ClassID:

249135

Y10T137/7768 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Pilot or servo controlled; Fluid pressure type; Choked or throttled pressure type Pilot controls supply to pressure chamber

Recent Application in this class:
#1
20220381360
2022-12-01

Pilot-operated relief valve assembly

#2
20210341066
2021-11-04

FLUID CONTROL VALVE SYSTEM AND METHODS

#3
20210262575
2021-08-26

Flow control switch valve

#4
20200003312
2020-01-02

Flow control switch valve

#5
20190309865
2019-10-10

Positive pressure relief valve

#6
20190234248
2019-08-01

Cylinder head arrangement for variable valve actuation rocker arm assemblies

#7
20190162318
2019-05-30

Fluid control valve system and methods

#8
20180314273
2018-11-01

Electronically controlled regulator

#9
20180275694
2018-09-27

System for adjusting the pressure of a gas

#10
20170198819
2017-07-13

Fluid control valve system and methods

#11
20160362878
2016-12-15

Device for preventing backflow

#12
20160138438
2016-05-19

Cylinder head arrangement for variable valve actuation rocker arm assemblies

#13
20150337524
2015-11-26

System, method, and apparatus for monitoring wear in a flush valve using pressure detection

#14
20150315975
2015-11-05

Integral filter and regulator for valve

#15
20150247586
2015-09-03

Pilot valve structures and mass flow controllers

#16
20150226236
2015-08-13

Hydraulic control apparatus

#17
20150129054
2015-05-14

Hydraulic control valve assembly and control system for water supply networks

#18
20150114492
2015-04-30

Automatic flow control system and apparatus

#19
20150114491
2015-04-30

Automatic flow control system and apparatus

#20
20150013432
2015-01-15

Method of monitoring wear in a diaphragm valve using pressure detection

#21
20140326337
2014-11-06

Integrated valve assembly

#22
20140190704
2014-07-10

Bi-directional pressure equalization valve

#23
20140182055
2014-07-03

Method of monitoring wear in a diaphragm valve using pressure detection

#24
20140090725
2014-04-03

Pilot operated relief valve with dual pilot regulators

#25
20140077108
2014-03-20

Fluid control valve system and methods

#26
20140053922
2014-02-27

Piston-type flushometer valve

#27
20140034135
2014-02-06

Hydraulic system with a dynamic seal

#28
20140034133
2014-02-06

Dynamic seal wear mitigation system

#29
20130284954
2013-10-31

HIGH TEMPERATURE SERVO VALVE ACTUATOR

#30
20130153044
2013-06-20

Apparatus for flow regulation

#31
20130105007
2013-05-02

Flow control valve

#32
20130032225
2013-02-07

PRESSURE CONTROL VALVE

#33
20130019965
2013-01-24

Flow control valve and method of use

#34
20120205568
2012-08-16

Diaphragm valve with electronic pressure detection

#35
20120204974
2012-08-16

Flow controller

#36
20120006418
2012-01-12

System and method for hydraulically managing fluid pressure downstream from a main valve

#37
20110023982
2011-02-03

Fuel system

#38
20100326533
2010-12-30

Flow control valve and method of use

#39
20100294970
2010-11-25

Pressure management control valve assembly

#40
20100222930
2010-09-02

Diaphragm valve controlled through electronic pressure detection and method

#41
20100218833
2010-09-02

Method of monitoring wear in a diaphragm valve using pressure detection

#42
20100218829
2010-09-02

Diaphragm valve with electronic pressure detection

#43
20100083667
2010-04-08

Bi-modal bleed valve assembly for gas turbine engine

#44
20100071786
2010-03-25

Pressure loaded service regulator with pressure balanced trim

#45
20100071776
2010-03-25

Fluid control valve system and methods

#46
20100018585
2010-01-28

Device for controlling the delivery of a combustible gas to a burner apparatus

#47
20100018482
2010-01-28

Valvetrain oil control system and oil control valve

#48
20100006159
2010-01-14

Pressure relief valves

#49
20090229682
2009-09-17

Regulator valve with locking system

#50
20090145513
2009-06-11

Gas supply system for pneumatic store ejection utilizing a removable, replaceable and on-board rechargeable gas storage vessel

#51
20090126798
2009-05-21

Autonomous Shut-Off Valve System

#52
20090120508
2009-05-14

Air release valve

#53
20090000672
2009-01-01

Redundant electrohydraulic valve system

#54
20080251130
2008-10-16

SYSTEM AND METHOD FOR HYDRAULICALLY MANAGING FLUID PRESSURE DOWNSTREAM FROM A MAIN VALVE

#55
20080183340
2008-07-31

Pressure control device for low pressure processing chamber

#56
20080053538
2008-03-06

Hydraulic circuit of option device for excavator

#57
20060076061
2006-04-13

Diaphragm valve with electronic pressure detection

#58
20050211302
2005-09-29

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

#59
20050133007
2005-06-23

Pressure control valve for a fuel system

#60
20050087231
2005-04-28

Non-electronic, automatically controlled valving system utilizing expanding/contracting material

#61
20050022873
2005-02-03

Self-operated protection device for pipeline

#62
15714276
2019-10-08

Pressure regulating valve with incorporated shut-off mechanism and fluid bypass