Patents-Review.com
ClassID:

152479 ⎘

F16K31/22 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices actuated by fluid actuated by a float actuating a lift valve with the float rigidly connected to the valve

Recent Application in this class:
#1
20250354623
2025-11-20

OVERFILL PREVENTION VALVE

 #2
20250243945
2025-07-31

COMBINATION AIR RELEASE VALVE

 #3
20250215997
2025-07-03

FLOATING BALL STRUCTURE AND HUMIDIFIER

 #4
20240424889
2024-12-26

Valve device

 #5
20240418280
2024-12-19

ROTARY VALVE

 #6
20230213111
2023-07-06

Pump, multi-function valve, and controller apparatus

 #7
20230125466
2023-04-27

Pneumatic device with sealing means and method therefor

 #8
20230087533
2023-03-23

Apparatus for preventing fuel overflow of a vehicle fuel tank

 #9
20230062396
2023-03-02

FLOAT VALVE, COMPRESSED-AIR SYSTEM HAVING A FLOAT VALVE, AND DRIER FOR A COMPRESSED-AIR SYSTEM HAVING A FLOAT VALVE

 #10
20230036122
2023-02-02

VALVE ASSEMBLY FOR A FUEL TANK

 #11
20230025926
2023-01-26

OVERFILL PREVENTION VALVE

 #12
20220403944
2022-12-22

Rotary valve

 #13
20220403714
2022-12-22

Additive manufactured floats for use in a downhole environment

 #14
20220381365
2022-12-01

Negative Pressure Pipeline Opening and Closing Device

 #15
20220290775
2022-09-15

Overfill prevention valve

 #16
20220251820
2022-08-11

NORMALLY OPEN BACKWATER PREVENTION VALVE

 #17
20220057013
2022-02-24

SHUT-OFF VALVE

 #18
20210199200
2021-07-01

Water outlet valve structure and humidifier having the same

 #19
20210198094
2021-07-01

Fully-integrated, top-fill, pressureless flow-control module couplable to a pressurized fuel line

 #20
20210138895
2021-05-13

Fuel tank valve device

 #21
20210071777
2021-03-11

Negative pressure pipeline opening and closing device

 #22
20210047823
2021-02-18

Backwater valve

 #23
20210033213
2021-02-04

System and apparatus for controlling fluid flow in drainage systems

 #24
20200400237
2020-12-24

Discharge valve system and method

 #25
20200347941
2020-11-05

Air valve seat and land

 #26
20200333807
2020-10-22

Self-closing aquarium valve

 #27
20200331341
2020-10-22

Ventilation control valve for fuel tank

 #28
20200263410
2020-08-20

Locked backwater valve

 #29
20200132201
2020-04-30

Dual check valve fluid circulation system for dishwasher appliances

 #30
20200124182
2020-04-23

Anti-shock check valve

 #31
20200101836
2020-04-02

Fuel tank ventilation valve

 #32
20200096131
2020-03-26

Plumbing float valve

 #33
20200088316
2020-03-19

Float valve

 #34
20200032748
2020-01-30

Mounting structure of fuel device

 #35
20200031221
2020-01-30

Valve device for fuel tank

 #36
20190353273
2019-11-21

Double action direction fluid flow valve

 #37
20190345021
2019-11-14

DROP TUBE SEGMENT

 #38
20190316686
2019-10-17

Valve device

 #39
20190293203
2019-09-26

Sealing valve for a sensor

 #40
20190285194
2019-09-19

Overfill prevention valve

 #41
20190264535
2019-08-29

Apparatus and a method for controlling fluid flow in, into or out of a well, and an orientation means for orienting the apparatus

 #42
20190233202
2019-08-01

Fill device for a water reservoir tank

 #43
20190233131
2019-08-01

Anti-overpressure fuel tank

 #44
20190168608
2019-06-06

Fuel shutoff valve

 #45
20190113149
2019-04-18

Valve device for fuel tank

 #46
20190101216
2019-04-04

Discharge valve system and method

 #47
20190078694
2019-03-14

Valve assembly for controlling direction of fluid flow according to direction of inclination

