ClassID:

152256

F16K15/144 - CPC Classification

Classification description:

Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery

Sub-classes:
Recent Application in this class:
#1
20260042580
2026-02-12

VENTING DEVICE, LID, AND CONTAINER COMPRISING LID

#2
20260035164
2026-02-05

BEVERAGE PODS WITH PRESSURE RELIEF VALVES

#3
20250327529
2025-10-23

VALVE FOR CONTROLLING FLUID FLOW THERETHROUGH

#4
20250198519
2025-06-19

PNEUMATIC VALVE

#5
20240426389
2024-12-26

VALVE AND FLUID CONTROL DEVICE

#6
20240353045
2024-10-24

Vacuum breaker valve

#7
20240350763
2024-10-24

PRESSURE CONTROLLED EXHAUST VENT

#8
20240132268
2024-04-25

FLUID CONTAINER WITH CHECK VALVE

#9
20240033498
2024-02-01

CHECK VALVES

#10
20240026985
2024-01-25

Check valve for low pressure operating conditions

#11
20230367337
2023-11-16

DEVICE AND METHOD FOR LIMITING OR KEEPING CONSTANT A FLOWING QUANTITY OF LIQUID

#12
20230323970
2023-10-12

Valve

#13
20230107675
2023-04-06

VENTING DEVICE, LID, AND CONTAINER COMPRISING LID

#14
20230099255
2023-03-30

Color changing and pressure sensing check valves

#15
20230095379
2023-03-30

CHECK VALVE, CHECK VALVE-EQUIPPED BRANCHING TOOL, AND CLEANER DEVICE

#16
20230078364
2023-03-16

VALVE SETUP FOR CHROMATOGRAPHY AND FLUID MANAGEMENT SYSTEMS

#17
20220381351
2022-12-01

Valve for single-use applications

#18
20220362540
2022-11-17

MEDICAL FLUID TRANSFER DEVICE

#19
20220333704
2022-10-20

Valve and application apparatus

#20
20220120269
2022-04-21

Thin profile gas transporting device

#21
20220099203
2022-03-31

Color changing and pressure sensing check valves

#22
20220099202
2022-03-31

Fluid Unidirectional Flow Structure, Check Assembly, and Respiratory Device

#23
20220018458
2022-01-20

Valve

#24
20210389784
2021-12-16

DEVICE AND METHOD FOR LIMITING OR KEEPING CONSTANT A FLOWING QUANTITY OF LIQUID

#25
20210372537
2021-12-02

Blade type check valve

#26
20210372533
2021-12-02

Valve seat assembly

#27
20210364095
2021-11-25

Valve for single-use applications

#28
20210341075
2021-11-04

Pneumatic lost motion/binary device system and method

#29
20210341071
2021-11-04

Serviceable valve carousel system

#30
20210276780
2021-09-09

Pressure relief valve with wetting fluid reservoirs

#31
20210190215
2021-06-24

DISPOSABLE DENTAL VALVE DEVICE HAVING A SOCKET END

#32
20210190059
2021-06-24

Linear compressor

#33
20210180707
2021-06-17

Discharge valve

#34
20210172539
2021-06-10

Check valve element for a check valve assembly and corresponding check valve assembly

#35
20210161631
2021-06-03

Dental valve device having a flexible tubing

#36
20210138183
2021-05-13

Pressure controlled exhaust vent

#37
20210115916
2021-04-22

Valve and fluid control apparatus

#38
20200399042
2020-12-24

Vacuum storage bag assembly and vacuum storage system therewith

#39
20200378509
2020-12-03

AIR VALVE FOR AN INFLATABLE DEVICE

#40
20200355277
2020-11-12

VALVE FOR SINGLE-USE APPLICATIONS

#41
20200353141
2020-11-12

Artificial heart system

#42
20200326007
2020-10-15

Serviceable valve carousel system

#43
20200282199
2020-09-10

Castellated check valves

#44
20200217426
2020-07-09

Valve and application apparatus

#45
20200198868
2020-06-25

SEALING BAG AND METHOD OF USING THE SAME

#46
20200096117
2020-03-26

Vacuum release valve

#47
20200061330
2020-02-27

Exhalation valve for a ventilator apparatus with a valve configuration for reducing noise emission

