ClassID:

152261

F16K15/18 - CPC Classification

Classification description:

Check valves with actuating mechanism; Combined check valves and actuated valves

Sub-classes:
Recent Application in this class:
#1
20260026665
2026-01-29

AUTOMATED DRAINPIPE CLEARING SYSTEMS WITH SELF-CLEANING CHECK VALVES AND METHODS THEREFORE

#2
20250114226
2025-04-10

CHECK VALVE WITH DOCKING STATION FOR GASTROINTESTINAL BALLOON

#3
20240353070
2024-10-24

VALVE ASSEMBLY FOR CONTROLLING CHARGING AND DISCHARGING OF FUEL

#4
20240084905
2024-03-14

SYSTEMS AND METHODS FOR PISTON CHECK VALVES

#5
20230417335
2023-12-28

Manual reset actuator for diaphragm control valve

#6
20230243430
2023-08-03

Flow control valve

#7
20230073327
2023-03-09

Backflow prevention assembly having a variable lay-length and orientation

#8
20230056276
2023-02-23

Method of operating a vehicle

#9
20220282797
2022-09-08

Systems and methods for piston check valves

#10
20220145997
2022-05-12

Flow control valve

#11
20220107028
2022-04-07

Oil control valve for a cam phaser of an internal combustion engine and a cam phaser comprising an oil control valve

#12
20220107026
2022-04-07

Valve apparatus

#13
20220083082
2022-03-17

Pressure control valve and device comprising such a pressure control valve , for controlling or regulating the pressure of a compressed fluid in a pilot pressure chamber

#14
20220057007
2022-02-24

Manual reset actuator for diaphragm control valve

#15
20220049788
2022-02-17

Electromagnetic regulating valve with check function

#16
20210404567
2021-12-30

Break check valve for hydrant

#17
20210404562
2021-12-30

Anti-free-flow valve

#18
20210386121
2021-12-16

Atomizer and electronic atomization device

#19
20210207728
2021-07-08

NON-ELECTRIC MULTI-CHANNEL VALVE FOR AQUEOUS LIQUIDS, VAPOR OR GAS

#20
20210187675
2021-06-24

Poppet, assembly, and methods of assembling and using the same

#21
20210138283
2021-05-13

Combination control and check valve assembly for a wet piping system

#22
20210131592
2021-05-06

Backflow prevention assembly having a variable lay-length and orientation

#23
20210123538
2021-04-29

Systems and methods for piston check valves

#24
20210093474
2021-04-01

Check valve with docking station for gastrointestinal balloon

#25
20210080018
2021-03-18

Valve system, piping manifold and pump system

#26
20210018106
2021-01-21

Pressure relief valve assembly

#27
20210010558
2021-01-14

Valve device and shock absorber

#28
20210003229
2021-01-07

Method of operating a vehicle

#29
20200406875
2020-12-31

Method for protecting the air system in a commercial vehicle in the event of trailer break-away

#30
20200399042
2020-12-24

Vacuum storage bag assembly and vacuum storage system therewith

#31
20200393055
2020-12-17

Manual reset actuator for diaphragm control valve

#32
20200378508
2020-12-03

Break check valve for hydrant

#33
20200370691
2020-11-26

Backflow prevention assembly having a variable lay-length and orientation

#34
20200355414
2020-11-12

Stop/check/expansion plug valve

#35
20200332909
2020-10-22

Safety valve

#36
20200326016
2020-10-15

Device for activity test of extraction check valve

#37
20200326002
2020-10-15

Solenoid valve for activity test of extraction check valve

#38
20200300239
2020-09-24

HAND AIR PUMP INFLATING DEVICE

#39
20200291966
2020-09-17

Aspirator integrated pressure relief valve and vent valve for an inflation system

#40
20200191280
2020-06-18

Valve arrangement for a cooling system of a vehicle

#41
20200165898
2020-05-28

Flow control assembly

#42
20200158101
2020-05-21

Pump-valve integrated mechanism

#43
20200149651
2020-05-14

Valve assembly

#44
20200144796
2020-05-07

Injection electrical connector

#45
20200080654
2020-03-12

Exhaust gas control valve and assembly including the same

#46
20200061264
2020-02-27

MFLP-valve for a pressure source

#47
20200056632
2020-02-20

Composite valve for direct attachment to port of hydraulic apparatus

#48
20200040884
2020-02-06

Valve closure for a piston compressor valve and method for operating the valve closure

