ClassID:

152230

F16K15/02 - CPC Classification

Classification description:

Check valves with guided rigid valve members

Sub-classes:
Recent Application in this class:
#1
20250257722
2025-08-14

FLUID END

#2
20250207571
2025-06-26

FLUID END

#3
20240360908
2024-10-31

PNEUMATIC VALVE, SYSTEM, AND VEHICLE

#4
20240274305
2024-08-15

PIPING ENHANCEMENT FOR BACKFLOW PREVENTION IN A MULTIPLE LOOP, METAL COOLED NUCLEAR REACTOR SYSTEM

#5
20230375105
2023-11-23

VALVE FOR CONTROLLING A MEDIUM IN A COOLING CIRCUIT OR HEAT CIRCUIT

#6
20230243324
2023-08-03

FUEL VALVE

#7
20230132209
2023-04-27

Valve assembly

#8
20230045614
2023-02-09

Check valve

#9
20220169110
2022-06-02

High Flow Non Pressurised Filling Control Valve

#10
20220134407
2022-05-05

Check valve, air-conditioning apparatus, and method of manufacturing check valve

#11
20220099202
2022-03-31

Fluid Unidirectional Flow Structure, Check Assembly, and Respiratory Device

#12
20220057016
2022-02-24

Valves including one or more flushing features and related assemblies, systems, and methods

#13
20210148479
2021-05-20

Substrate storage container

#14
20210003226
2021-01-07

Valve and fluid control device including valve

#15
20200400045
2020-12-24

Valve for variable throttling of a hydraulic flow with a fatigue-resistant mechanical means for reducing possible valve oscillations

#16
20200284473
2020-09-10

Gas heater, method for operating the gas heater and a gas boiler

#17
20200149657
2020-05-14

Valves including one or more flushing features and related assemblies, systems, and methods

#18
20200124196
2020-04-23

Hydraulic distributor block, hydraulic assembly, and method

#19
20190376503
2019-12-12

Diaphragm pump and valve plate thereof

#20
20190333652
2019-10-31

Piping enhancement for backflow prevention in a multiple loop, metal cooled nuclear reactor system

#21
20190331235
2019-10-31

Dual lock flow gate

#22
20190323392
2019-10-24

Valve timing adjustment device

#23
20190249779
2019-08-15

Tank Valve

#24
20190219185
2019-07-18

VACUUM BOOSTER CHECK VALVE

#25
20190160414
2019-05-30

Dust collector diaphragm valve capable of performing manual emergency operation

#26
20190085991
2019-03-21

Check valve assembly

#27
20190085929
2019-03-21

Check valve assembly

#28
20190010909
2019-01-10

Fuel pump solenoid assembly method

#29
20190003611
2019-01-03

Fuel pump solenoid having hydraulic damping

#30
20190003605
2019-01-03

Pump valve configuration and assembly method

#31
20190003603
2019-01-03

Asymmetric spring valve disk

#32
20190003598
2019-01-03

Combined inlet and outlet check valve seat

#33
20190003474
2019-01-03

Fuel sending unit assembly and operation

#34
20180328502
2018-11-15

Pool cleaner check valve

#35
20180328498
2018-11-15

Drip emitter with check valve

#36
20180328276
2018-11-15

Connecting rod for an internal combustion engine with variable compression

#37
20180283578
2018-10-04

Bypass check valve and Venturi having same

#38
20180216506
2018-08-02

Check valve with anti-icing protection

#39
20180172116
2018-06-21

Control of hydraulic tensioner tuning using hole size in piston nose

#40
20180163506
2018-06-14

Testable back pressure valves

#41
20180111082
2018-04-26

Compressed air drying system and check valve used in compressed air drying system

#42
20180038492
2018-02-08

Sanitary change-over valve and assembly comprising a change-over valve of this type