#48
20200050220
2020-02-13

Device and method for limiting or keeping constant a flowing quantity of liquid

#49
20200047968
2020-02-13

Valve and vacuum storage bag equipped with the valve

#50
20200046961
2020-02-13

Check valve

#51
20190383412
2019-12-19

Valve and associated methods

#52
20190224506
2019-07-25

Membrane valve and manufacturing method therefor

#53
20190203836
2019-07-04

TEMPERATURE-CONTROL DEVICE WITH SPRING ELEMENT

#54
20190177069
2019-06-13

One-way valve

#55
20190168607
2019-06-06

Ventilation flow rate regulator for a pressurised tank of a vehicle

#56
20190151602
2019-05-23

Nonreturn valve for a compact ventilation system as well as compact ventilation system

#57
20190145536
2019-05-16

Cap with valve for inflation

#58
20190145530
2019-05-16

Valve and fluid control appratus

#59
20190054287
2019-02-21

Dental valve device having a flexible tubing

#60
20190047635
2019-02-14

Drain valve

#61
20190032798
2019-01-31

ONE-WAY VALVE

#62
20180371944
2018-12-27

Oil jet for turbine engine with housing including sealing membrane

#63
20180369719
2018-12-27

Device for collecting air accumulated in pipe

#64
20180363803
2018-12-20

Structure for Vane-Type Valve Assembly

#65
20180361827
2018-12-20

Liquid-diverting pressure relief assembly

#66
20180306337
2018-10-25

Transmission control device

#67
20180290808
2018-10-11

Valve for a flexible packaging with an aerating and/or venting opening and method for aerating and/or venting a flexible packaging

#68
20180280682
2018-10-04

Disposable dental valve device having a check valve

#69
20180280127
2018-10-04

Disposable dental valve device having a socket end

#70
20180252325
2018-09-06

Systems and methods for a reed valve module and a modular reed valve assembly

#71
20180252309
2018-09-06

Transmission control device

#72
20180231136
2018-08-16

Airbox drain valve

#73
20180215236
2018-08-02

Flap-retaining clip for a pressure relief assembly

#74
20180202562
2018-07-19

Valve and fluid control apparatus

#75
20180179746
2018-06-28

Bidet and backflow preventing member therefor

#76
20180177179
2018-06-28

Free-flow, animal blocking drain pipe end cap

#77
20180172179
2018-06-21

Self-acting pressure drain valve

#78
20180163381
2018-06-14

Dual air admittance valve

#79
20180156355
2018-06-07

Noise-dampening pressure relief valve

#80
20180142452
2018-05-24

Valvular device

#81
20180128267
2018-05-10

Valve and fluid control apparatus

#82
20180126113
2018-05-10

Expiratory valve

#83
20180119833
2018-05-03

Check valve and valve body

#84
20180118182
2018-05-03

Negative-pressure-type booster device

#85
20180100595
2018-04-12

Double flapper valve for a variable cam timing system

#86
20180056827
2018-03-01

Lay in place capillary control system for air suspended seating

#87
20180023724
2018-01-25

Elastomeric in-line tide gate valve

#88
20180023715
2018-01-25

One way valve assembly

#89
20180003309
2018-01-04

Valve, container for receiving and/or mixing fluids, use of a container and method for receiving and/or mixing fluids

