ClassID:

249147

Y10T137/778 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Bi-directional flow valves Axes of ports co-axial

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

MULTI-FUNCTION VALVE ASSEMBLIES

#2
20240309958
2024-09-19

MULTI-FUNCTION VALVE ASSEMBLIES

#3
20210190197
2021-06-24

Pressure compensation device for a housing, in particular of a motor vehicle, and component for a motor vehicle

#4
20190128436
2019-05-02

Bi-directional inline check valve

#5
20180274284
2018-09-27

Thief hatches with diaphragm assisted sealing

#6
20170297815
2017-10-19

Automatic aeration device for oil tank

#7
20170234442
2017-08-17

Intelligent pressure relief device for a double isolation valve

#8
20160007764
2016-01-14

Reduced outflow inflation valve

#9
20150258558
2015-09-17

Portable pressurized sprayer

#10
20140216573
2014-08-07

Check valve

#11
20140026979
2014-01-30

Inflow protection device for air relief valves on water-carrying pipelines

#12
20120160335
2012-06-28

Pressure retention valve and integrated valve for tank system

#13
20120160219
2012-06-28

Device for ventilating and aerating a fuel tank

#14
20120122005
2012-05-17

Valve for fuel cell, and fuel cell vehicle

#15
20120055943
2012-03-08

Ventilation arrangement for a fuel tank

#16
20110226356
2011-09-22

Check valve

#17
20110203691
2011-08-25

Non-return valve

#18
20110162843
2011-07-07

Process and apparatus to improve reliability of pinpoint stimulation operations

#19
20110126804
2011-06-02

Common rail fuel pump with combined discharge and overpressure relief valves

#20
20110089359
2011-04-21

Spring retaining sleeve

#21
20110073191
2011-03-31

Hydraulic circuit and manifold with multifunction valve

#22
20110057436
2011-03-10

Quick disconnect device for connecting a sprayer tank to a portable pump assembly

#23
20110056938
2011-03-10

Vent valve

#24
20110036586
2011-02-17

Self aligning mud saver valve seat

#25
20100282333
2010-11-11

Safety relief fill valve assembly

#26
20100266432
2010-10-21

Micro valve, method for producing a micro valve, as well as micro pump

#27
20100191192
2010-07-29

Three-way valve for power injection in vascular access devices

#28
20100096024
2010-04-22

Air valve device

#29
20100092821
2010-04-15

Valve for fuel cell, and fuel cell vehicle

#30
20090308062
2009-12-17

Hydraulic steering system and method

#31
20090288719
2009-11-26

Tank pressure and vacuum relief device

#32
20090230340
2009-09-17

Bi-directional flapper valve

#33
20090071787
2009-03-19

Latching frictional engagement assembly using a check valve

#34
20090014071
2009-01-15

Mud saver valve with magnetic latching

#35
20080131297
2008-06-05

Suction throttle valve of a compressor

#36
20080053212
2008-03-06

Flow control valve and method

#37
20080000255
2008-01-03

Combination restrictor cartridge

#38
20070169822
2007-07-26

Double-acting valve unit

#39
20070163656
2007-07-19

Check valve

#40
20070007231
2007-01-11

Valve device having two membranes for a drinking container

#41
20060283501
2006-12-21

Roll-over valve with shared overfill protection and vacuum relief

#42
20060175122
2006-08-10

Damper valve and hydraulic power steering apparatus

#43
20060174947
2006-08-10

Internal pressure equilibrium device for airtight space

#44
20060112993
2006-06-01

Combination valve

#45
20060099093
2006-05-11

Flow control valve and method

#46
20060049373
2006-03-09

Blocking element, especially an explosion protection valve

#47
20060011238
2006-01-19

Backflow preventer

#48
20050279409
2005-12-22

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

#49
20050257837
2005-11-24

Combination umbrella and inverted bi-directional valve

#50
20050211303
2005-09-29

Bi-directional damper valve for a hydraulic line, power steering system incorporating the damper valve, and methods of using same

#51
20050204769
2005-09-22

Flow-rate restrictor insert for orifice expansion device

#52
20050151341
2005-07-14

Motorcycle steering damper

#53
20050145558
2005-07-07

Filter device having a bi-directional valve

#54
20050121081
2005-06-09

Valve for use with chest drainage system

#55
20050028869
2005-02-10

Combination valve for fuel system