Patents-Review.com
ClassID:

152244 ⎘

F16K15/044 - CPC Classification

Classification description:

Check valves with guided rigid valve members shaped as balls spring-loaded

Sub-classes:
Recent Application in this class:
#1
20260108124
2026-04-23

CARTRIDGE AND WET CLEANING ASSEMBLY

 #2
20260085762
2026-03-26

BIAS DOUBLE CHECK VALVE

 #3
20260002829
2026-01-01

VEHICLE LEAK DETECTION APPARATUS AND METHOD WITH AUTOMATIC INTAKE PRESSURE REGULATION

 #4
20250367891
2025-12-04

Resin Transfer Molding Vent Bleeder Valve

 #5
20250234920
2025-07-24

ELECTRONIC VAPORISER SYSTEM

 #6
20250224042
2025-07-10

VALVES FOR CONTROLLING FLOW OF PRESSURIZED FLUID TO A TOOL

 #7
20250207675
2025-06-26

Cartridge Check Valve

 #8
20250189049
2025-06-12

CHECK VALVE

 #9
20250171003
2025-05-29

BRAKING APPARATUS FOR VEHICLE

 #10
20250135176
2025-05-01

QUICK CONNECT, RAPID FLUID TRANSFER CONNECTION

 #11
20250134173
2025-05-01

Aerosol Generating Device

 #12
20250129729
2025-04-24

ROCKER ARM ASSEMBLY

 #13
20250116268
2025-04-10

CHECK VALVE FOR RAT RE-STOW PUMP

 #14
20250035224
2025-01-30

COMPACT INLINE OVER-PRESSURIZATION PROTECTION DEVICE

 #15
20240358486
2024-10-31

PUMP FOR ARTIFICIAL SPHINCHTER

 #16
20240344625
2024-10-17

ADJUSTABLE CHECK VALVE

 #17
20240287951
2024-08-29

CHECK VALVE FOR RAT RESTOW PUMP

 #18
20240200678
2024-06-20

VALVE FOR GAS CYLINDER WITH CHECK-VALVE PREVENTING UNOFFICIAL REFILLING

 #19
20240197459
2024-06-20

REFLEX ARTIFICIAL SPHINCHTER

 #20
20240191783
2024-06-13

Variable stiffness function through a check valve in a hydraulic

 #21
20240102563
2024-03-28

Automatic exhaust valve

 #22
20240068623
2024-02-29

SOLENOID VALVE FOR HIGH-PRESSURE CONTAINER

 #23
20240035584
2024-02-01

CHECK VALVE STRUCTURE AND METHOD OF ASSEMBLING THE SAME

 #24
20240011572
2024-01-11

Check valve unit

 #25
20230358328
2023-11-09

PNEUMATIC VALVE SYSTEM AND METHODS OF USING THE SAME

 #26
20230347361
2023-11-02

ATOMIZING NOZZLE ARRANGEMENT

 #27
20230347119
2023-11-02

SYSTEM AND METHOD FOR A VALVE

 #28
20230296179
2023-09-21

METHOD AND APPARATUS FOR REDUCING CAVITATION IN A FLUID END

 #29
20230279957
2023-09-07

ADDITIVELY MANUFACTURED HYDRAULIC VALVE COMPONENTS

 #30
20230243434
2023-08-03

Valve assembly

 #31
20230228303
2023-07-20

Methods And Systems For Improving The Operation Of Transmissions For Motor Vehicles

 #32
20230228168
2023-07-20

MULTI-FUNCTION VALVE

 #33
20230213111
2023-07-06

Pump, multi-function valve, and controller apparatus

 #34
20230194008
2023-06-22

Fluidic valve supporting additional movement in addition to opening and closing movement