#90
20170356331
2017-12-14

ELECTRIC COMPRESSOR

#91
20170343124
2017-11-30

Shut-Off Body For A Valve And Valve Comprising Said Type Of Shut-Off Body

#92
20170343122
2017-11-30

Check valve with accelerated closure

#93
20170299075
2017-10-19

One way valve

#94
20170298603
2017-10-19

Dual Vertical Check Valve

#95
20170275062
2017-09-28

Valve assembly

#96
20170273767
2017-09-28

Disposable dental valve device having a check valve

#97
20170259984
2017-09-14

Flexible containers having flexible valves

#98
20170241557
2017-08-24

Valve

#99
20170234446
2017-08-17

VALVE CLOSURES

#100
20170219108
2017-08-03

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

#101
20170215744
2017-08-03

Valve, fluid control device, and sphygmomanometer

#102
20170198823
2017-07-13

Check valve with accelerated closure

#103
20170191572
2017-07-06

Valve and fluid control apparatus

#104
20170187018
2017-06-29

Pressure equalization element having a membrane, housing, battery cell module, and motor vehicle

#105
20170120036
2017-05-04

Disposable dental valve device having a check valve

#106
20170119497
2017-05-04

Disposable dental valve device having a check valve

#107
20170105448
2017-04-20

Liquefied Gas Powered Cigarette

#108
20170087329
2017-03-30

Pressure controlled exhaust vent

#109
20170068255
2017-03-09

Flow-controlling unit provided in flow channel

#110
20170065811
2017-03-09

Device for providing a constant amount of aerosol

#111
20170030471
2017-02-02

Multiple parts reed valve and method of manufacturing

#112
20160348662
2016-12-01

Valve and Stop Arrangement for Reciprocating Compressor

#113
20160327173
2016-11-10

Valve-body arrangement and method for producing it, and valve having the valve-body arrangement

#114
20160312910
2016-10-27

High pressure dome check valve

#115
20160291602
2016-10-06

Device and method for limiting or keeping constant a flowing quantity of liquid

#116
20160288434
2016-10-06

Apparatus for sealing and/or inflating objects and self-closing screw coupling

#117
20160279404
2016-09-29

Medical fluid manifold

#118
20160265674
2016-09-15

Dual shot one-way drain hole plug

#119
20160258545
2016-09-08

Resilient deformable air valve

#120
20160223098
2016-08-04

Self-acting pressure drain valve

#121
20160215895
2016-07-28

Sliding skirt valve

#122
20160208940
2016-07-21

Flow-control valve arrangements and improvements

#123
20160201822
2016-07-14

SOLENOID VALVE

#124
20160201673
2016-07-14

Discharge valve and compressor comprising same

#125
20160129781
2016-05-12

Closing plug for an opening in a body structure of an automobile

#126
20160038662
2016-02-11

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

#127
20150369383
2015-12-24

Check valve for ventilation or outlet openings of compressed air apparatuses in vehicles

#128
20150316161
2015-11-05

Regulating apparatus for a pressure activated one-way valve

#129
20150316118
2015-11-05

Damping valve for a shock absorber

#130
20150308681
2015-10-29

FLARE GAS ACTUATED VELOCITY SEAL AND METHOD OF USE THEREOF

#131
20150296951
2015-10-22

Valve, bowl for receiving and/or mixing fluids, use of a bowl and method for receiving and/or mixing fluids

#132
20150276073
2015-10-01

One way valve

#133
20150233484
2015-08-20

Valve, fluidic apparatus, and fluid-supplying apparatus

#134
20150208838
2015-07-30

Valve assembly

#135
20150208781
2015-07-30

Valve, bowl for receiving and/or mixing fluids, use of a bowl and method for receiving and/or mixing fluids

