ClassID:

249267

Y10T137/7905 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Direct response valves [i.e., check valve type]; Reciprocating valves Plural biasing means

Recent Application in this class:
#1
20230077254
2023-03-09

Preventing an over pressure condition with a mechanical shutdown valve

#2
20190011938
2019-01-10

Actuating drive device process valves

#3
20170130640
2017-05-11

Fluid control apparatus

#4
20160053906
2016-02-25

Remotely-actuated dual-pressure relief valve

#5
20150316263
2015-11-05

Propellant flow actuated piezoelectric igniter for combustion engines

#6
20140360599
2014-12-11

Fluid regulator

#7
20130248021
2013-09-26

Actuator for an adjustable damper-valve device

#8
20130240061
2013-09-19

Pressure relief valve

#9
20130236354
2013-09-12

Constricting pressure valve apparatus and methods thereof

#10
20130160875
2013-06-27

Plug valve with bowing rigid arms

#11
20120216885
2012-08-30

Spring mounting cradle and valve guide for overpressure relief valve assembly

#12
20120181471
2012-07-19

Flow valve

#13
20120103441
2012-05-03

Pressure control valve

#14
20120094241
2012-04-19

Propellant flow actuated piezoelectric igniter for combustion engines

#15
20120012103
2012-01-19

HEATING SYSTEM

#16
20120012099
2012-01-19

Dual fuel heating system with pressure sensitive nozzle

#17
20120012097
2012-01-19

Heating system

#18
20120006091
2012-01-12

Heating system

#19
20110272044
2011-11-10

Multi-mode pressure relief valve

#20
20110206548
2011-08-25

Compressor including valve assembly

#21
20110175009
2011-07-21

FLUID REGULATOR

#22
20110174397
2011-07-21

Pressure control valve

#23
20100283338
2010-11-11

Oil filter bypass valve assembly for a generator

#24
20100276014
2010-11-04

Multiple preset indexing pressure relief valve

#25
20100243940
2010-09-30

Relief valve

#26
20100243084
2010-09-30

Multifunction relief valve and airplane emergency hydraulic power source unit having the same

#27
20100006159
2010-01-14

Pressure relief valves

#28
20090242045
2009-10-01

Fluid balancing relief valve with grooved process surface

#29
20090193908
2009-08-06

Fluid flow controller

#30
20090032121
2009-02-05

Check Valve

#31
20080308581
2008-12-18

Pressure control device for maintaining a constant predetermined pressure in a container

#32
20080223459
2008-09-18

Springless compressor valve

#33
20080116403
2008-05-22

Two stage spool centering mechanism

#34
20080107554
2008-05-08

Pump control using overpressure source

#35
20080042373
2008-02-21

Sealing arrangement with a segmented seal and pressure relief

#36
20080041451
2008-02-21

Underwater exhaust system and method

#37
20080029090
2008-02-07

Underwater exhaust system and method

#38
20080017257
2008-01-24

Safety relief valve having a low blow-down value and spring therefore

#39
20080017256
2008-01-24

Magnetic check valve

#40
20070056636
2007-03-15

Spring actuated check valve

#41
20060260694
2006-11-23

Decompression valve

#42
20060180208
2006-08-17

Springless compressor valve

#43
20060150619
2006-07-13

Exhaust passage control valve

#44
20060090796
2006-05-04

Safety relief valve having a low blow-down value and spring therefore

#45
20060042697
2006-03-02

Passive, double acting, vacuum actuated vent valve

#46
20060042696
2006-03-02

Surge relief valve

#47
20050235990
2005-10-27

Underwater exhaust system

#48
20050235989
2005-10-27

Underwater exhaust system

#49
20050217729
2005-10-06

Excess flow valve

#50
20050211308
2005-09-29

Pressure limiting valve in a hydraulic machine having a pressure limiting valve

#51
20050199291
2005-09-15

Radial poppet-type check valve with closure assist feature

#52
20050133094
2005-06-23

Enclosure system for pressure relief device

#53
20050126637
2005-06-16

Valve operated by differential pressure

#54
20050022875
2005-02-03

Pressure regulating valve for common rail fuel injection systems

#55
16588501
2021-10-26

Apparatus, systems and methods for managing fluids comprising a two-stage poppet valve