Patents-Review.com
ClassID:

152235 ⎘

F16K15/028 - CPC Classification

Classification description:

Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element

Recent Application in this class:
#1
20260071631
2026-03-12

SHUT-OFF VALVE AND VACUUM PUMP

 #2
20260002599
2026-01-01

ASSEMBLY FOR CONTROLLING FLUID FLOW AND METHOD OF MAKING THE ASSEMBLY

 #3
20250389338
2025-12-25

ORIFICE CHECK VALVE

 #4
20250313344
2025-10-09

NON-RETURN VALVE FOR AN AIRCRAFT GAS DISTRIBUTION SYSTEM, AND CORRESPONDING SYSTEM

 #5
20250020228
2025-01-16

DUAL AIR ADMITTANCE VALVE WITH LOCKING MECHANISM AND PRESSURE INDICATOR

 #6
20250020227
2025-01-16

Two-way valve

 #7
20240404916
2024-12-05

PRESSURE RELIEF VALVE AND ADSORBENT CHAMBER FOR TWO-PHASE IMMERSION COOLING SYSTEMS AND METHODS FOR USING SAME

 #8
20240301960
2024-09-12

ONE-WAY VALVES

 #9
20240301956
2024-09-12

Valve assembly and system, method, and apparatus thereof

 #10
20240288082
2024-08-29

VALVE FOR AIRBAG DECELERATOR

 #11
20240093794
2024-03-21

Cam-Arm Poppet Valve

 #12
20230407981
2023-12-21

Self-adjustable variable orifice check valve for back pressure reduction

 #13
20230332700
2023-10-19

WELDED CHECK VALVE

 #14
20230279791
2023-09-07

Fluid control valve and valve timing changing device

 #15
20230272866
2023-08-31

DUAL AIR ADMITTANCE VALVE WITH LOCKING MECHANISM AND PRESSURE INDICATOR

 #16
20230265935
2023-08-24

One-way valve

 #17
20230160483
2023-05-25

Valve

 #18
20230160482
2023-05-25

Valve and diaphragm pump with inlet and outlet valves

 #19
20230128683
2023-04-27

Fuel demand valve with anti-siphon and pressure protection

 #20
20230092213
2023-03-23

LIQUID ACCUMULATOR AND HEAT EXCHANGE SYSTEM HAVING LIQUID ACCUMULATOR

 #21
20230056276
2023-02-23

Method of operating a vehicle

 #22
20230046200
2023-02-16

Inflation fluid supply and discharge assembly, in particular for inflatable diving equipment, such as buoys, surface-marker buoys, balancing jackets or the like, and inflatable diving equipment provided with such assembly

 #23
20230010189
2023-01-12

Valve for preventing backflow and valve module

 #24
20220260129
2022-08-18

Open bleed-base valve

 #25
20220213968
2022-07-07

Welded check valve

 #26
20220196167
2022-06-23

Dual disk check valve

 #27
20220146006
2022-05-12

Valve for hydraulic control and balancing of fluid flow rate

 #28
20220049779
2022-02-17

Two-way chemical injection valve

 #29
20220003329
2022-01-06

CHECK VALVE ARRANGEMENT AND MOTOR VEHICLE VACUUM PUMP

 #30
20210348692
2021-11-11

Dual air admittance valve with locking mechanism and pressure indicator

 #31
20210340742
2021-11-04

A BACKFLOW PREVENTER, A HOSE COUPLING OF A HYDRANT AND A HYDRANT

 #32
20210239229
2021-08-05

Spherical pump valve

 #33
20210172539
2021-06-10

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

 #34
20210148474
2021-05-20

Welded check valve

 #35
20210095678
2021-04-01

ELECTRIC AIR PUMP FOR INFLATABLE PRODUCT

 #36
20210077695
2021-03-18

Backflow prevention device and dialysis apparatus with the backflow prevention device