#136
20150204408
2015-07-23

Valve and shock absorber

#137
20150136137
2015-05-21

Anti-asphyxia valve assembly

#138
20150122840
2015-05-07

Flexible containers having flexible valves

#139
20150122583
2015-05-07

Human powered irrigation pump

#140
20150104722
2015-04-16

Freeze-tolerant valve

#141
20150059883
2015-03-05

Pressure-reducing valve

#142
20150041009
2015-02-12

Device for delivery of sample fluid

#143
20150034847
2015-02-05

Valve and fluid control apparatus

#144
20150030484
2015-01-29

Multiple parts reed valve and method of manufacturing

#145
20140373953
2014-12-25

Check valve with flexible membrane

#146
20140318653
2014-10-30

Oil-less pressure relief valves

#147
20140299212
2014-10-09

Check valve, especially for medical applications

#148
20140295310
2014-10-02

Valve and fuel cell system

#149
20140290778
2014-10-02

Fluid control valve

#150
20140271245
2014-09-18

Biflex film valves

#151
20140238497
2014-08-28

One-way valve

#152
20140131609
2014-05-15

Valve-body arrangement and method for producing it, and valve having the valve-body arrangement

#153
20140038083
2014-02-06

Forward check valve and fuel cell system

#154
20130316034
2013-11-28

Casting machine valve

#155
20130276906
2013-10-24

Disc pump valve with performance enhancing valve flap

#156
20130261530
2013-10-03

Adjustable valve for IOP control with reed valve

#157
20130211311
2013-08-15

Pressure-driven membrane valve for pressure control system

#158
20130199626
2013-08-08

Water-saving device structure

#159
20130186481
2013-07-25

Valve for inflatable objects

#160
20130160875
2013-06-27

Plug valve with bowing rigid arms

#161
20130126020
2013-05-23

Automatic water shut-off valve for low pressure

#162
20130118622
2013-05-16

Non-return valve and hydraulic valve with a fitted non-return valve

#163
20130112302
2013-05-09

Check valve

#164
20130101238
2013-04-25

Pack

#165
20130048125
2013-02-28

Oil-less and wetted pressure relief valves having an integrated filter

#166
20130008542
2013-01-10

DIAPHRAGM VALVE AND METHODS AND ACCESSORIES THEREFOR

#167
20120313024
2012-12-13

Compact reed valve

#168
20120305100
2012-12-06

Check valve flap for fluid injector

#169
20120261030
2012-10-18

Relief valve

#170
20120256114
2012-10-11

Power injectable valve designs

#171
20120247595
2012-10-04

Multi-outlet check valve nozzle

#172
20120244454
2012-09-27

Valve, fluidic apparatus, and fluid-supplying apparatus

#173
20120227847
2012-09-13

Systems and methods for a reed valve module and valve assembly

#174
20120222747
2012-09-06

Passive components for micro-fluidic flow profile shaping and related method thereof

#175
20120204333
2012-08-16

Pressure equalizing valve

#176
20120195529
2012-08-02

Evacuatable container

#177
20120192977
2012-08-02

DUCK-BILLED CHECK VALVE

#178
20120145940
2012-06-14

Valve for electronic enclosure

#179
20120121449
2012-05-17

Check valve

#180
20120118430
2012-05-17

Relief Valve

#181
20120111899
2012-05-10

One way valve assembly

#182
20120085762
2012-04-12

Valve plug

#183
20120074345
2012-03-29

Valve assembly

#184
20120067926
2012-03-22

Container for eye drops

#185
20120067483
2012-03-22

Apparatus and system for integration of a central tire inflation valve into a wheel

