ClassID:

152478

F16K31/20 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices actuated by fluid actuated by a float actuating a lift valve

Sub-classes:
Recent Application in this class:
#1
20260138891
2026-05-21

WASTEWATER VALVLE ARRANGEMENT

#2
20260098591
2026-04-09

AUTOMATICALLY SWITCHING A CONTROLLER BETWEEN SNAP OPERATION AND THROTTLE OPERATION

#3
20250381840
2025-12-18

VALVE ASSEMBLY FOR A FUEL TANK

#4
20250264003
2025-08-21

Float Valve Apparatus Having Metal-to-Metal Seals and Method for Using Same

#5
20250215997
2025-07-03

FLOATING BALL STRUCTURE AND HUMIDIFIER

#6
20250092884
2025-03-20

LANDFILL PUMP HAVING METERED CYCLING

#7
20250067343
2025-02-27

BACK FLOW VALVE

#8
20250052130
2025-02-13

Float valve apparatus having metal-to-metal seals and method for using same

#9
20240424889
2024-12-26

Valve device

#10
20240229691
2024-07-11

FLOTATION-BASED VALVE TO PREVENT OIL FROM EXITING A VEHICLE OIL SUMP

#11
20240183247
2024-06-06

Float valve assembly

#12
20240133324
2024-04-25

FLOTATION-BASED VALVE TO PREVENT OIL FROM EXITING A VEHICLE OIL SUMP

#13
20230172422
2023-06-08

Dishwasher and water jacket included in same

#14
20220235877
2022-07-28

Mechanical overfill prevention valve insertable within a fill pipe

#15
20220146013
2022-05-12

Discharge valve unit and fluid device

#16
20220042459
2022-02-10

Shut off valves and components thereof for ecology fuel return systems

#17
20220010887
2022-01-13

Valve body

#18
20210318029
2021-10-14

Condensate trap

#19
20210308694
2021-10-07

CLAWSON-IMPROVED FLOTATION VALVE

#20
20210231229
2021-07-29

Valve

#21
20210033213
2021-02-04

System and apparatus for controlling fluid flow in drainage systems

#22
20200347940
2020-11-05

VALVE CARTRIDGE ASSEMBLY

#23
20200194135
2020-06-18

DEPRESSURISATION VALVE

#24
20200088316
2020-03-19

Float valve

#25
20190293203
2019-09-26

Sealing valve for a sensor

#26
20190136495
2019-05-09

Way out valve for urinals with double little ball

#27
20190092618
2019-03-28

Testable overfill prevention valve for a liquid storage container

#28
20190032322
2019-01-31

Backflow valve assembly

#29
20190032315
2019-01-31

Pilot operated diaphragm fill valve and assembly for reducing hydrostatic shock

#30
20180355987
2018-12-13

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

#31
20180313369
2018-11-01

Submersible pneumatic pump with air-exclusion valve

#32
20180291604
2018-10-11

Drainer Using Height Adjustable Basket to Adjust Height of Floating Body

#33
20180274447
2018-09-27

Shut off valves and components thereof for ecology fuel return systems

#34
20180138479
2018-05-17

Power Storage Device

#35
20180074526
2018-03-15

Overfill prevention valve assembly

#36
20180002902
2018-01-04

Automatic fluid flow controlling device for stopping flow of running fluid

#37
20170350560
2017-12-07

Shut-off device for pipe

#38
20170343126
2017-11-30

Venting and/or bleeding valve

#39
20170321724
2017-11-09

SUBMERSIBLE PNEUMATIC PUMP WITH AIR EXCLUSION VALVE

#40
20170260727
2017-09-14

Leak-proof water valve of toilet tank

#41
20170241111
2017-08-24

Leakage prevention module

#42
20170219116
2017-08-03

Automatic water shut-off device

#43
20170184211
2017-06-29

ELECTRONIC SOLENOID AIR VENT

#44
20170002953
2017-01-05

Sealing valve for a sensor

#45
20160370811
2016-12-22

Testable overfill prevention valve

#46
20160305328
2016-10-20

Shut off valves and components thereof for ecology fuel return systems

#47
20160215893
2016-07-28

Water diverter assembly for a dishwashing appliance

#48
20160146370
2016-05-26

Aircraft water heating tank air vent valve

#49
20160076666
2016-03-17

FUEL TANK VALVE

#50
20160024771
2016-01-28

Delayed shutoff device

#51
20150323093
2015-11-12

VALVE ARRANGEMENT FOR VENTING GAS FROM LIQUID CIRCULATING IN A SUBSEA PRODUCTION SYSTEM

#52
20150300524
2015-10-22

Device for quickly venting and draining a filter

#53
20150267828
2015-09-24

Combination air valve

#54
20150129051
2015-05-14

Vent valve

#55
20150083239
2015-03-26

Double action float valve

#56
20150034177
2015-02-05

FLOAT VALVE

#57
20150000751
2015-01-01

Density based mechanical valve control system

#58
20140373934
2014-12-25

ATTACHMENT FOR FLOAT VALVE AND METHOD OF USE

#59
20140290757
2014-10-02

Double action float valve

#60
20140124047
2014-05-08

Height adjusting mechanism for an inlet valve

#61
20140083524
2014-03-27

Float switch of a humidifier

#62
20140014193
2014-01-16

Valve assembly for production tanks

#63
20130228237
2013-09-05

Valve assembly

#64
20130213480
2013-08-22

Testable overfill prevention valve

#65
20130087220
2013-04-11

Specific gravity valve

#66
20130087208
2013-04-11

SPECIFIC GRAVITY VALVE FOR A PRODUCTION TANK

#67
20120055563
2012-03-08

FOUNTAIN AUTOFILL VALVE KIT

#68
20120024400
2012-02-02

Valve assembly

#69
20100307608
2010-12-09

Valve assembly

#70
20100294376
2010-11-25

Two-way actuator and method

#71
20100043886
2010-02-25

Heated humidified chamber with autofeed mechanism

#72
20090165198
2009-07-02

APPARATUS AND METHOD TO CONTROL AND ADJUST WATER CONSUMPTION BY A TOILET DURING REFILL OF THE BOWL AND RESERVIOR

#73
20070240767
2007-10-18

Autofeed mechanism for heated humidifier chamber

#74
20070220700
2007-09-27

Liquid level control device for a container

#75
20070169840
2007-07-26

Flow control device

#76
20060185742
2006-08-24

Breather system for fuel tank

#77
20060169325
2006-08-03

Tap assembly for a liquid vessel having an overfill protection device and a float controlled magnetic level gauge

#78
20060162774
2006-07-27

Valve assembly

#79
20050022897
2005-02-03

Float operated overfill protection device

#80
19391237
2026-05-19

Float-actuated fluid valve assembly

#81
17166754
2022-10-18

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