ClassID:

152398

F16K31/001 - CPC Classification

Classification description:

Operating means Actuating devices; ; Releasing devices actuated by volume variations caused by an element soluble in a fluid or swelling in contact with a fluid

Recent Application in this class:
#1
20250160270
2025-05-22

A VALVE ASSEMBLY FOR AN IRRIGATION SYSTEM

#2
20240093798
2024-03-21

Delayed opening fluid communication valve

#3
20210372093
2021-12-02

Valve assemblies for leak prevention

#4
20210348478
2021-11-11

Multiple system ports using a time delay valve

#5
20210254732
2021-08-19

Automatic reset flood valve

#6
20200326008
2020-10-15

Moisture sensing valves and devices

#7
20200256479
2020-08-13

Steam valve driving apparatus

#8
20200132207
2020-04-30

Weight-actuated spring-biased valve

#9
20200041019
2020-02-06

Shut-off valve

#10
20190219183
2019-07-18

Automatic reset flood valve

#11
20190142244
2019-05-16

Device for testing the leakproofness of a surgical instrument, reprocessing device for reprocessing surgical instruments, and use of a swellable material body

#12
20180328513
2018-11-15

MOISTURE SENSING VALVES AND DEVICES

#13
20180292015
2018-10-11

Leak detector structure

#14
20170332566
2017-11-23

Soil Moisture Sensing Valves And Devices

#15
20170185090
2017-06-29

Sanitary insertion unit

#16
20170066538
2017-03-09

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

#17
20140014195
2014-01-16

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

#18
20130310811
2013-11-21

Apparatus, system and method for a dissolvable valve member

#19
20130284675
2013-10-31

Valve

#20
20130161411
2013-06-27

Soil moisture responsive irrigation flow control valve

#21
20120012190
2012-01-19

Valve system for releasing pressurized fluid

#22
20110030275
2011-02-10

Moisture responsive device and method

#23
20100294969
2010-11-25

IN-LINE LIQUID VALVE CONTROLLED BY AN EXPANDING AND CONTRACTING HYGROSCOPIC MATERIAL

#24
20100282004
2010-11-11

Dissolution actuated sample container

#25
20100269916
2010-10-28

DEVICE FOR PREVENTING LEAKAGE FROM WATER PURIFIER

#26
20100148097
2010-06-17

Liquid flow control device

#27
20100108148
2010-05-06

Utilizing swellable materials to control fluid flow

#28
20090326483
2009-12-31

Valve assembly including a dissolvable valve member

#29
20080069729
2008-03-20

Liquid Valving Using Reactive or Responsive Materials

#30
20070204612
2007-09-06

Shape memory alloy latching valve

#31
20070034817
2007-02-15

Liquid flow control devices

#32
20070034255
2007-02-15

Liquid flow control devices

#33
20050178705
2005-08-18

Water treatment cartridge shutoff

#34
20050087231
2005-04-28

Non-electronic, automatically controlled valving system utilizing expanding/contracting material

#35
17898609
2023-05-23

Valve control system