ClassID:

249239

Y10T137/7876 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type] With external means for opposing bias

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

HYDRAULIC FLUID RELEASE VALVE ASSEMBLIES

#2
20250198519
2025-06-19

PNEUMATIC VALVE

#3
20240003456
2024-01-04

RELIEF VALVE ASSEMBLY

#4
20230039845
2023-02-09

Automatic deflator valves with vortex-like air flow with improved tire valve stem connection

#5
20200332909
2020-10-22

Safety valve

#6
20200011450
2020-01-09

Aviation valve with status indicator

#7
20190063615
2019-02-28

Enhancement of valve flow and pressure characteristics in valves and hydraulic systems

#8
20160222863
2016-08-04

Passive exhaust valve assembly and forming method

#9
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

#10
20150217438
2015-08-06

Multi-operational valve

#11
20140264105
2014-09-18

Method of draining an enclosure using a smart valve

#12
20140224356
2014-08-14

Port closure system for use with a probe/feed/drain tool

#13
20140208735
2014-07-31

Inflatable device with recessed fluid controller and self-sealing valve

#14
20140202556
2014-07-24

Valve for rapid inflation and deflation

#15
20130276899
2013-10-24

Compressed air supply installation and method for operating a pneumatic installation

#16
20130220430
2013-08-29

Valve with electromechanical device for actuating the valve

#17
20120211090
2012-08-23

Clean-in-place valve assembly and method of operation

#18
20120060787
2012-03-15

Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine

#19
20120055943
2012-03-08

Ventilation arrangement for a fuel tank

#20
20120055427
2012-03-08

Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine

#21
20110272609
2011-11-10

Releasing valve for an inflatable object

#22
20110204705
2011-08-25

Device for connecting a tire of an aircraft wheel to a pneumatic unit of the aircraft

#23
20110126922
2011-06-02

Device for producing and providing a vacuum, and ventilation valve

#24
20110083753
2011-04-14

Inflatable device with fluid controller and self-sealing valve

#25
20100326545
2010-12-30

Self-sealing pressure release apparatus and product treatment system incorporating the apparatus

#26
20100326531
2010-12-30

Combination flow control valve and reverse flow check valve

#27
20100312362
2010-12-09

Apparatus and Methods for Facilitating Prosthesis Donning, Doffing, Retention, and Fit

#28
20100158704
2010-06-24

Compliant-seal check valve

#29
20100108157
2010-05-06

Valve with electromechanical device for actuating the valve

#30
20100087931
2010-04-08

Apparatus and methods for facilitating prosthesis donning, doffing, retention, and fit

#31
20090215001
2009-08-27

Hot air blower

#32
20090194718
2009-08-06

Method and apparatus for a smart valve

#33
20090101261
2009-04-23

Device for connecting a tire of an aircraft wheel to a pneumatic unit of the aircraft

#34
20090014072
2009-01-15

Internal valve and methods of use for inflatable objects

#35
20080190404
2008-08-14

Internal combustion engine having exhaust gas recirculation

#36
20080047620
2008-02-28

Valve actuating device

#37
20080017255
2008-01-24

Spring and a Valve Incorporating Such a Spring

#38
20080011364
2008-01-17

Sprayer tank cap with incorporated pressure relief valve

#39
20070157971
2007-07-12

Releasable non-return valve

#40
20070068532
2007-03-29

Laryngeal mask vent clip and method of use

#41
20070051410
2007-03-08

Check valve with locking key and pull cord

#42
20060266426
2006-11-30

Ultrasonically controlled valve

#43
20060130902
2006-06-22

Pulsation causing valve for a plural piston pump

#44
20060048651
2006-03-09

Pressure release arrangements, in particular for product processing system

#45
20050166963
2005-08-04

Valve with electromechanical device for actuating the valve

#46
20050113757
2005-05-26

Seal positioning assembly