#49
20200040883
2020-02-06

Piston compressor valve and method for operating a piston compressor valve

#50
20200032801
2020-01-30

Method for operation control of compressor and the compressor

#51
20190390664
2019-12-26

Reciprocating compressor valve body made by additive manufacturing

#52
20190383403
2019-12-19

Flow control valve

#53
20190368624
2019-12-05

PRESSURE RELEASE VALVE

#54
20190360776
2019-11-28

Valve device for toy gun

#55
20190360292
2019-11-28

Testable back pressure valve and pressure testing system therefor

#56
20190353266
2019-11-21

Valve and valve arrangement

#57
20190331193
2019-10-31

Damping valve arrangement

#58
20190323622
2019-10-24

CONTROL VALVE AND AIR STARTING SYSTEM

#59
20190293330
2019-09-26

High flow service connection valve

#60
20190264967
2019-08-29

MULTI-STAGE COMPRESSING SYSTEM AND CONTROL METHOD THEREOF

#61
20190249689
2019-08-15

Aspirator integrated pressure relief valve and vent valve assembly for an inflation system

#62
20190241295
2019-08-08

Packaging bag fresh-keeping exhaust valve structure

#63
20190186494
2019-06-20

Turbo pump vent assembly and method

#64
20190178399
2019-06-13

Non-return valve mechanism and one-way valve device

#65
20190128436
2019-05-02

Bi-directional inline check valve

#66
20190113145
2019-04-18

VALVE

#67
20190107223
2019-04-11

Inlet valve locking system for inflatable underwater equipment

#68
20190056038
2019-02-21

Valve

#69
20190049028
2019-02-14

Pneumatic valve

#70
20190017613
2019-01-17

Check valve having reverse-direction fluid supply function

#71
20190009041
2019-01-10

VALVES AND TUBES INCLUDING VALVES

#72
20190003606
2019-01-03

ELECTRO-MECHANICAL PRESSURE RELIEF VALVE

#73
20180366718
2018-12-20

Secondary battery having filling valve

#74
20180345933
2018-12-06

Master brake cylinder for a hydraulic vehicle brake system

#75
20180329435
2018-11-15

Externally adjustable flow management valve assembly and system

#76
20180313454
2018-11-01

Check valve and liquid delivery pump

#77
20180292018
2018-10-11

Reverse flow check valve in hydraulic valve with series circuit

#78
20180292017
2018-10-11

FLEXIBLE MEMBRANE MECHANISM, FLOW PATH MEMBER, LIQUID EJECTING APPARATUS, AND CONTROL METHOD OF FLEXIBLE MEMBRANE

#79
20180266090
2018-09-20

Ball for a hydraulic component, flow changer insert comprising said ball and tap comprising said ball

#80
20180221184
2018-08-09

Check valve with docking station for gastrointestinal balloon

#81
20180215116
2018-08-02

Residual load relief system for hydraulic compactors having rotary pumps

#82
20180180134
2018-06-28

Frequency-dependent damping valve arrangement

#83
20180163505
2018-06-14

Testable back pressure valves

#84
20180156488
2018-06-07

Combined isolation valve and check valve with integral flow rate pressure, and/or temperature measurement and field configurability