 #48
20190067076
2019-02-28

Vacuum adjustment device having a collet coupling

 #49
20190046756
2019-02-14

Humidification chamber having suspension type float

 #50
20190024588
2019-01-24

ECOLOGY FUEL RETURN SYSTEMS

 #51
20180372230
2018-12-27

Air valve seat and land

 #52
20180355996
2018-12-13

Double action direction fluid flow valve

 #53
20180335160
2018-11-22

Water level controller for a hydroponic system

 #54
20180319227
2018-11-08

Selectable tire pressure system in-wheel

 #55
20180319226
2018-11-08

Air induction system for a wheel based self inflation tire system

 #56
20180313461
2018-11-01

Vent control valve for fuel tank

 #57
20180313369
2018-11-01

Submersible pneumatic pump with air-exclusion valve

 #58
20180299027
2018-10-18

Valve assembly

 #59
20180248236
2018-08-30

Thermal battery with shut-off valve

 #60
20180149287
2018-05-31

Water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline

 #61
20180142835
2018-05-24

Vent valve

 #62
20180142796
2018-05-24

Reservoir overfill protection

 #63
20180135774
2018-05-17

Liquid level control device

 #64
20180112821
2018-04-26

Autofill shutoff valve

 #65
20180100620
2018-04-12

Centerfill of lubricant reservoir

 #66
20180043766
2018-02-15

Valve device

 #67
20180029467
2018-02-01

Fuel tank vapor valve assembly

 #68
20180017180
2018-01-18

WATERPROOF VALVE AND ELCTRONIC DEVICE USING THE SAME

 #69
20180009544
2018-01-11

Anti-overpressure fuel tank

 #70
20180002902
2018-01-04

Automatic fluid flow controlling device for stopping flow of running fluid

 #71
20170368927
2017-12-28

Filling head for an operating liquid tank with a gas and liquid valve body

 #72
20170356567
2017-12-14

Combination air valve

 #73
20170343126
2017-11-30

Venting and/or bleeding valve

 #74
20170259664
2017-09-14

Valve device

 #75
20170248243
2017-08-31

Noise attenuated fill limit vent valve

 #76
20170233991
2017-08-17

Floor Drain Gas Stopper

 #77
20170225884
2017-08-10

Fill device for a water reservoir tank

 #78
20170219117
2017-08-03

Integrated flow control valve with flowrate feedback

 #79
20170204988
2017-07-20

Reservoir Check Valve System

 #80
20170191422
2017-07-06

Ecology fuel return systems

 #81
20170183860
2017-06-29

Backflow prevention apparatus

 #82
20170138316
2017-05-18

Valve device

 #83
20170107711
2017-04-20

Powerless back-flow prevention apparatus

 #84
20170082214
2017-03-23

FLOW VALVE APPARATUS

 #85
20170074414
2017-03-16

Air valve seat and land

 #86
20170066538
2017-03-09

Water-inflow prevention device of aircraft, air pressure regulating valve for aircraft, and aircraft