#186
20120006860
2012-01-12

SELF-CLOSING VALVE WITH VALVE CAP

#187
20110315231
2011-12-29

FLOW CONTROL DEVICE USING A DIAPHRAGM

#188
20110297245
2011-12-08

Valve for inflatable objects

#189
20110265900
2011-11-03

INFLATING VALVE FOR AN INFLATABLE OBJECT

#190
20110250080
2011-10-13

Human-powered irrigation pump

#191
20110198519
2011-08-18

Pneumatic pressure regulating valve

#192
20110192916
2011-08-11

Watering device

#193
20110192473
2011-08-11

Pneumatic pressure regulating valve

#194
20110192472
2011-08-11

PNEUMATIC PRESSURE REGULATING VALVE

#195
20110186765
2011-08-04

Singulation of valves

#196
20110174397
2011-07-21

Pressure control valve

#197
20110138744
2011-06-16

Method for making a valve for sealing an evacuation port

#198
20110114197
2011-05-19

Low pressure measurement devices in high pressure environments

#199
20110108147
2011-05-12

Non-return valve, in particular for medical uses

#200
20110083280
2011-04-14

Pneumatic lift with unidirectional valve

#201
20110079300
2011-04-07

One-way valve

#202
20110079299
2011-04-07

CHECK VALVE

#203
20110079291
2011-04-07

VALVE

#204
20110049399
2011-03-03

Pressure equalisation device

#205
20110048561
2011-03-03

Zero-pitch pipe

#206
20110036433
2011-02-17

Relief valves for fuel cell systems

#207
20110005616
2011-01-13

Check valve

#208
20100300556
2010-12-02

Check valve

#209
20100288384
2010-11-18

HYDRAULIC CONTROL VALVE HAVING INTEGRATED CHECK VALVE

#210
20100269829
2010-10-28

Slot valve for use in the pneumatic switching circuit of a respirator

#211
20100266432
2010-10-21

Micro valve, method for producing a micro valve, as well as micro pump

#212
20100187463
2010-07-29

Non return valve and a proceeding to form a non return valve system to be fasten together inside a receptacle intended to contain air or liquid

#213
20100186720
2010-07-29

LOW-ENERGY VALVE SYSTEM FOR A PRESSURIZED GAS ENGINE

#214
20100180971
2010-07-22

Apertured flow control element and housing structure therefor

#215
20100132309
2010-06-03

Valve for sealing an evacuation port of a container

#216
20100116371
2010-05-13

Port closure system with hydraulic hammer resistance

#217
20100078584
2010-04-01

Valve device

#218
20100037927
2010-02-18

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

#219
20100025613
2010-02-04

Microfluidic valve having free-floating member and method of fabrication

#220
20100019178
2010-01-28

Low pressure measurement devices in high pressure environments

#221
20090294712
2009-12-03

High flow proportional valve

#222
20090283161
2009-11-19

Apparatus And Method For Administering Ingestible Liquids

#223
20090277166
2009-11-12

Exhaust gas check valve

#224
20090267333
2009-10-29

Air-bag and a method of controlling pressure within an air-bag

#225
20090257688
2009-10-15

One-way valve with flapper for vacuum bag

#226
20090256101
2009-10-15

Valve assembly

#227
20090250492
2009-10-08

One way valve assembly

#228
20090217993
2009-09-03

Passive components for micro-fluidic flow profile shaping and related method thereof

#229
20090173391
2009-07-09

Adjustable pressure relief valve

#230
20090169693
2009-07-02

Interior-mountable pressure relief valve

#231
20090126575
2009-05-21

Apparatus for separating oil from blow-by gas of engine

#232
20090108033
2009-04-30

Nozzle, adhesive dispenser, and method of dispensing adhesive

#233
20090092503
2009-04-09

VALUE STRUCTURE

#234
20090065067
2009-03-12

Check valve flap for fluid injector

#235
20080308166
2008-12-18

Connector/Device with Reflux Valves

#236
20080289696
2008-11-27

Check valve for fluid injector

#237
20080271689
2008-11-06

Control valve for a device for variably adjusting the valve timing for gas exchange valves in an internal combustion engine

#238
20080196779
2008-08-21

Variable stiffness flow control valve

#239
20080190404
2008-08-14

Internal combustion engine having exhaust gas recirculation

#240
20080160371
2008-07-03

Check valves for fuel cartridges

#241
20080149243
2008-06-26

Apparatus and system for integration of a central tire inflation valve into a wheel

#242
20080142091
2008-06-19

Pneumatic pressure regulation valve

#243
20080135586
2008-06-12

One way valve assembly

#244
20080087859
2008-04-17

Dome check valve

#245
20080066810
2008-03-20

ANTI-SIPHON CONTROL VALVE

#246
20080035875
2008-02-14

Microfluidic valve having free-floating member and method of fabrication

#247
20080029450
2008-02-07

Valve module

#248
20080023190
2008-01-31

Tubular flapper valves

#249
20080011667
2008-01-17

Valve apparatus, combination filter valve assemblies and devices, systems, and methods including the same