#85
20180128390
2018-05-10

Differential pressure type inflating device

#86
20180128078
2018-05-10

Thermal load based automatic valve arrangement and method

#87
20180073651
2018-03-15

Seat valve with electromagnetic actuation

#88
20180073647
2018-03-15

Multiple valve refrigerant leak protection device

#89
20180058601
2018-03-01

Valve configured for regulating the flow of fluid between a device and a cooler

#90
20180038499
2018-02-08

Method and system for pre-programmed self-power microfluidic circuits

#91
20180030933
2018-02-01

Canister valve device for vehicle

#92
20180010703
2018-01-11

Non-return valve for a solenoid valve and associated solenoid valve

#93
20180010702
2018-01-11

Check Valve for a Solenoid Valve and Associated Solenoid Valve

#94
20180010420
2018-01-11

Flow control assembly

#95
20170370487
2017-12-28

Valve for inflation/deflation

#96
20170317478
2017-11-02

Injection electrical connector

#97
20170317477
2017-11-02

Injection electrical connector

#98
20170317476
2017-11-02

Injection electrical connector

#99
20170314692
2017-11-02

Injection electrical connector

#100
20170314691
2017-11-02

Multi-way valve

#101
20170312960
2017-11-02

Injection electrical connector

#102
20170307092
2017-10-26

Convertible check valve

#103
20170284551
2017-10-05

Water pump with check valve

#104
20170261008
2017-09-14

Speed controller

#105
20170260882
2017-09-14

Piston for a hydraulic valve for a cam phaser and hydraulic valve for the cam phaser

#106
20170248242
2017-08-31

Check valve

#107
20170204982
2017-07-20

Fluid control assemblies and flow path inserts

#108
20170191681
2017-07-06

Combination isolation valve and check valve with integral flow rate, pressure, and/or temperature measurement with wireless power

#109
20170191582
2017-07-06

Actuator for a water spray structure

#110
20170159655
2017-06-08

Valve stop retainer device

#111
20170146139
2017-05-25

Robust in-line valve

#112
20170145858
2017-05-25

Valve device and jet engine with a valve device

#113
20170138517
2017-05-18

COUPLING ELEMENT FOR CONNECTING FLUID CONDUCTING CONDUITS AND CORRESPONDING COUPLING ARRANGEMENT

#114
20170138501
2017-05-18

Control valve and air starting system

#115
20170122439
2017-05-04

Valve assembly

#116
20170114924
2017-04-27

Pressure reducing valve

#117
20170080139
2017-03-23

Check valve assembly, medical functional device and a blood treatment apparatus

#118
20170074411
2017-03-16

Valve

#119
20170067231
2017-03-09

Drinking and service water supply device of a building, and regulating valve therefor

#120
20170037771
2017-02-09

Cooling liquid circulation device for internal combustion engine

#121
20170037768
2017-02-09

Electromagnetic valve and internal combustion engine cooling system with electromagnetic valve

#122
20170000303
2017-01-05

Seat-type air extracting suction apparatus to aid bowel movement

#123
20160368128
2016-12-22

Hydraulic tool

#124
20160327110
2016-11-10

Unloading relief valve

#125
20160273665
2016-09-22

RELIEVABLE CHECK VALVE FOR MEDICAL LINES

#126
20160258544
2016-09-08

Nozzle-type check valve with piston

#127
20160167752
2016-06-16

Buoyancy vest vent valve with reliable seating

#128
20160153551
2016-06-02

Hydraulic control arrangement for an automatic transmission

#129
20160146231
2016-05-26

Hydraulic port safety locking device

#130
20160138723
2016-05-19

Isolatable non-slam piston check valve

#131
20160129291
2016-05-12

Gas purging valve for fire protection system

#132
20160116116
2016-04-28

A PRESSURISED FLUID CYLINDER

#133
20160102639
2016-04-14

Valve assembly with a guiding element and fluid injector

#134
20160089492
2016-03-31

Valve device, a delivery system including same and method

#135
20160076683
2016-03-17

Coupling Assembly for a Pipe and Valve Assembly Comprising the Same

#136
20160069515
2016-03-10

EMERGENCY DISPOSAL OF STORAGE CONTAINERS

#137
20160067400
2016-03-10

Filling and recirculation device for a liquid system of an extracorporeal blood treatment device

#138
20160058936
2016-03-03

Recirculation device of an extracorporeal blood treatment apparatus

#139
20160030656
2016-02-04

Spike with non-return valve function and filling device of a liquid system with spike