 #35
20230184346
2023-06-15

Pneumatic valve adapter for bicycle tire

 #36
20230184345
2023-06-15

Pump head for bicycle tire inner tube with pneumatic valve

 #37
20230184344
2023-06-15

Bicycle Tire Inner Tube with Pneumatic Valve

 #38
20230180826
2023-06-15

Electronic vaporizer system

 #39
20230167754
2023-06-01

Rocker arm assembly

 #40
20230160486
2023-05-25

CHECK VALVE AND BRAKE SYSTEM INCLUDING SAME

 #41
20230151897
2023-05-18

Fuel nozzle with reduced flow tolerance

 #42
20230069417
2023-03-02

Valve device of a pneumatically actuatable friction clutch

 #43
20230065329
2023-03-02

Backflow prevention device

 #44
20220341481
2022-10-27

Hydraulic rebound stop pressure relief system

 #45
20220282742
2022-09-08

Additively manufactured hydraulic valve components

 #46
20220275873
2022-09-01

High-pressure valve cartridge

 #47
20220194346
2022-06-23

Check valve for brake system

 #48
20220185257
2022-06-16

Piston pump for brake system

 #49
20220183360
2022-06-16

Electronic Cigarette with Wick

 #50
20220112946
2022-04-14

SPILL PROOF DRAIN PLUG

 #51
20220090692
2022-03-24

Valve, battery and power consumption device

 #52
20220090468
2022-03-24

Pressure regulating check valve

 #53
20220034436
2022-02-03

MULTI-COUPLER MANIFOLD WITH MANUAL AND AUTOMATIC PRESSURE RELIEF

 #54
20220010886
2022-01-13

Check valve and modulator block including same

 #55
20220003231
2022-01-06

High pressure common rail fuel pump outlet check valve retainer

 #56
20210372529
2021-12-02

Separate valve seating

 #57
20210370346
2021-12-02

Apparatuses and methods using high pressure dual check valve

 #58
20210355856
2021-11-18

Oil-spray tube with poppet valve

 #59
20210285556
2021-09-16

Pneumatic valve system and methods of using the same

 #60
20210285524
2021-09-16

CHECK VALVE AND INTEGRATED PRESSURE RELIEF VALVE CONTROLLED BY A METALLIC BAND

 #61
20210239226
2021-08-05

Valve

 #62
20210230968
2021-07-29

Pump, multi-function valve, and controller apparatus

 #63
20210230967
2021-07-29

MULTI-FUNCTION VALVE

 #64
20210222750
2021-07-22

GAS SPRING WITH TRAVEL CONTROL

 #65
20210207721
2021-07-08

Dense phase pump with easily replaceable components

 #66
20210207620
2021-07-08

Valve system for pneumatic cylinders

 #67
20210199102
2021-07-01

Bellows pressure relief valve

 #68
20210190219
2021-06-24

Switching valve, valve apparatus, holding apparatus, lithography apparatus, and method of manufacturing article

 #69
20210164390
2021-06-03

Adjustable-length connecting rod, reciprocating piston engine, and vehicle

 #70
20210131425
2021-05-06

Piston pump for brake system of vehicle

 #71
20210120738
2021-04-29

Controlled lateral belt reverse for draper head of agricultural combine

 #72
20210101472
2021-04-08

Valve system of fuel pump for vehicle

 #73
20210048117
2021-02-18

Methods and drive circuit for controlling a solenoid valve

 #74
20210018220
2021-01-21

Overflow Protection And Monitoring Apparatus And Methods Of Installing Same

 #75
20200400243
2020-12-24

Precision fuel metering check valve cartridge

 #76
20200224559
2020-07-16

Rocker arm assembly

 #77
20200208750
2020-07-02

Safety valve

 #78
20200190992
2020-06-18

Fan blade with integral metering device for controlling gas pressure within the fan blade

 #79
20200182365
2020-06-11

Integrated Outlet Check Valve and Pressure Relief Valve

 #80
20200178612
2020-06-11

VAPORIZER HAVING ONE-WAY AIRFLOW VALVE AND ELECTRONIC CIGARETTES HAVING THE SAME

 #81
20200131966
2020-04-30

Injector for injecting a gaseous reducing agent into an exhaust gas stream, comprising at least one anti-backflow device