#250
20080011373
2008-01-17

Sanitary check valve

#251
20070289971
2007-12-20

Valve for electronic enclosure

#252
20070251592
2007-11-01

Microfluidic valve structure

#253
20070240764
2007-10-18

Freeze safe valve

#254
20070179439
2007-08-02

Valve, in particular for a breast shield set

#255
20070167058
2007-07-19

Check valve and method of forming a check valve

#256
20070163664
2007-07-19

Check valve

#257
20070163656
2007-07-19

Check valve

#258
20070125231
2007-06-07

Pressure equalisation device

#259
20070095862
2007-05-03

One way valve assembly

#260
20070090320
2007-04-26

Two-way damper

#261
20070089788
2007-04-26

Chemically inert flow controller with non-contaminating body

#262
20070056648
2007-03-15

Two-piece valve

#263
20070056638
2007-03-15

Leak detection and isolation for segmented inflatable structures

#264
20070034272
2007-02-15

VALVE ASSEMBLY

#265
20070026269
2007-02-01

Relief valve, method of manufacturing relief valve, and fuel cell

#266
20060275166
2006-12-07

Fuel pump for an internal combustion engine

#267
20060272731
2006-12-07

Container for sealant for pneumatic tires

#268
20060244793
2006-11-02

Ink tank with valve in ink supply port

#269
20060237184
2006-10-26

Tubular flapper valves

#270
20060237183
2006-10-26

Flapper valves with spring tabs

#271
20060237077
2006-10-26

Slide-in flapper valves

#272
20060237076
2006-10-26

Backflow preventer

#273
20060231580
2006-10-19

TWIST LOCK FLUID DISPENSING VALVE

#274
20060225787
2006-10-12

Evacuatable container

#275
20060191575
2006-08-31

Device for underpressure-activated dispensing of fluids

#276
20060180202
2006-08-17

Low pressure measurement devices in high pressure environments

#277
20060177330
2006-08-10

Pump valve with controlled stroke

#278
20060169694
2006-08-03

Leak resistant drinking cup

#279
20060169329
2006-08-03

Check valve with low shut off sound

#280
20060157120
2006-07-20

Pneumatic oscillating valve and pneumatic warning device

#281
20060140782
2006-06-29

Micropump and method for the production thereof

#282
20060130917
2006-06-22

Umbrella valve and assembly

#283
20060118751
2006-06-08

Diaphargm valve and open close element for said valve

#284
20060118190
2006-06-08

Valve apparatus

#285
20060108554
2006-05-25

Dome check valve

#286
20060090801
2006-05-04

Check valve

#287
20060086397
2006-04-27

Insertion part for inserting into a gas or liquid line

#288
20060076058
2006-04-13

Pressure-relief one-way valve applicable to a package containing a gas-releasing product, wherein there coexist a fluid medium and an air bubble, and a package including said valve

#289
20060054855
2006-03-16

Valve for inflatable objects

#290
20060054226
2006-03-16

Liquid delivery device

#291
20060006176
2006-01-12

Overpressure valve for the content of a package

#292
20060000459
2006-01-05

Variable stiffness flow control valve

#293
20050273937
2005-12-15

Inflatable bed unit

#294
20050247349
2005-11-10

Low pressure check valve

#295
20050158188
2005-07-21

Method of manufacturing a micropump check valve

#296
20050155657
2005-07-21

Valve

#297
20050098215
2005-05-12

Vehicle pressure relief valve having centrally secured flaps and method of manufacturing the same

#298
20050092008
2005-05-05

Air chiller unit

#299
20050081921
2005-04-21

Vehicle pressure relief valve having peripherally secured flaps and method of manufacturing the same

#300
20050072475
2005-04-07

Precision valve for a garment vacuum bag