#43
20170276254
2017-09-28

Non chattering pressure relief valve

#44
20170254426
2017-09-07

Fluidic diode check valve

#45
20170248242
2017-08-31

Check valve

#46
20170197159
2017-07-13

Water stoppage structure utilized in a water purifier filter core

#47
20170196265
2017-07-13

ELECTRONIC CIGARETTE AND AIR INTAKE VOLUME REGULATING METHOD FOR ELECTRONIC CIGARETTE

#48
20170167619
2017-06-15

Check valve having a friction free replaceable valve insert check assembly

#49
20170108130
2017-04-20

SHUTOFF VALVE IN BACKFLOW PREVENTION DEVICE

#50
20170074292
2017-03-16

Fluid pressure control device for construction machine

#51
20170037989
2017-02-09

Tube coupling device having valve member

#52
20160334022
2016-11-17

Control valve for a camshaft adjuster

#53
20160313745
2016-10-27

Grain pipe valve assembly

#54
20160223092
2016-08-04

Integral valve

#55
20160215895
2016-07-28

Sliding skirt valve

#56
20160195189
2016-07-07

Check valve with improved sealing member

#57
20160186872
2016-06-30

Disc check valve system and method

#58
20160186871
2016-06-30

Multifunctional check valve device

#59
20160186697
2016-06-30

Flow control valve and fuel vapor processing apparatus incorporating the flow control valve

#60
20160153572
2016-06-02

Non chattering pressure relief valve

#61
20160146359
2016-05-26

Temporary elastomeric functional barrier membrane and method of manufacture

#62
20160138723
2016-05-19

Isolatable non-slam piston check valve

#63
20160104903
2016-04-14

Valve device

#64
20160067773
2016-03-10

Filtering check valve for metal casting

#65
20160053902
2016-02-25

CHECK VALVE

#66
20160047290
2016-02-18

Device for controlling the supply of a fluid to a system allowing fluid consumption to be optimised

#67
20160040791
2016-02-11

Check valve

#68
20150362088
2015-12-17

Magnetically Controlled Pressure Relief Valve

#69
20150354726
2015-12-10

Noise attenuation in a Venturi device and/or check valves

#70
20150352543
2015-12-10

Flow control apparatus for sample fluids

#71
20150330523
2015-11-19

Pressure medium container for a hydraulic motor vehicle brake system

#72
20150308579
2015-10-29

Pressure independent control valve

#73
20150285401
2015-10-08

Bypass check valve and venturi devices having the same

#74
20150240959
2015-08-27

Container, containing device and method for taking out contained product

#75
20150226204
2015-08-13

Electrically actuated pressure regulating valve for an adjustable hydrostatic pump, and adjustable hydrostatic pump having a pressure regulating valve

#76
20150176715
2015-06-25

ONE-WAY VALVE ASSEMBLY

#77
20150167855
2015-06-18

Dispensing machine valve and method

#78
20150129056
2015-05-14

LOW PRESSURE SEAL FOR VALVE

#79
20150059882
2015-03-05

Assembly

#80
20150021795
2015-01-22

Water leakage preventing humidification apparatus

#81
20140332038
2014-11-13

Cleaning valve with dampening mechanism

#82
20140137957
2014-05-22

Pressure balanced spring loaded overtravel sealing apparatus

#83
20140038083
2014-02-06

Forward check valve and fuel cell system

#84
20140026986
2014-01-30

Non chattering pressure relief valve

#85
20140026973
2014-01-30

Dispensing machine valve and method

#86
20130333776
2013-12-19

CONDENSATE REMOVAL PUMP HAVING IMPROVED CHECK VALVE

#87
20130153057
2013-06-20

Compact two-way cartridge valve using combined flange-controlled plate

#88
20120156533
2012-06-21

Air valve for energy storage device and energy storage device including the same

#89
20110272033
2011-11-10

Dispensing machine valve and method

#90
20110240133
2011-10-06

Ejector valve with glands

#91
20110192474
2011-08-11

Hydraulic control valve for construction machinery

#92
20110056578
2011-03-10

Tubular member having self-adjusting valves controlling the flow of fluid into or out of the tubular member

#93
20090223575
2009-09-10

Ejector valve machine

#94
20090223573
2009-09-10

FLUID OPERATED VALVE

#95
20090218103
2009-09-03

Method for flow control and autonomous valve or flow control device

#96
20080190988
2008-08-14

Fastener driving apparatus

#97
20080149103
2008-06-26

Fluid flow control valve

#98
20080099713
2008-05-01

Ejector valve machine

#99
20060157119
2006-07-20

Method for winterizing a pool

#100
20060060252
2006-03-23

Fluid flow control valve

#101
20050233020
2005-10-20

Non-return valve for use in a molding system

#102
20050156130
2005-07-21

Shunt valve for use in winterizing a pool

#103
19077200
2025-06-24

Fluid end

#104
15132539
2016-08-30

Modular check valve system

#105
14956294
2017-12-12

Hydrocarbon pipeline pressure safety relief bypass system

#106
14866333
2017-05-09

Apparatuses for managing fluids through a pipe