ClassID:

249231

Y10T137/7867 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; Plural seating Sequential

Sub-classes:
Recent Application in this class:
#1
20220163135
2022-05-26

Check valve with secondary backflow seal

#2
20210310579
2021-10-07

Check valve with secondary backflow seal

#3
20200191286
2020-06-18

Valve

#4
20200182363
2020-06-11

Hydraulic control apparatus

#5
20180017171
2018-01-18

Dynamic valve seal having retaining features

#6
20160215891
2016-07-28

Dynamic valve seal having retaining features

#7
20160153474
2016-06-02

Metering check valve

#8
20150027549
2015-01-29

Dual stage poppet

#9
20130327429
2013-12-12

Bypass valve, device comprising bypass valve, and filter insert of the device

#10
20130276918
2013-10-24

Fuel metering system

#11
20130014838
2013-01-17

Relief device for oil pump

#12
20120285551
2012-11-15

Nose seal for surge relief valves

#13
20120073679
2012-03-29

Plug valve with an internal check valve

#14
20110297259
2011-12-08

Oil pump system for an engine

#15
20090044946
2009-02-19

Ball seat having fluid activated ball support

#16
20080188352
2008-08-07

Two stage check valve for automatic transmission system

#17
20080135045
2008-06-12

Exhalation valve for use in an underwater breathing device

#18
20080099082
2008-05-01

GAS VALVE SHUTOFF SEAL

#19
20070286780
2007-12-13

Disinfection apparatus with connection device

#20
20070131286
2007-06-14

Gas valve with overtravel

#21
20060260694
2006-11-23

Decompression valve

#22
20060130901
2006-06-22

Relief valve

#23
20060075993
2006-04-13

Fuel pressure regulation valve

#24
20050133093
2005-06-23

Pressure relief device with increased flow rate

#25
20050016597
2005-01-27

Fluid flow control valve