 #37
20210003229
2021-01-07

Method of operating a vehicle

 #38
20200362799
2020-11-19

Fuel tank protector valve and engine systems having same

 #39
20200326000
2020-10-15

Two-way two position in-line valve

 #40
20200256300
2020-08-13

Fuel pump and inlet valve assembly thereof

 #41
20200247378
2020-08-06

VACUUM BOOSTER DEVICE

 #42
20200191286
2020-06-18

Valve

 #43
20200149651
2020-05-14

Valve assembly

 #44
20200141503
2020-05-07

Dual Air Admittance Valve with Locking Mechanism and Pressure Indicator

 #45
20200063854
2020-02-27

Lubrication system

 #46
20200047732
2020-02-13

Braking system valve assembly and brake caliper body with said assembly

 #47
20200025111
2020-01-23

Metering valve assembly and method of assembly thereof

 #48
20190383407
2019-12-19

Insert check valves and methods

 #49
20190323622
2019-10-24

CONTROL VALVE AND AIR STARTING SYSTEM

 #50
20190301622
2019-10-03

CHECK VALVE FOR SLURRY WATER PUMP

 #51
20190249654
2019-08-15

One-way valve device

 #52
20190211938
2019-07-11

Minimum Pressure Valve for a Screw Compressor for a Vehicle, in Particular a Utility Vehicle

 #53
20190093782
2019-03-28

Pressure-limiting valve

 #54
20190085985
2019-03-21

Spill prevention plug

 #55
20190010909
2019-01-10

Fuel pump solenoid assembly method

 #56
20190003611
2019-01-03

Fuel pump solenoid having hydraulic damping

 #57
20190003605
2019-01-03

Pump valve configuration and assembly method

 #58
20190003603
2019-01-03

Asymmetric spring valve disk

 #59
20190003598
2019-01-03

Combined inlet and outlet check valve seat

 #60
20190003474
2019-01-03

Fuel sending unit assembly and operation

 #61
20180363740
2018-12-20

Tensioner with stiffness controllable check valve

 #62
20180308733
2018-10-25

Gas purge filter

 #63
20180306192
2018-10-25

DELIVERY DEVICE FOR A VACUUM DISTILLATION PLANT

 #64
20180306176
2018-10-25

Poppet valve

 #65
20180259077
2018-09-13

INTEGRATED CHECK-RELIEF VALVE

 #66
20180254209
2018-09-06

Gas injection device

 #67
20180245702
2018-08-30

Nozzle check valve

 #68
20180230900
2018-08-16

Check valve for connecting rod of variable compression internal combustion engine and connecting rod with the check valve

 #69
20180119832
2018-05-03

INTEGRATED DISK CHECK VALVE IN A HYDRAULIC TENSIONER WITH METERED BACKFLOW

 #70
20180111071
2018-04-26

Fluid flow controller and filter assembly with fluid flow controller

 #71
20180045121
2018-02-15

Metering valve assembly and method of assembly thereof

 #72
20180038493
2018-02-08

Dual air admittance valve with locking mechanism and pressure indicator

 #73
20170370088
2017-12-28

TOILET INSTALLATIONS

 #74
20170304753
2017-10-26

Pressure sensitive valve assembly incorporating enhanced retention legs and fluid filter comprising the same

 #75
20170292620
2017-10-12

Guided check valve

 #76
20170254580
2017-09-07

Cold room combination vent and light

 #77
20170254466
2017-09-07

COUPLING APPARATUS FOR A FLOOR DRAIN AND METHOD OF USE

 #78
20170248242
2017-08-31

Check valve

 #79
20170248071
2017-08-31

Valve element for charge-pressure regulation in an exhaust-gas turbocharger

 #80
20170191577
2017-07-06

Check Valve for Submersible Pump

 #81
20170175910
2017-06-22

In-line pressure relief valve and rupture disk

 #82
20170152958
2017-06-01

Pressure control valve

 #83
20170138501
2017-05-18

Control valve and air starting system

 #84
20170130640
2017-05-11

Fluid control apparatus

 #85
20170089470
2017-03-30

Pressure pumping valves and methods of making such valves

 #86
20160363122
2016-12-15

Ring weld blocker in discharge check valve

 #87
20160341112
2016-11-24

Valve device

 #88
20160273673
2016-09-22

Valve device and use of such a valve device

 #89
20160252005
2016-09-01

Pre-chamber gas valve

 #90
20160244133
2016-08-25

Buoyancy compensator device and related overpressure or relief valve

 #91
20160215588
2016-07-28

Valve and seat assembly for a high pressure pump

 #92
20160189808
2016-06-30

Automatic hydropneumatic actuation device

 #93
20160146360
2016-05-26

Pressure sensitive valve assembly incorporating enhanced retention legs and fluid filter including the same

