ClassID:

249454

Y10T137/8704 - CPC Classification

Classification description:

Fluid handling; Systems; Sequentially progressive opening or closing of plural valves; Lost motion First valve actuates second valve

Recent Application in this class:
#1
20220299128
2022-09-22

Valve for hydrogen tank of fuel cell vehicle

#2
20190308887
2019-10-10

Shuttle valve for water softener system and method

#3
20180348801
2018-12-06

Proportional valve

#4
20170260064
2017-09-14

Shuttle valve for water softener system and method

#5
20160178086
2016-06-23

Fluid transfer device with quick-acting shutoff

#6
20150261228
2015-09-17

Two-member connecting structure

#7
20150217438
2015-08-06

Multi-operational valve

#8
20150144819
2015-05-28

Isolation valve with fast depressurization for high-pressure fuel tank

#9
20140283939
2014-09-25

Fluid transfer device with connector

#10
20140246106
2014-09-04

Fluid transfer system having transfer device and dry break coupler

#11
20140060670
2014-03-06

Ventilating and evacuating valve for conduit pipes and/or braces

#12
20130255792
2013-10-03

Remote actuation of safety device

#13
20120132294
2012-05-31

Fluid transfer device with lock

#14
20120042955
2012-02-23

Dual butterfly control valve and method of use

#15
20110240145
2011-10-06

Isolation valve with fast depressurization for high-pressure fuel tank

#16
20110162728
2011-07-07

Valve assembly for high-pressure fluid reservoir

#17
20110033313
2011-02-10

Air flow control apparatus

#18
20100319779
2010-12-23

Three-position fluid valve for downhole use

#19
20100269921
2010-10-28

Valve assembly for high-pressure fluid reservoir

#20
20100148108
2010-06-17

Fluid control valve

#21
20100024904
2010-02-04

Low emission fluid transfer device

#22
20090224192
2009-09-10

Electromagnetic spool valve

#23
20090189101
2009-07-30

Shut-off valve

#24
20090013706
2009-01-15

Air conditioning apparatus for vehicle

#25
20080283135
2008-11-20

Electrically controllable valve

#26
20080047619
2008-02-28

Multi stage pressure regulator

#27
20060207669
2006-09-21

Valve structure and control techniques

#28
20060180211
2006-08-17

Flow control valve with two stage pintel and concentric valve seats

#29
20050205133
2005-09-22

Pressure control valve

#30
20050189509
2005-09-01

Leak-resistant solenoid valves

#31
20050166979
2005-08-04

Solenoid valve