 #82
20200124130
2020-04-23

Gas spring with travel control

 #83
20200103044
2020-04-02

Relief valve

 #84
20200102924
2020-04-02

Fuel pump and outlet valve thereof

 #85
20200056716
2020-02-20

Ball valve for a pipe system for conveying liquid or gaseous media

 #86
20200056634
2020-02-20

Valve system for pneumatic cylinders

 #87
20200040858
2020-02-06

Valve Assembly for a Fuel Injection System, and Fuel Injection System

 #88
20200040779
2020-02-06

Lubrication control in internal combustion engines

 #89
20200032917
2020-01-30

Fluid injection valve

 #90
20200032916
2020-01-30

Hydraulic steering unit

 #91
20200000274
2020-01-02

Beverage dispensing systems and methods

 #92
20190376364
2019-12-12

Hydrostatic equalizing stem check valve

 #93
20190368476
2019-12-05

Piston-valve engagement in fluid sprayers

 #94
20190301623
2019-10-03

Clutch apply cavity air bleed

 #95
20190257470
2019-08-22

Check valve

 #96
20190233202
2019-08-01

Fill device for a water reservoir tank

 #97
20190232685
2019-08-01

Apparatus and methods for masking a printer table

 #98
20190223654
2019-07-25

Beverage dispensing systems and methods

 #99
20190219195
2019-07-18

Split micro-valve

 #100
20190219180
2019-07-18

Bypass valve for expansion machine

 #101
20190211789
2019-07-11

Check valve, high-pressure component, and high-pressure fuel pump

 #102
20190145537
2019-05-16

Coined seat for metal-to-metal seating

 #103
20190101222
2019-04-04

Hammer union back pressure regulator

 #104
20190072063
2019-03-07

FLOW RESTRICTOR FOR AN INJECTOR

 #105
20190040972
2019-02-07

System and methods for operating a solenoid valve

 #106
20190011022
2019-01-10

Tensioner

 #107
20190010835
2019-01-10

Rocker arm assembly

 #108
20190003557
2019-01-03

Press-fit check valve for a hydraulic tensioner reservoir with metered backflow

 #109
20180363416
2018-12-20

Pressurized seat check valve

 #110
20180355987
2018-12-13

Check valve for overflow oil line when pressure fill fittings are remote

 #111
20180347716
2018-12-06

Check valve

 #112
20180328142
2018-11-15

Pressure regulating check valve

 #113
20180313219
2018-11-01

Joint cover with improved manifold block for duct leak detection system

 #114
20180299065
2018-10-18

Coupler of grease gun

 #115
20180273281
2018-09-27

LIQUID CONTAINERS WITH PORTS

 #116
20180259222
2018-09-13

Overflow protection and monitoring apparatus and methods of installing same

 #117
20180259077
2018-09-13

INTEGRATED CHECK-RELIEF VALVE

 #118
20180239370
2018-08-23

Method and apparatus for controlling the flow rate of fluid discharge

 #119
20180238424
2018-08-23

Valve unit with carrier plate and valve body

 #120
20180214803
2018-08-02

NO FILTER NO RUN FEATURE FOR FILTER

 #121
20180200750
2018-07-19

Apparatuses and methods using high pressure dual check valve

 #122
20180195510
2018-07-12

Dual-stage pump with switching valve

 #123
20180180189
2018-06-28

Valve system for pneumatic cylinders

 #124
20180180007
2018-06-28

High pressure common rail fuel pump outlet check valve spring retainer method

 #125
20180172116
2018-06-21

Control of hydraulic tensioner tuning using hole size in piston nose

 #126
20180142615
2018-05-24

Variable compression ratio apparatus

 #127
20180128354
2018-05-10

Tensioner

 #128
20180128229
2018-05-10

High-pressure fuel pump

 #129
20180126203