 #94
20160084394
2016-03-24

Noise reduction relief valve for cryogenic liquid containers

 #95
20160060996
2016-03-03

High performance subsea pressure regulator

 #96
20160032920
2016-02-04

Check valve with improved response time

 #97
20160023153
2016-01-28

MULTI-STAGE FILTER WITH PRESSURE RELIEF APPARATUS

 #98
20160001650
2016-01-07

Low resistance flow regulator

 #99
20150354710
2015-12-10

Fuel tank valve assembly

 #100
20150285128
2015-10-08

Charge air cooler with integrated adjustable drain mechanism

 #101
20150267823
2015-09-24

Nozzle check valve

 #102
20150252909
2015-09-10

Low head to stem ratio poppet valve

 #103
20150238885
2015-08-27

Fluid flow controller and filter assembly with fluid flow controller

 #104
20150167539
2015-06-18

Shuttle valve assembly and method for intercooler condensation removal

 #105
20150152626
2015-06-04

Switch structure of water outlet of wall-mounted faucet

 #106
20150144826
2015-05-28

Valve seats for use in fracturing pumps

 #107
20150144209
2015-05-28

COVER OF A PUMP

 #108
20150059711
2015-03-05

Flow control valve and vapor fuel processing apparatus having the same

 #109
20150000771
2015-01-01

Tube coupling device

 #110
20140316325
2014-10-23

CSF shunt valve

 #111
20140311593
2014-10-23

Relief valve

 #112
20140262995
2014-09-18

Valve Assembly of a Filter Element

 #113
20140251465
2014-09-11

Tip-resistant valve plugs

 #114
20140202556
2014-07-24

Valve for rapid inflation and deflation

 #115
20140000730
2014-01-02

Polymer bellows spring

 #116
20130240174
2013-09-19

Vehicle cooling device

 #117
20130209298
2013-08-15

VALVE, IN PARTICULAR OF A HYDRAULIC PISTON PUMP

 #118
20130199474
2013-08-08

Non-return valve of a camshaft adjuster

 #119
20130195685
2013-08-01

Self-cleaning disc valve for piston pump

 #120
20130032115
2013-02-07

Valve for controlling a gas flow, liquid separator, ventilation system and internal combustion engine comprising such a valve

 #121
20120186669
2012-07-26

Nozzle check valve

 #122
20120134854
2012-05-31

Differential pressure control valve and variable displacement compressor having the differential pressure control valve

 #123
20120042969
2012-02-23

Tip-resistant valve plugs

 #124
20110315909
2011-12-29

CONSTANT-RESIDUAL-PRESSURE VALVE

 #125
20110226976
2011-09-22

Valve for control of high pressure air pressure air pulse

 #126
20100181518
2010-07-22

VALVE SPRING FOR A PLATE VALVE

 #127
20100108163
2010-05-06

Caged poppet valve

 #128
20100012201
2010-01-21

LNG collection system and method

 #129
20090252627
2009-10-08

Compressor assembly comprising a valve unit in the intake region

 #130
20090250643
2009-10-08

Fast response check control valve

 #131
20090242052
2009-10-01

Temperature adjustable mixing valve

 #132
20080251135
2008-10-16

Valve for control of high pressure air pressure air pulse

 #133
20080185055
2008-08-07

Soffit vent

 #134
20080142303
2008-06-19

Check valve of cylinder head

 #135
20070295410
2007-12-27

Discharge valve and valve assembly of reciprocating compressor having the same

 #136
20070193630
2007-08-23

Thermostatic expansion valve with check valve

 #137
20070193629
2007-08-23

Thermostatic expansion valve with check valve

 #138
20070095403
2007-05-03

One way valve

 #139
20070088216
2007-04-19

Device and method for injectate duration measurement and temperature measurement

 #140
20060289068
2006-12-28

Check valve

 #141
20060151030
2006-07-13

Safety valve

 #142
20060021661
2006-02-02

Check valve

 #143
20050155586
2005-07-21

Apparatus for controlling a pressure in a fuel inflow line

 #144
20050115616
2005-06-02

Check valve

 #145
20050103891
2005-05-19

Fluid product dispenser

 #146
20050092374
2005-05-05

Discharging valve assembly of reciprocating compressor

 #147
19313277
2026-05-19

Innovative two-stage pressure control water valve

 #148
18325971
2024-02-06

Pressure relief valve and adsorbent chamber for two-phase immersion cooling systems and methods for using same

 #149
18307156
2024-04-30

Electromagnetic valve manifold

 #150
17099891
2022-04-19

Double poppet check valve for low and high flow rates

 #151
16929241
2022-02-08

Dual use valve member for a valve assembly

 #152
16436356
2020-10-20

Multi-material frac valve poppet

 #153
15714406
2019-10-15

Pressure regulating valve with multi-pronged piston assembly