ClassID:

249206

Y10T137/7841 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; Plural One valve carries head and seat for second valve

Recent Application in this class:
#1
20250297688
2025-09-25

HYDRAULIC FLUID RELEASE VALVE ASSEMBLIES

#2
20210317923
2021-10-14

Pressure relief valve for inflatable structures and boats

#3
20210238830
2021-08-05

Backflow preventer and system separator especially for fire-fighting applications

#4
20200355283
2020-11-12

Dual disc non-slam nozzle check valve

#5
20190376473
2019-12-12

Fluid control valve

#6
20190360604
2019-11-28

Aspirator system pressure relief mechanism

#7
20190186645
2019-06-20

Check valves

#8
20160281869
2016-09-29

Spherical automatic flow emergency restrictor (S.A.F.E.R.) valve

#9
20160053904
2016-02-25

Tilting disc check valve

#10
20150144208
2015-05-28

Spherical automatic flow emergency restrictor valve

#11
20150136099
2015-05-21

Valve for a fuel system for a combustion engine and method for controlling a fuel system for a combustion engine

#12
20150114493
2015-04-30

Safety valve to release excess pressure from portable gas container for prevention of explosion

#13
20140144526
2014-05-29

Self piloted check valve

#14
20130327429
2013-12-12

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

#15
20130199635
2013-08-08

Pressure release valve

#16
20120222759
2012-09-06

NON-RETURN VALVE HAVING TWO CLOSING BODIES

#17
20120160335
2012-06-28

Pressure retention valve and integrated valve for tank system

#18
20120138168
2012-06-07

Nonreturn valve for an exhaust line

#19
20120024853
2012-02-02

Fuel tank valve device and fuel tank ventilation device

#20
20110192474
2011-08-11

Hydraulic control valve for construction machinery

#21
20110033313
2011-02-10

Air flow control apparatus

#22
20110023969
2011-02-03

Water saving device and method of using same

#23
20100282333
2010-11-11

Safety relief fill valve assembly

#24
20100047086
2010-02-25

Fuel pump

#25
20090205333
2009-08-20

Relief valve with double valve arrangment for releasing a booster pressure of a turbocharger

#26
20090097997
2009-04-16

Fuel pump

#27
20070227595
2007-10-04

Parent-subsidiary guide float valve

#28
20070079873
2007-04-12

Pipe disconnector with increased sealing power

#29
20070000543
2007-01-04

Pipe disconnector

#30
20060076016
2006-04-13

Diaphragm valve for a respirator

#31
20050279411
2005-12-22

Relief valve for hydraulic pump

#32
20050092364
2005-05-05

Cut valve with check valve

#33
20050087234
2005-04-28

Leak-detecting check valve, and leak-detection alarm system that uses said check valve

#34
17099891
2022-04-19

Double poppet check valve for low and high flow rates

#35
16908193
2022-04-12

Fluid expansion tank

#36
15846866
2020-06-23

Fluid expansion tank

#37
15132539
2016-08-30

Modular check valve system