2018-05-10

HIGH-VISCOSITY FIRE SUPPRESSANT DELIVERY SYSTEM USING AN INJECTION QUILL

 #130
20180112784
2018-04-26

Ball valve with pressure relief feature

 #131
20180073501
2018-03-15

Negating check valve

 #132
20180071762
2018-03-15

Refillable dispensing systems and components

 #133
20180071761
2018-03-15

Piston engaging with valve for self-priming in fluid sprayers

 #134
20180022331
2018-01-25

VALVE ASSEMBLY FOR AN ANTILOCK SYSTEM OF A BRAKE SYSTEM OF A VEHICLE

 #135
20170370486
2017-12-28

Valve system for pneumatic cylinders

 #136
20170361667
2017-12-21

Tire pressure management system

 #137
20170342876
2017-11-30

Lubrication control in internal combustion engines

 #138
20170342870
2017-11-30

Control valve

 #139
20170336023
2017-11-23

Check valve

 #140
20170321729
2017-11-09

Hydraulic bypass system

 #141
20170306732
2017-10-26

Automatic Y-tool

 #142
20170284550
2017-10-05

Adjustable stop for check valve

 #143
20170274605
2017-09-28

CAP UNIT FOR PUNCTURE REPAIR

 #144
20170268682
2017-09-21

Pump device

 #145
20170234470
2017-08-17

CONNECTIVE OUTLET FITTING FOR LIQUID COLOR DISPENSING

 #146
20170227135
2017-08-10

Pressure relief valve tuning feature

 #147
20170225884
2017-08-10

Fill device for a water reservoir tank

 #148
20170219107
2017-08-03

Cartridge style ball check for positive displacement pump

 #149
20170219101
2017-08-03

Incompressible fluid injection apparatus

 #150
20170208863
2017-07-27

One-way valve for refilling an aerosol delivery device

 #151
20170175728
2017-06-22

Bellows pressure relief valve

 #152
20170167328
2017-06-15

Lubrication control in internal combustion engines

 #153
20170152774
2017-06-01

Lubricating system for internal combustion engine, oil pan apparatus, and internal combustion engine

 #154
20170146140
2017-05-25

CHECK VALVE

 #155
20170138490
2017-05-18

Discharge valve comprising a receiving element

 #156
20170114912
2017-04-27

VALVE ARRANGEMENT

 #157
20170079469
2017-03-23

Beverage dispensing systems and methods

 #158
20170079468
2017-03-23

Beverage dispensing systems

 #159
20170059046
2017-03-02

Packing cylinder for expansion joint

 #160
20170043999
2017-02-16

Electronic vaporiser system

 #161
20170043998
2017-02-16

Electronic vaporizer system

 #162
20170042239
2017-02-16

Electronic vaporiser system

 #163
20170042235
2017-02-16

Electronic vaporiser system

 #164
20170042234
2017-02-16

Electronic vaporiser system

 #165
20170042233
2017-02-16

Electronic vaporiser system

 #166
20170042224
2017-02-16

Electronic vaporiser system

 #167
20170042214
2017-02-16

Electronic vaporiser system

 #168
20170037980
2017-02-09

Hybrid check valve

 #169
20170030340
2017-02-02

Valve for a downhole pump

 #170
20170014837
2017-01-19

Teat cup with nozzle means

 #171
20160353805
2016-12-08

E-vapor devices including pre-sealed cartridges

 #172
20160348799
2016-12-01

Decompression coupling block

 #173
20160348747
2016-12-01

Gas spring with travel control

 #174
20160348542
2016-12-01

Flow passage partition structure and fluid control valve

 #175
20160348471
2016-12-01

Fluid release valve

 #176
20160318566
2016-11-03

Track tensioner

 #177
20160312953
2016-10-27

DUAL PARALLEL OUTLET CHECK VALVE

 #178
20160288158
2016-10-06

Intermediate piece for the connection of a dispensing element to a storage container

