02-18

Device for blocking fluid passage through a tubular part by means of a check valve, particularly in a household appliance

#63
20090283161
2009-11-19

Apparatus And Method For Administering Ingestible Liquids

#64
20090120503
2009-05-14

Valve for controlling the flow of steam and other fluids

#65
20090104866
2009-04-23

Ventilation device

#66
20090071552
2009-03-19

Backflow preventing apparatus for water closets

#67
20090071551
2009-03-19

Living-hinge air vent valve

#68
20090000666
2009-01-01

Anchor valve for security

#69
20080092959
2008-04-24

Device for separating oil from an oil-air separator of an oil reservoir

#70
20070282283
2007-12-06

Device for providing anti-reflux in a body fluid collection and/or sampling system, and method of manufacturing such a device

#71
20070240772
2007-10-18

In-line, one-way valve assembly

#72
20070235088
2007-10-11

Reinforced elastomeric hinge check valve

#73
20070095406
2007-05-03

Side-mounted position indicator for flapper check valve

#74
20060102234
2006-05-18

Device for creating a pulsating flow of gas or fluid

#75
20060016482
2006-01-26

Device for preventing backflow in a cooling system

#76
20050279103
2005-12-22

Hingeless flapper valve for flow control

#77
20050229978
2005-10-20

Check valve with pressure relief feature

#78
20050199845
2005-09-15

Active pressure relief valves and methods of use

#79
17217066
2022-04-19

Flapper valve