#140
20150377376
2015-12-31

Valve device for a hydraulic circuit and oil pump control apparatus

#141
20150377372
2015-12-31

Convertible valve with retained conversion element

#142
20150377370
2015-12-31

Reverse flow check valve in hydraulic valve with series circuit

#143
20150369260
2015-12-24

Regeneration deactivation valve and method

#144
20150354173
2015-12-10

Pressure compensation valve

#145
20150315941
2015-11-05

Valve for a vehicle

#146
20150285396
2015-10-08

Vacuum valve

#147
20150276075
2015-10-01

Motorized sleeve valve

#148
20150260302
2015-09-17

Dual/variable gain oil pump control valve

#149
20150260301
2015-09-17

Service valve for a valve body

#150
20150233489
2015-08-20

Actuator apparatus having integral yoke tubing

#151
20150219227
2015-08-06

Pulse-width-regulating valve

#152
20150217438
2015-08-06

Multi-operational valve

#153
20150198258
2015-07-16

Control valve

#154
20150159665
2015-06-11

Turbocharger compressor recirculation system

#155
20150153081
2015-06-04

Control element and check valve assembly

#156
20150152895
2015-06-04

Cylinder phaser valves

#157
20150136258
2015-05-21

SPOOL ASSEMBLY AND A VALVE COMPRISING THE SAME

#158
20150128659
2015-05-14

Water supply valve and water supply valve assembly for wall mounted drum type washing machine

#159
20150114495
2015-04-30

Electronic expansion valve

#160
20150107688
2015-04-23

BUOYANCY VEST VENT VALVE WITH RELIABLE SEATING

#161
20150096633
2015-04-09

Valve assembly

#162
20150090355
2015-04-02

Solenoid-powered gate valve

#163
20150083666
2015-03-26

Reverse osmosis water-on-water control valve

#164
20150068620
2015-03-12

Pressure regulating valve assembly

#165
20150059893
2015-03-05

Five-port switching valve with residual pressure exhaust valve

#166
20150037113
2015-02-05

Valve

#167
20150027571
2015-01-29

Fluid control valve device

#168
20150021795
2015-01-22

Water leakage preventing humidification apparatus

#169
20150020899
2015-01-22

Fluid control assemblies and flow path inserts

#170
20150013799
2015-01-15

COMPONENT ATTACHING STRUCTURE AND PRESSURE REGULATOR

#171
20150008350
2015-01-08

Double-acting shift cylinder actuating assembly

#172
20140373939
2014-12-25

Piston-controlled anti-siphon valve

#173
20140345717
2014-11-27

Trim of check valve

#174
20140332098
2014-11-13

Method and system for pre-programmed self-power microfluidic circuits

#175
20140295310
2014-10-02

Valve and fuel cell system

#176
20140216419
2014-08-07

Method and device for controlling a valve

#177
20140150893
2014-06-05

Shutoff valve in backflow prevention device

#178
20140150892
2014-06-05

Access cover in backflow prevention device

#179
20140144642
2014-05-29

Downhole valve assembly and methods of using the same

#180
20140144526
2014-05-29

Self piloted check valve

#181
20140110003
2014-04-24

Relievable check valve for medical lines

#182
20140096389
2014-04-10

Method of configuring a check valve

#183
20140038083
2014-02-06

Forward check valve and fuel cell system

#184
20140034159
2014-02-06

Multi-operational valve

#185
20130334450
2013-12-19

Disposable, sterile fluid transfer device

#186
20130331214
2013-12-12

Variable flow check valve for hydraulic tensioner

#187
20130240174
2013-09-19

Vehicle cooling device

#188
20130171537
2013-07-04

Forward check valve and fuel cell system

#189
20120211096
2012-08-23

CHECK VALVE AND VACUUM SYSTEM

#190
20120160346
2012-06-28

Nozzle check valve

#191
20120085067
2012-04-12

Apparatus for adding a gas to a liquid-filled bottle

#192
20120008882
2012-01-12

FLUID HANDLING SYSTEM

#193
20110259433
2011-10-27

Electric motor actuated stop and self-closing check valve

#194
20110197989
2011-08-18

Disposable, sterile fluid transfer device

#195
20110114865
2011-05-19

Unfreeze faucet structure

#196
20110114864
2011-05-19

Watering Control Valve

#197
20110079142
2011-04-07

Cylinder phaser valves

#198
20110011465
2011-01-20

Controlling mechanism for activation of an air pump to be implemented in an inflatable object

#199
20100313968
2010-12-16

Inflation valve

#200
20100288959
2010-11-18

Discharge valve

#201
20100288958
2010-11-18

Suction valve

#202
20100263397
2010-10-21

Motor-operated valve and refrigeration cycle using the same

#203
20100242303
2010-09-30

Valve for regulating pressure in a fluid system

#204
20100206405
2010-08-19

PILOT OPERATED CHECK VALVE

#205
20100162708
2010-07-01

Methods, apparatus and/or systems relating to fuel delivery systems for industrial machinery