 #179
20160252184
2016-09-01

Dense phase pump with easily replaceable components

 #180
20160123321
2016-05-05

Variable displacement compressor with an oil check valve

 #181
20160097486
2016-04-07

Check valve

 #182
20160040795
2016-02-11

Check valve

 #183
20160040663
2016-02-11

Check valve

 #184
20150285389
2015-10-08

Cryogenic check valve

 #185
20150260139
2015-09-17

Valve arrangement

 #186
20150226345
2015-08-13

Overpressure valve in the form of a check valve

 #187
20150219234
2015-08-06

Valve unit and motor vehicle

 #188
20150203343
2015-07-23

Filler device for a fluid tank

 #189
20150167860
2015-06-18

Check valve

 #190
20150158638
2015-06-11

Quarter turn adapter connective outlet fitting for liquid color dispensing

 #191
20150129057
2015-05-14

Static back pressure regulator

 #192
20150101688
2015-04-16

Flow Restrictor with Ball and Throttle

 #193
20150076379
2015-03-19

Throttle disk of a hydraulic assembly of a vehicle brake system

 #194
20150068491
2015-03-12

Fuel delivery system including integrated check valve

 #195
20140369874
2014-12-18

Adjustable stop for check valve

 #196
20140345718
2014-11-27

Fluid evacuation valve with break-away groove

 #197
20140345706
2014-11-27

Non-return valve

 #198
20140196651
2014-07-17

Valve assembly for a bilge pump system

 #199
20140188050
2014-07-03

Check valve arrangement

 #200
20140116387
2014-05-01

Pressure relief valve for common rail fuel system

 #201
20140109983
2014-04-24

High pressure relief valve spring assembly

 #202
20140020772
2014-01-23

Low noise relief valve

 #203
20140007955
2014-01-09

Captured check ball valve cartridge

 #204
20130331214
2013-12-12

Variable flow check valve for hydraulic tensioner

 #205
20130306033
2013-11-21

RELIEF VALVE FOR HIGH-PRESSURE FUEL PUMP

 #206
20130199636
2013-08-08

CHECK VALVE OF BRAKE SYSTEM

 #207
20130193748
2013-08-01

Check valve and braking system using the same

 #208
20130192697
2013-08-01

Check valve

 #209
20130152883
2013-06-20

Device for controlling supply of a system with a fluid

 #210
20130066278
2013-03-14

MODULAR VALVE APPARATUS

 #211
20120266979
2012-10-25

Check Valve for Abrasive Blaster Pressure Vessel

 #212
20120227840
2012-09-13

Check valve of hydraulic brake system

 #213
20120227837
2012-09-13

CHECK VALVE OF HYDRAULIC BRAKE SYSTEM

 #214
20120012771
2012-01-19

Ball seat having collapsible helical seat

 #215
20110315909
2011-12-29

CONSTANT-RESIDUAL-PRESSURE VALVE

 #216
20110290372
2011-12-01

Apparatus for repairing and inflating of damaged inflatable articles

 #217
20110248196
2011-10-13

Electro-hydraulic actuator including a release valve assembly

 #218
20110209780
2011-09-01

FOAM SPRAY GUN HOSES WHICH PREVENT CROSSOVER

 #219
20110158836
2011-06-30

LIQUID PAINT PUMPING APPARATUS

 #220
20110147016
2011-06-23

Fluid Selective Check Valve

 #221
20110037009
2011-02-17

NON-RETURN VALVE

 #222
20110036422
2011-02-17

AIR OVER OIL LUBRICATION DEVICE

 #223
20110011468
2011-01-20

Check valve for abrasive blaster pressure vessel

 #224
20100327652
2010-12-30

Check valve and brake hydraulic pressure control device using the same

 #225
20100276623
2010-11-04

Pressure control valve

 #226
20100224258
2010-09-09

Check valve with modulation and/or anti-oscillation feature

 #227
20100116364
2010-05-13

BACKFLOW PREVENTION DEVICE

 #228
20100051119
2010-03-04

Pressure relief valve

 #229
20100051118
2010-03-04

Flow control valve

 #230
20090288626
2009-11-26

Valve bridge having a centrally positioned hydraulic lash adjuster

 #231
20090288436
2009-11-26

Variable refrigerant expansion device with pressure relief

 #232
20090217990
2009-09-03

Manufacturing method of valve sealant fitting

 #233
20090108222
2009-04-30

Pleated washer spring for fuel pressure regulator

 #234
20090044871
2009-02-19

Low pressure rise rate pilot operated poppet relief valve

 #235
20090038693
2009-02-12

Combination relief valve and injection fitting

 #236
20090032123
2009-02-05

Check valve

 #237
20090032122
2009-02-05

Check valve structure for use in pump of hydraulic cylinder

 #238
20090032121
2009-02-05

Check Valve

 #239
20090007889
2009-01-08

Three position fuel line check valve for relief of diurnal pressure

 #240
20080296814
2008-12-04

GAS SPRING WITH TRAVEL CONTROL

 #241
20080295900
2008-12-04

Fluid jet for providing fluid under pressure to a desired location

 #242
20080292473
2008-11-27

High-pressure pump for feeding fuel to an internal combustion engine

 #243
20080240952
2008-10-02

High-Pressure Pump, in Particular for a Fuel Injection System of an Internal Combustion Engine

