ClassID:

249144

Y10T137/7777 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Bi-directional flow valves; One head and seat carried by head of another Both valves spring biased

Recent Application in this class:
#1
20250341260
2025-11-06

MULTI-FUNCTION VALVE ASSEMBLIES

#2
20240309958
2024-09-19

MULTI-FUNCTION VALVE ASSEMBLIES

#3
20190224794
2019-07-25

In-port sequence valve

#4
20190128436
2019-05-02

Bi-directional inline check valve

#5
20180274284
2018-09-27

Thief hatches with diaphragm assisted sealing

#6
20170370488
2017-12-28

Fluid pressure regulator with reverse flow capability

#7
20170314701
2017-11-02

Pressure relief valve

#8
20170138493
2017-05-18

Valve device

#9
20170072788
2017-03-16

Fuel shutoff valve

#10
20140216573
2014-08-07

Check valve

#11
20120160335
2012-06-28

Pressure retention valve and integrated valve for tank system

#12
20120055943
2012-03-08

Ventilation arrangement for a fuel tank

#13
20110226356
2011-09-22

Check valve

#14
20110056938
2011-03-10

Vent valve

#15
20090288719
2009-11-26

Tank pressure and vacuum relief device

#16
20090148332
2009-06-11

Compressor unloading valve

#17
20090095563
2009-04-16

Hydraulic power steering system with charging valve and air cushion in the tank

#18
20090071787
2009-03-19

Latching frictional engagement assembly using a check valve

#19
20090038813
2009-02-12

Automotive onboard fire suppression system reservoir having multifunction control valve

#20
20080295893
2008-12-04

Valve for limiting the tank pressure in a motor vehicle

#21
20080251052
2008-10-16

Fuel conveying device

#22
20080210313
2008-09-04

Pressure limiting valve with reduced differential area

#23
20080135110
2008-06-12

BI-DIRECTIONAL POSITIVE/NEGATIVE PRESSURE RELIEF VALVE

#24
20080115838
2008-05-22

Inflation valve

#25
20070084609
2007-04-19

Automotive Onboard Fire Suppression System Reservoir Having Multifunction Control Valve

#26
20060254644
2006-11-16

Combination inflation and relief valve

#27
20060191405
2006-08-31

Flow control valve having pressure compensating valve

#28
20060112993
2006-06-01

Combination valve

#29
20060070600
2006-04-06

Lubricating oil supplying system for internal combustion engine

#30
20050279409
2005-12-22

Valve arrangement in a hydraulic circuit, use of the same and arrangement for controlling a hydraulic vehicle drive

#31
20050250981
2005-11-10

Method of preventing inadvertent inflation of an inflatable prosthesis

#32
20050145558
2005-07-07

Filter device having a bi-directional valve

#33
20050056317
2005-03-17

Valve arrangement for controlling hydraulic fluid in an axial piston machine

#34
20050051216
2005-03-10

Pressure opening and closing valve

#35
20050028869
2005-02-10

Combination valve for fuel system

#36
17366450
2022-07-12

Bidirectional pressure relief valve