#206
20100139779
2010-06-10

Valve system

#207
20100135833
2010-06-03

Pump valve retainer

#208
20100096024
2010-04-22

Air valve device

#209
20100078084
2010-04-01

Valve assembly

#210
20100038577
2010-02-18

Zero-leak variable rate high pressure metering valve

#211
20090223576
2009-09-10

Check valve

#212
20090173400
2009-07-09

COMBINATION SAMPLING AND PRESSURE RELIEF VALVE

#213
20090126809
2009-05-21

Air intake valve apparatus for pneumatic gun

#214
20090033086
2009-02-05

Valve holding member

#215
20090018513
2009-01-15

Flow control apparatus and medical injection circuit using the same

#216
20080245245
2008-10-09

Spray dampening valve with a seal assembly having at least a deformable end surface for use in an offset printing process

#217
20080196771
2008-08-21

Brine Valve

#218
20080164436
2008-07-10

Brine valve

#219
20080149103
2008-06-26

Fluid flow control valve

#220
20080110511
2008-05-15

Faucet Device

#221
20080078970
2008-04-03

Spigot

#222
20080061257
2008-03-13

Electric motor actuated stop and self-closing check valve

#223
20080017818
2008-01-24

Safety air valve of a receiving bag

#224
20070295411
2007-12-27

Pump valve retainer

#225
20070295260
2007-12-27

Inflatable boat

#226
20070277368
2007-12-06

Fuel cell supply having fuel compatible materials

#227
20070227373
2007-10-04

Spray dampening valve having mechanical accuracy and long-term stability for use in an offset printing process

#228
20070144592
2007-06-28

Fluid flow control valve

#229
20070106264
2007-05-10

Disposable, sterile fluid transfer device

#230
20070060948
2007-03-15

Portable hand-operable device for applying pneumatic pressure pulses to an ear canal

#231
20070051410
2007-03-08

Check valve with locking key and pull cord

#232
20060273276
2006-12-07

Quick coupling unit with integrated check valve

#233
20060266959
2006-11-30

Valve arrangement

#234
20060226387
2006-10-12

Check valve

#235
20060207657
2006-09-21

Retrofitting a fire hydrant with secondary valve

#236
20060192161
2006-08-31

Faucet device

#237
20060145114
2006-07-06

Nozzle of pump for bicycle

#238
20060142730
2006-06-29

Disposable, sterile fluid transfer device

#239
20060124661
2006-06-15

Gas pin valve with safety features

#240
20060108002
2006-05-25

Fire hydrant with second valve

#241
20060096285
2006-05-11

Valve

#242
20060091343
2006-05-04

Valve assembly with side inlet

#243
20060091341
2006-05-04

Switch mechanism for a pneumatic tool

#244
20060060252
2006-03-23

Fluid flow control valve

#245
20060021660
2006-02-02

Fluid flow control valve

#246
20050269535
2005-12-08

Electric motor actuated stop and self-closing check valve

#247
20050230654
2005-10-20

Intercept valve for spray guns for water cleaner apparatus

#248
20050150546
2005-07-14

Valve

#249
20050145809
2005-07-07

Multifunctional valve device

#250
20050133103
2005-06-23

Three way coupler having adjusting device

#251
20050116190
2005-06-02

Fuel cell supply having fuel compatible materials

#252
20050115609
2005-06-02

Fire hydrant with a second valve

#253
20050084410
2005-04-21

Sterilized connector apparatus and method of coupling a bioprocessor to a media source

#254
20050062000
2005-03-24

Electric motor actuated stop and self-closing check valve

#255
20050016620
2005-01-27

Disposable, sterile fluid transfer device

#256
18747811
2025-08-19

Vacuum assisted line bleeding

#257
16246921
2020-09-15

Proportional fluid flow control valve having a built-in check valve and configured to generate a pilot signal

#258
15601621
2018-10-09

Self-closing drain plugs with redundant sealing

#259
15009028
2017-04-04

Valve assembly

#260
14848375
2017-01-17

Solenoid valve

#261
14686186
2018-01-30

Pressure relief valve for cryogenic liquid containers

#262
14336713
2015-08-11

De-jamming device