 #244
20080237514
2008-10-02

Flow Control Valve and Cylinder Apparatus Having the Same

 #245
20080216785
2008-09-11

Lash adjuster

 #246
20080210314
2008-09-04

Fluid jet with noise reducing sleeve

 #247
20080202478
2008-08-28

Pressure Control Valve for a Hydraulic Device, and Use of Said Pressure Control Valve

 #248
20080190492
2008-08-14

Outlet Fitting for a High-Pressure Pump

 #249
20080188352
2008-08-07

Two stage check valve for automatic transmission system

 #250
20080149103
2008-06-26

Fluid flow control valve

 #251
20080041462
2008-02-21

Fracture treatment check valve

 #252
20070221179
2007-09-27

Fuel line check valve system for relief of diurnal pressure

 #253
20070151607
2007-07-05

Structure of check valve

 #254
20070151546
2007-07-05

Vehicular transmission

 #255
20070107785
2007-05-17

Pressure control valve

 #256
20070095330
2007-05-03

Three position fuel line check valve for relief of diurnal pressure

 #257
20070068580
2007-03-29

Valve, in particular for a high-pressure pump of a fuel injection system for an internal combustion engine

 #258
20070023087
2007-02-01

Screwable check valve

 #259
20060272717
2006-12-07

Valve device for containing and preventing backflow of fluids

 #260
20060272711
2006-12-07

Pressure control valve

 #261
20060196476
2006-09-07

Pressure relief valve

 #262
20060180209
2006-08-17

Hollow ball valve assembly

 #263
20060169333
2006-08-03

Combination excess-flow/back-flow valve

 #264
20060169332
2006-08-03

Pressure actuated valve

 #265
20060169331
2006-08-03

Fluid jet with noise reducing sleeve

 #266
20060124170
2006-06-15

Compressor

 #267
20060117525
2006-06-08

Valve

 #268
20060102234
2006-05-18

Device for creating a pulsating flow of gas or fluid

 #269
20060076064
2006-04-13

Valve assembly

 #270
20060060252
2006-03-23

Fluid flow control valve

 #271
20060060247
2006-03-23

Telescopic snap valve

 #272
20050263191
2005-12-01

Check valve with locked restraint mechanism

 #273
20050229980
2005-10-20

Method of setting the ball travel of a valve-lash-adjusting element

 #274
20050217730
2005-10-06

Floating ball check valve

 #275
20050126638
2005-06-16

Check valve sealing arrangement

 #276
20050087233
2005-04-28

Modular multi-function fluid flow control device

 #277
20050081928
2005-04-21

Flow control valve

 #278
20050081709
2005-04-21

Choke valve of clutch release cylinder

 #279
20050072477
2005-04-07

Air fitting with an integral check valve

 #280
20050072476
2005-04-07

Fluid jet for providing fluid under pressure to a desired location

 #281
20050067024
2005-03-31

Reverse-flow throttle valve

 #282
20050061372
2005-03-24

Pressure regulator assembly

 #283
20050051218
2005-03-10

Relief valve

 #284
20050039798
2005-02-24

Tubular flow conduit with in-line integrated check valve and method of making same

 #285
20050016599
2005-01-27

Pressure control valve

 #286
17589949
2023-03-07

Pressure compensation valve with load-sense fluid signal generation and a reverse free flow configuration integrated therewith

 #287
16225842
2019-07-02

All plastic water resistant pump

 #288
15173121
2017-09-05

Oil drain valve with check ball and detachable bayonet-style actuator

 #289
15162356
2017-10-10

Aeration fitting for an aquarium

 #290
13974394
2014-08-12

Automatic transmission pressure regulation