ClassID:

248571

Y10T137/2567 - CPC Classification

Classification description:

Fluid handling; Self-proportioning or correlating systems; Self-controlled branched flow systems; Plural inflows Alternate or successive inflows

Sub-classes:
Recent Application in this class:
#1
20200263804
2020-08-20

Three-way valve drivable by a pump

#2
20190049025
2019-02-14

Check valve

#3
20180298888
2018-10-18

Hydraulic machine and reversible metering pump equipped with such a machine

#4
20180252323
2018-09-06

Shuttle valve stabilization through pressure differential and shuttle valve with hollow poppet with weep hole

#5
20180023717
2018-01-25

Valve retaining cup

#6
20160281865
2016-09-29

Shuttle valve stabilization through pressure differential and shuttle valve with hollow poppet with weep hole

#7
20160230900
2016-08-11

Valve device

#8
20160215972
2016-07-28

Gas-fueled heater

#9
20160208937
2016-07-21

Spool switching valve device

#10
20160097404
2016-04-07

Bidirectional output mixed hydraulic power system

#11
20150362083
2015-12-17

Hard swap shuttle valve

#12
20150177745
2015-06-25

Gas-supply system and method

#13
20140261809
2014-09-18

Multi channel valve

#14
20140102985
2014-04-17

Reverse osmosis water-on-water control valve

#15
20130122439
2013-05-16

Fuel selection valve assemblies

#16
20130037736
2013-02-14

Shuttle valve

#17
20130032222
2013-02-07

Stackable shuttle valve

#18
20130025396
2013-01-31

Hydraulic system for actuating at least one shifting element of a transmission

#19
20120138825
2012-06-07

Flow actuated valve

#20
20120103728
2012-05-03

Lubrication system with tolerance for reduced gravity

#21
20110232780
2011-09-29

Regulated automatic changeover valve

#22
20110232772
2011-09-29

Method for supplying gas

#23
20110220227
2011-09-15

Auxiliary tank and mains water supply system

#24
20110114197
2011-05-19

Low pressure measurement devices in high pressure environments

#25
20110108141
2011-05-12

Check ball valve assembly with check ball guide

#26
20110094601
2011-04-28

Bypass/flushing valve for closed hydraulic circuit

#27
20110088794
2011-04-21

Automatic switching valve with alarm

#28
20110068285
2011-03-24

Automatic increased-suction relief apparatus

#29
20100313970
2010-12-16

Latching pressure regulator

#30
20100243065
2010-09-30

Valve assemblies and related systems and methods

#31
20100200087
2010-08-12

Self-sealing check valve

#32
20100199679
2010-08-12

Gas turbine engine valve

#33
20100193039
2010-08-05

Fluid Flow Control Systems

#34
20100154896
2010-06-24

Shuttle valve

#35
20100147403
2010-06-17

Pressure feedback shuttle valve

#36
20100032036
2010-02-11

Valve with an AND-function

#37
20100019178
2010-01-28

Low pressure measurement devices in high pressure environments

#38
20090293492
2009-12-03

Combustion apparatus having a fuel controlled valve that temporarily flows purging air

#39
20090250128
2009-10-08

Proportional selector valve for selecting between two pressure sources

#40
20090229692
2009-09-17

Multiple phase transfer valve for liquid hydrogen tank

#41
20090050216
2009-02-26

Valve systems for use with a fluid injector system

#42
20090032116
2009-02-05

Ball check valve assembly for hydraulic control circuit

#43
20090001300
2009-01-01

Directional control valve device and fluid pressure cylinder device

#44
20080223465
2008-09-18

Fuel selection valve assemblies

#45
20080136250
2008-06-12

Pressure balanced supply valve for vehicle brake system with integrated low pressure accumulator

#46
20080116010
2008-05-22

Lubrication system with tolerance for reduced gravity

#47
20080041472
2008-02-21

Tandem pump valve structure

#48
20080041452
2008-02-21

Check valve assemblies and related methods

#49
20070272311
2007-11-29

Valve systems and injector system including such valve systems

#50
20070113891
2007-05-24

Safety shut-off device

#51
20070102042
2007-05-10

Chatter resistant shuttle valve

#52
20070089787
2007-04-26

Momentary high pressure valve

#53
20060266414
2006-11-30

Changeover valve

#54
20060246177
2006-11-02

Gas supply apparatus

#55
20060180202
2006-08-17

Low pressure measurement devices in high pressure environments

#56
20060157108
2006-07-20

Control valve for nitrous oxide injection system

#57
20060157106
2006-07-20

Nitrous oxide and fuel control valve for nitrous oxide injection system

#58
20060151029
2006-07-13

Automatic changeover regulator

#59
20060111208
2006-05-25

Double piston and belt type continuously variable transmission

#60
20060090964
2006-05-04

Pressure lubrication for inverted flight

#61
20060070655
2006-04-06

Valve

#62
20060065249
2006-03-30

Fuel pump cutoff shuttle valve

#63
20060021651
2006-02-02

Liquid delivery device

#64
20060016477
2006-01-26

Vacuum enhancing check valve

#65
20050263194
2005-12-01

Diverter valve with multiple valve seat rings

#66
20050211295
2005-09-29

Control valve apparatus

#67
20050178545
2005-08-18

Method for controlling oil and gas well production from multiple wells

#68
20050076950
2005-04-14

Safety shut-off device

#69
20050061367
2005-03-24

Modular fluid supply system

#70
20050028864
2005-02-10

Chatter resistant shuttle valve

#71
15496945
2019-02-05

Loop flushing valve

#72
14713445
2017-05-02

Loop flushing valve

#73
14197892
2016-08-09

Valve