ClassID:

249138

Y10T137/7771 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves Bi-directional flow valves

Sub-classes:
Recent Application in this class:
#1
20210039795
2021-02-11

Device for equalizing a pressure difference for an aircraft

#2
20200208782
2020-07-02

Check valve and assembly for fluid storage container

#3
20190170270
2019-06-06

Valve for opening and closing a line system

#4
20190024730
2019-01-24

Clutch regulator for vehicle

#5
20180185615
2018-07-05

Valved Catheters Including High Flow Rate Catheters

#6
20160369907
2016-12-22

Pilot valve controlled positive and negative pressure relief valves

#7
20160178069
2016-06-23

Valve connected to a feed circuit, a feed circuit comprising such a valve and a feeding method operating such a feed circuit

#8
20160133961
2016-05-12

Fuel supply unit

#9
20150361935
2015-12-17

Valve device and high-pressure pump using the same

#10
20150260297
2015-09-17

Valve, in particular pilot-operated proportional directional poppet valve

#11
20150176585
2015-06-25

Pressure control valve and scroll compressor

#12
20150167857
2015-06-18

Pressure vacuum relief valve

#13
20150165846
2015-06-18

Valve assemblies and methods of inflating or deflating a tyre

#14
20140182724
2014-07-03

Shut-off trim including spring loaded check valve

#15
20140182723
2014-07-03

Shut-off trim including spring loaded check valve

#16
20140174576
2014-06-26

Shut-off trim including spring loaded check valve

#17
20130263930
2013-10-10

Pilot valve controlled positive and negative pressure relief valves

#18
20120186659
2012-07-26

Fluid control valve systems, fluid systems equipped therewith, and methods of using

#19
20120182365
2012-07-19

Ink cartridge for an ink jet printer

#20
20120180794
2012-07-19

Respiratory mask assembly

#21
20120160219
2012-06-28

Device for ventilating and aerating a fuel tank

#22
20120138180
2012-06-07

Valve

#23
20120138170
2012-06-07

Shut-off trim including spring loaded check valve

#24
20120130319
2012-05-24

Valved catheters including high flow rate catheters

#25
20120122005
2012-05-17

Valve for fuel cell, and fuel cell vehicle

#26
20110232319
2011-09-29

Air conditioning system with variable condenser reheat and refrigerant flow sequencer

#27
20110226976
2011-09-22

Valve for control of high pressure air pressure air pulse

#28
20110094605
2011-04-28

Vacuum relief valve

#29
20110073191
2011-03-31

Hydraulic circuit and manifold with multifunction valve

#30
20100269829
2010-10-28

Slot valve for use in the pneumatic switching circuit of a respirator

#31
20100218963
2010-09-02

Explosion protection valve

#32
20100139625
2010-06-10

Vehicle fuel system and components thereof

#33
20100108159
2010-05-06

SEWER OVERFLOW RELIEF DEVICE

#34
20100092821
2010-04-15

Valve for fuel cell, and fuel cell vehicle

#35
20090286649
2009-11-19

Two valve breather system for rear differential

#36
20090260798
2009-10-22

Active mud valve system

#37
20090229691
2009-09-17

Mount structure of two-way valve for fuel tank of small boat

#38
20090188505
2009-07-30

Respiratory mask assembly

#39
20090167018
2009-07-02

Coupling assembly with a core unit therein

#40
20090151700
2009-06-18

Backpressure valve and fuel system having the same

#41
20090148332
2009-06-11

Compressor unloading valve

#42
20090095563
2009-04-16

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

#43
20090090418
2009-04-09

CHECK VALVE WITH FLUID HAMMER RELIEF AND MONITORING FEATURES

#44
20080295893
2008-12-04

Valve for limiting the tank pressure in a motor vehicle

#45
20080277010
2008-11-13

Flow Regulator

#46
20080251139
2008-10-16

Fuel tank having functions of adjusting press produced by fuel volatilizing and preventing fuel overflowing

#47
20080251138
2008-10-16

Fuel Volatilizing Control System of Fuel Tank

#48
20080251135
2008-10-16

Valve for control of high pressure air pressure air pulse

#49
20080251052
2008-10-16

Fuel conveying device

#50
20080223457
2008-09-18

Bi-directional valve

#51
20080223456
2008-09-18

Hydraulic valve arrangement

#52
20080159927
2008-07-03

System and method for performing a chemical experiment

#53
20080141698
2008-06-19

Air conditioning system with variable condenser reheat and refrigerant flow sequencer

#54
20080135109
2008-06-12

SAFETY VALVE

#55
20080115848
2008-05-22

Valve, especially proportional pressure control valve

#56
20080078457
2008-04-03

Overpressure valve for an aircraft

#57
20080053212
2008-03-06

Flow control valve and method

#58
20080041461
2008-02-21

Fluid distributor and translatable drive apparatus for a molding

#59
20080041460
2008-02-21

Fluid distributor and bidirectional drive apparatus for a molding machine

#60
20080017254
2008-01-24

Variable flow valve

#61
20070289639
2007-12-20

Travel motion control apparatus for hydraulically driven vehicle, hydraulically driven vehicle and wheel hydraulic excavator

#62
20070276313
2007-11-29

Valved catheters including high flow rate catheters

#63
20070267068
2007-11-22

Shock valve for hydraulic device

#64
20070256671
2007-11-08

Natural vacuum leak detection device with magnetic damping

#65
20070175521
2007-08-02

Metering orifice arrangement for a hydraulic current divider and current adding device

#66
20070169822
2007-07-26

Double-acting valve unit

#67
20070113891
2007-05-24

Safety shut-off device

#68
20060213562
2006-09-28

Cross-over relief valve assembly for use in bi-directional circuit

#69
20060107960
2006-05-25

Respiratory mask assembly

#70
20060099093
2006-05-11

Flow control valve and method

#71
20060076017
2006-04-13

Mask with anti-asphyxia valve

#72
20050284520
2005-12-29

Common damper hub for valve bodies

#73
20050229978
2005-10-20

Check valve with pressure relief feature

#74
20050211303
2005-09-29

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

#75
20050161090
2005-07-28

Travel control device of hydraulically driven vehicle, hydraulically driven vehicle, and wheel hydraulic shovel

#76
20050145558
2005-07-07

Filter device having a bi-directional valve

#77
20050121081
2005-06-09

Valve for use with chest drainage system

#78
20050076950
2005-04-14

Safety shut-off device

#79
20050049555
2005-03-03

Valved catheters including high flow rate catheters