Patents-Review.com
ClassID:

249137 ⎘

Y10T137/777 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Pilot or servo controlled; Fluid pressure type; Single acting fluid servo Spring biased

Recent Application in this class:
#1
20250020223
2025-01-16

DIAPHRAGM VALVE FORMED USING ADDITIVE MANUFACTURE

 #2
20240384807
2024-11-21

OSCILLATING VALVE

 #3
20220282794
2022-09-08

Diaphragm valve formed using additive manufacture

 #4
20220205548
2022-06-30

Oscillating valve

 #5
20210116045
2021-04-22

GAS LINE CONTROL SYSTEM WITH ANODIZED SURFACES

 #6
20200088217
2020-03-19

Electrohydraulic normally-open ventable valve configured to operate in pressure relief mode when actuated

 #7
20200088216
2020-03-19

Electrohydraulic valve normally operating in fluid flow-blocking mode and configured to operate in pressure relief mode when actuated

 #8
20200088215
2020-03-19

Electrohydraulic valve normally operating in pressure relief mode and configured to block fluid flow when actuated

 #9
20190211940
2019-07-11

Gas line control system and modular variable pressure controller

 #10
20180314273
2018-11-01

Electronically controlled regulator

 #11
20180222376
2018-08-09

Pneumatic inflator for automatically inflating inflatable articles to a desired pressure

 #12
20170248250
2017-08-31

Regulating device

 #13
20170130904
2017-05-11

Pipeline-waste-gas reducer apparatus

 #14
20170130903
2017-05-11

Pipeline-waste-gas reduction method

 #15
20170060144
2017-03-02

Safety valve control system and method of use

 #16
20160334027
2016-11-17

Gas line control system and modular variable pressure controller

 #17
20150377377
2015-12-31

Three-way solenoid valve

 #18
20150375670
2015-12-31

Pneumatic inflator for automatically inflating inflatable articles to a desired pressure

