Y10T137/7764 - CPC Classification Index

ClassID:

249131 ⎘

Y10T137/7764 - CPC Classification

Classification description:

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

Sub-classes:

Y10T137/7765 » Pilot valve within main valve head 22
Y10T137/7766 » Choked passage through main valve head 37
Y10T137/7767 » Loose fitting piston 2
Y10T137/7768 » Pilot controls supply to pressure chamber 61

Recent Application in this class:

20250020223

2025-01-16

DIAPHRAGM VALVE FORMED USING ADDITIVE MANUFACTURE

20240384807

2024-11-21

OSCILLATING VALVE

20220282794

2022-09-08

Diaphragm valve formed using additive manufacture

20220205548

2022-06-30

Oscillating valve

20210170299

2021-06-10

Pressurized vapor cycle liquid distillation

20190381420

2019-12-19

Pressurized vapor cycle liquid distillation

20190170270

2019-06-06

Valve for opening and closing a line system

20180299911

2018-10-18

Low Pressure Pilot Operated Relief Valve

20170052549

2017-02-23

Low pressure pilot operated relief valve

#10

20160369907

2016-12-22

Pilot valve controlled positive and negative pressure relief valves

#11

20160187892

2016-06-30

Multi-stage back pressure regulators and associated devices, systems, and methods

#12

20160067629

2016-03-10

Pressurized vapor cycle liquid distillation

#13

20150354173

2015-12-10

Pressure compensation valve

#14

20150337524

2015-11-26

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

#15

20150285392

2015-10-08

Vent valve and method of use

#16

20150211655

2015-07-30

Valve arrangement

#17

20150205307

2015-07-23

Low pressure pilot operated relief valve

#18

20150198257

2015-07-16

Variable suction device for an A/C compressor to improve nvh by varying the suction inlet flow area

#19

20150114492

2015-04-30

Automatic flow control system and apparatus

#20

20150114491

2015-04-30

Automatic flow control system and apparatus

#21

20150013432

2015-01-15

Method of monitoring wear in a diaphragm valve using pressure detection

#22

20140361202

2014-12-11

Fault tolerant airflow control system

#23

20140345701

2014-11-27

Electrohydraulic pilot control with two pressure control valves

#24

20140216245

2014-08-07

High gain servo valve

#25

20140190816

2014-07-10

Pressurized vapor cycle liquid distillation

#26

20140182055

2014-07-03

Method of monitoring wear in a diaphragm valve using pressure detection

#27

20140174562

2014-06-26

Control pilot valve apparatus

#28

20140099223

2014-04-10

Cold start valve and hydraulic arrangement having a cold start valve of this type

#29

20140007953

2014-01-09

Multi-stage back pressure regulators and associated devices, systems, and methods

#30

20130292241

2013-11-07

Pressurized vapor cycle liquid distillation

#31

20130263930

2013-10-10

Pilot valve controlled positive and negative pressure relief valves

#32

20130255791

2013-10-03

Fluid regulator having improved flow stability

#33

20130206254

2013-08-15

Flow control device

#34

20130019965

2013-01-24

Flow control valve and method of use

#35

20120285547

2012-11-15

Pressure reducer

#36

20120285546

2012-11-15

Tapered throttling valve

#37

20120205568

2012-08-16

Diaphragm valve with electronic pressure detection

#38

20120192569

2012-08-02

Pitot tube with increased particle separation for a compressor bleed system of a gas turbine engine

#39

20120111425

2012-05-10

Internal relief valve apparatus for use with fluid regulators

#40

20120012199

2012-01-19

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

#41

20120006427

2012-01-12

Hydraulic Valve Device

#42

20120006418

2012-01-12

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

#43

20120006417

2012-01-12

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

#44

20120006413

2012-01-12

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

#45

20110303301

2011-12-15

Pressure management hydraulic control valve

#46

20100326533

2010-12-30

Flow control valve and method of use

#47

20100222930

2010-09-02

Diaphragm valve controlled through electronic pressure detection and method

#48

20100218833

2010-09-02

Method of monitoring wear in a diaphragm valve using pressure detection

#49

20100218829

2010-09-02

Diaphragm valve with electronic pressure detection

#50

20100155633

2010-06-24

Poppet valve operated by an electrohydraulic poppet pilot valve

#51

20100071787

2010-03-25

SYSTEM, INCLUDING A VARIABLE ORIFICE ASSEMBLY, FOR HYDRAULICALLY MANAGING PRESSURE IN A FLUID DISTRIBUTION SYSTEM BETWEEN PRESSURE SET POINTS

#52

20100009303

2010-01-14

Stepper motor valve and method of control

#53

20100006454

2010-01-14

Gas absorption reservoir with optimized cooling

#54

20090314364

2009-12-24

Pressure relief valves and pneumatic control systems

#55

20090301579

2009-12-10

VACUUM PRESSURE SYSTEMS WITH VACUUM CHAMBER FULL-RANGE, CLOSED-LOOP PRESSURE CONTROL

#56

20090223572

2009-09-10

Gas regulating and safety valve for burners of a modulatable gas heating device

#57

20090194174

2009-08-06

High-pressure valve

#58

20090145513

2009-06-11

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

#59

20090114396

2009-05-07

Wellsite measurement and control while producing device

#60

20090025801

2009-01-29

Hydraulic system for producing a pilot pressure to actuate a transmission component

#61

20090020382

2009-01-22

Piston with an integral electrically operated adjustment valve for a hydraulic vibration damper

#62

20080257423

2008-10-23

Secondary seat for gas regulator

#63

20080251146

2008-10-16

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

#64

20080251130

2008-10-16

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

#65

20080237514

2008-10-02

Flow Control Valve and Cylinder Apparatus Having the Same

#66

20080105610

2008-05-08

Pressurized vapor cycle liquid distillation

#67

20080105533

2008-05-08

Pressurized vapor cycle liquid distillation

#68

20080105530

2008-05-08

Pressurized vapor cycle liquid distillation

#69

20080105403

2008-05-08

Pressurized vapor cycle liquid distillation

#70

20070261739

2007-11-15

Pressure controller device

#71

20070228069

2007-10-04

Air pulser

#72

20070221276

2007-09-27

Modulating gas valves and systems

#73

20060163506

2006-07-27

Fluid control valve

#74

20060076061

2006-04-13

Diaphragm valve with electronic pressure detection

#75

20050211302

2005-09-29

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

#76

20050133007

2005-06-23

Pressure control valve for a fuel system

#77

20050072473

2005-04-07

Self-contained hydraulic ESD system

#78

20050058961

2005-03-17

Ratio controller with dynamic ratio formation

#79

20050045229

2005-03-03

Cartridge relief valve with improved stability

#80

20050016828

2005-01-27

Pressurized vapor cycle liquid distillation