 #87
20170008752
2017-01-12

Disposable valve and flexible containers for pressurized bioreactors

 #88
20170002953
2017-01-05

Sealing valve for a sensor

 #89
20160355085
2016-12-08

Valve device

 #90
20160348351
2016-12-01

Sewer system

 #91
20160327177
2016-11-10

Double action direction fluid flow valve

 #92
20160327047
2016-11-10

SELFPRIMING SYSTEM HAVING VALVE FOR A CENTRIFUGAL PUMP

 #93
20160310971
2016-10-27

Valve for draining off gas from a centrifugal separator

 #94
20160290520
2016-10-06

Fuel limit vent valve having vapor permeable membrane

 #95
20160177885
2016-06-23

Valve apparatus for fuel tank

 #96
20160091107
2016-03-31

Fuel cutoff valve

 #97
20160061342
2016-03-03

Balanced poppet float vent valve

 #98
20160023217
2016-01-28

Waste fluid holding tank drain system and method

 #99
20150240966
2015-08-27

DROP TUBE SEGMENT

 #100
20150203343
2015-07-23

Filler device for a fluid tank

 #101
20150176716
2015-06-25

Fuel float valve

 #102
20150130304
2015-05-14

Electric machine

 #103
20150083239
2015-03-26

Double action float valve

 #104
20150068619
2015-03-12

Device and method for preventing the overflow of a fluid reservoir

 #105
20150068618
2015-03-12

VALVE ASSEMBLY

 #106
20150053307
2015-02-26

Disposable valve and flexible containers for pressurized bioreactors

 #107
20140353532
2014-12-04

Double action direction fluid flow valve

 #108
20140352811
2014-12-04

Valve assembly

 #109
20140209190
2014-07-31

Fuel tank valve

 #110
20140076421
2014-03-20

Overfill prevention valve

 #111
20140014195
2014-01-16

Water-inflow prevention device of aircraft, air pressure regulating valve for aircraft, and aircraft

 #112
20130333775
2013-12-19

Automatic gas purge valve

 #113
20130306157
2013-11-21

Gas purge valve with actuation sensor

 #114
20130228238
2013-09-05

Toilet inlet valve and control method thereof

 #115
20130228237
2013-09-05

Valve assembly

 #116
20130220448
2013-08-29

Low profile backwater valve with lock

 #117
20130098451
2013-04-25

Pressure regulating float valve

 #118
20120330251
2012-12-27

Gravity-fed sterile eyewash station with float valve flow regulator

 #119
20120326070
2012-12-27

Double action directional fluid flow valve

 #120
20120312377
2012-12-13

Fuel float valve

 #121
20120279586
2012-11-08

Unpowered apparatus for preventing backflow

 #122
20120192903
2012-08-02

Water diverter valve and related dishwasher

 #123
20120177472
2012-07-12

Hydraulic coupler with pin retention system for coupling an attachment to a work machine

 #124
20120048313
2012-03-01

Water diverter valve and related dishwasher

 #125
20120024400
2012-02-02

Valve assembly

 #126
20110155751
2011-06-30

Valve for the venting circuit of a liquid tank

 #127
20110146817
2011-06-23

Wastewater valve arrangement

 #128
20110041750
2011-02-24

Self-bailing watercraft valve

 #129
20110005614
2011-01-13

VENT VALVE

 #130
20100319788
2010-12-23

SEPARATING LIQUID SHUT-OFF FOR AMMONIA VAPOR TRANSFER SYSTEM

 #131
20100307608
2010-12-09

Valve assembly

 #132
20100224265
2010-09-09

Valve device

 #133
20100186828
2010-07-29

AIR FLOW CONTROL VALVE

 #134
20100078083
2010-04-01

Low profile backwater valve

 #135
20090288735
2009-11-26

Float valve apparatus

 #136
20090183780
2009-07-23

Water trap assembly for vacuum-line plumbing systems

 #137
20090178719
2009-07-16

Float valve device

 #138
20090072180
2009-03-19

Double action directional fluid flow valve

 #139
20080149193
2008-06-26

Vent valve

 #140
20070277882
2007-12-06

Float type drain trap

 #141
20070267067
2007-11-22

VALVE FOR A SNORKEL

 #142
20070204393
2007-09-06

Automatic flushing device with magnetic valve

 #143
20070017559
2007-01-25

Washer fluid spraying apparatus

 #144
20060162774
2006-07-27

Valve assembly

 #145
20050115607
2005-06-02

Liquid supply cutoff valve and liquid supply cutoff device incorporating the same

 #146
17329516
2022-03-01

Gas valve

 #147
17166754
2022-10-18

System and apparatus for controlling fluid flow in drainage systems with a cage device

 #148
16052873
2022-01-25

Flow control device for a storm water management system

 #149
15611336
2020-11-24

Wastewater disinfection system