 #19
20150315975
2015-11-05

Integral filter and regulator for valve

 #20
20150285393
2015-10-08

Pressure reducing valve

 #21
20150285392
2015-10-08

Vent valve and method of use

 #22
20150211650
2015-07-30

Flow control/shut-off valve assembly

 #23
20150159771
2015-06-11

Valve for fuel circuit of an aircraft engine

 #24
20150114479
2015-04-30

Regulating device

 #25
20150107699
2015-04-23

Valve for valve assembly

 #26
20150068620
2015-03-12

Pressure regulating valve assembly

 #27
20150027562
2015-01-29

Tamper-resistant valve and connection arrangement

 #28
20140203107
2014-07-24

Throughflow controller

 #29
20140174562
2014-06-26

Control pilot valve apparatus

 #30
20140150874
2014-06-05

Gas line control system and modular variable pressure controller

 #31
20130233409
2013-09-12

Dynamically adjusting counterbalance valve

 #32
20130199630
2013-08-08

Gas turbine engine fuel return valve and system

 #33
20130186480
2013-07-25

Control valve for air cushion bed

 #34
20130048106
2013-02-28

Oil control valve for the variable valve lift system

 #35
20130000754
2013-01-03

Actuator for a gas valve

 #36
20120241024
2012-09-27

Composite valve

 #37
20120234396
2012-09-20

PRESSURE REGULATOR WITH IMPROVED DEADBAND

 #38
20120227983
2012-09-13

Safety valve control system and method of use

 #39
20120227842
2012-09-13

Fuel system

 #40
20120204974
2012-08-16

Flow controller

 #41
20120180879
2012-07-19

SOLENOID VALVE

 #42
20120160344
2012-06-28

Vacuum control valve and vacuum control system

 #43
20120160332
2012-06-28

Pilot valve, method of using, and fluid system equipped therewith

 #44
20120012199
2012-01-19

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

 #45
20120006417
2012-01-12

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

 #46
20120006413
2012-01-12

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

 #47
20110303301
2011-12-15

Pressure management hydraulic control valve

 #48
20110272044
2011-11-10

Multi-mode pressure relief valve

 #49
20110174380
2011-07-21

Vacuum control system and vacuum control method

 #50
20110146813
2011-06-23

Tamper-resistant valve and connection arrangement

 #51
20110088801
2011-04-21

Automatic fluid spill prevention and shut off safety valve

 #52
20110061749
2011-03-17

Control valve

 #53
20110023982
2011-02-03

Fuel system

 #54
20100294970
2010-11-25

Pressure management control valve assembly

 #55
20100243084
2010-09-30

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

 #56
20100206401
2010-08-19

Multi-stage fluid regulators

 #57
20100051116
2010-03-04

Piloted fuel tank vapor isolation valve

 #58
20090314364
2009-12-24

Pressure relief valves and pneumatic control systems

 #59
20090314362
2009-12-24

Switching valve with slider

 #60
20090314359
2009-12-24

Pilot-controlled pressure limiting valve

 #61
20090308461
2009-12-17

Pilot valve, method of using, and fluid system equipped therewith

 #62
20090301578
2009-12-10

Valve in particular a proportional pressure relief valve

 #63
20090277517
2009-11-12

Passive overpressure and underpressure protection for a cryogen vessel

 #64
20090261279
2009-10-22

Valve actuator and throttle valve assembly employing the same

 #65
20090229682
2009-09-17

Regulator valve with locking system

 #66
20090212244
2009-08-27

Pilot operated valve with fast closing poppet

 #67
20090211650
2009-08-27

Pressure control valve

 #68
20090162707
2009-06-25

PRESSURE CONTROL VALVE, METHOD OF PRODUCING PRESSURE CONTROL VALVE, FUEL CELL SYSTEM WITH PRESSURE CONTROL VALVE, AND METHOD OF CONTROLLING PRESSURE

 #69
20090092936
2009-04-09

Pressure regulator with bleed orifice

 #70
20090020170
2009-01-22

Air pressure regulator with flow sensor

 #71
20080292472
2008-11-27

Method for controlling the discharge pressure of an engine-driven pump

 #72
20080251146
2008-10-16

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

 #73
20080196773
2008-08-21

Ventline control valve assembly

 #74
20080185051
2008-08-07

Dunnage airbag inflation circuit

 #75
20080115841
2008-05-22

Flow regulator

 #76
20080069708
2008-03-20

AIR COMPRESSOR UTILIZING A VARIABLE SPEED MOTOR AND AN ELECTRONIC CONTROL SYSTEM

 #77
20080069703
2008-03-20

Air compressor having a pneumatic controller for controlling output air pressure

 #78
20060266419
2006-11-30

Feed pressure valve

 #79
20060213562
2006-09-28

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

 #80
20060201554
2006-09-14

Soft ventable relief valve

 #81
20060191574
2006-08-31

Hydraulic control system for automatic transmission

 #82
20060076527
2006-04-13

Diaphragm valve with mechanical pressure relief

 #83
20060045749
2006-03-02

Air compressor utilizing an electronic control system

 #84
20050276685
2005-12-15

Pneumatic valve control using downstream pressure feedback and an air turbine starter incorporating the same

 #85
20050265823
2005-12-01

Pneumatic valve control having improved opening characteristics and an air turbine starter incorporating the same

 #86
20050183775
2005-08-25

Pilot operated relief valve

 #87
20050178444
2005-08-18

Relief valve

 #88
16254001
2020-09-15

Inverse proportional pressure relief valve

 #89
16253985
2020-06-16

Two-port electrohydraulic counterbalance valve

 #90
16133980
2020-02-11

Electrohydraulic valve normally operating in pressure relief mode and configured to operate in ventable mode when actuated

 #91
16133972
2020-01-14

Electrohydraulic normally-open ventable valve configured to operate in pressure relief mode when actuated

 #92
15726679
2019-10-08

Electrohydraulic counterbalance and pressure relief valve