Y10T137/86582 - CPC Classification Index

ClassID:

249397 ⎘

Y10T137/86582 - CPC Classification

Classification description:

Fluid handling; Systems; Multi-way valve unit; Supply and exhaust Pilot-actuated

Sub-classes:

Y10T137/8659 » Variable orifice-type modulator 23
Y10T137/86606 » Common to plural valve motor chambers 27
Y10T137/86614 » Electric 201

Recent Application in this class:

20220260162

2022-08-18

Valve assembly for well systems

20200158255

2020-05-21

Pilot actuated control pilot for operating valve

20190322258

2019-10-24

Slow response solenoid hydraulic valve, and associated systems and methods

20190264829

2019-08-29

Slow-shift SPM valve

20190264822

2019-08-29

Valve assembly for well systems

20180299173

2018-10-18

Reversing valve and cooling system having same

20170292541

2017-10-12

Dual 4-port electromagnetic valve

20170211710

2017-07-27

Non-interflow directional control valve

20170198727

2017-07-13

Oil exchange in hydraulically operated and electro-hydraulically operated hydraulic valves

#10

20170082211

2017-03-23

Valve assembly

#11

20160153578

2016-06-02

Slow-shift SPM valve

#12

20160102778

2016-04-14

Hydraulic actuator lockout

#13

20150337980

2015-11-26

Fluid pressure control device

#14

20150330527

2015-11-19

Directional control valve with spool delay mechanism

#15

20150090813

2015-04-02

Pilot valve switch mechanism and a shower system applied with the pilot valve switch mechanism

#16

20150090812

2015-04-02

Pilot valve switch mechanism and a combined shower applied with the pilot valve switch mechanism

#17

20150090811

2015-04-02

Combined pilot valve mechanism and a shower system applied with the combined pilot valve mechanism

#18

20150090354

2015-04-02

Pilot-operated spool valve

#19

20150020905

2015-01-22

Valve assembly having dual functionality for directional control of a piston on a fluid actuated device

#20

20150013805

2015-01-15

Change-over valve

#21

20140345699

2014-11-27

Vent valve

#22

20130255809

2013-10-03

Valve, in particular pilot-operated proportional pressure control valve

#23

20130199630

2013-08-08

Gas turbine engine fuel return valve and system

#24

20130112447

2013-05-09

Portable driving device

#25

20130025720

2013-01-31

Hydraulic control valve for construction machinery

#26

20120285568

2012-11-15

Valve device

#27

20120255638

2012-10-11

HYDRAULIC CONTROL VALVE HAVING A PILOT PISTON ARRANGED INSIDE THE HOLLOW SPOOL

#28

20120234416

2012-09-20

Pilot regulator

#29

20120216895

2012-08-30

FLUID FLOW CONTROL DEVICE

#30

20120216882

2012-08-30

Pilot-operated quick exhaust valve

#31

20120199765

2012-08-09

Valve assembly

#32

20120145252

2012-06-14

Micromachined Device and Control Method

#33

20120060941

2012-03-15

Pneumatically detented pilot valve

#34

20110315234

2011-12-29

Fluid control system for steerable agricultural implement

#35

20100313970

2010-12-16

Latching pressure regulator

#36

20100252132

2010-10-07

Piloted poppet valve

#37

20100243068

2010-09-30

Servo pressure control valve

#38

20100206413

2010-08-19

Hydraulic valve device

#39

20100059129

2010-03-11

Fluid flow control apparatus

#40

20100019177

2010-01-28

Microvalve device

#41

20090321099

2009-12-31

Percussion device, drilling machine including such a percussion device and method for controlling such a percussion device

#42

20090283160

2009-11-19

FLUID FLOW CONTROL DEVICE AND CONTROL CIRCUIT

#43

20090140192

2009-06-04

Pressure control valve

#44

20090107568

2009-04-30

Apparatus operating hydraulic actuator for valve

#45

20090020178

2009-01-22

Valve part of a hydraulic control valve

#46

20090014076

2009-01-15

BLEED VALVE APPARATUS

#47

20080190488

2008-08-14

Fluid activated flow control system

#48

20080185476

2008-08-07

Dual motor dual concentric valve

#49

20080149181

2008-06-26

Rotary-actuated electro-hydraulic valve

#50

20080142100

2008-06-19

Stepper motor driven proportional fuel metering valve

#51

20080105307

2008-05-08

Fluid pressure actuated poppet valve

#52

20080078285

2008-04-03

Pressure control device for heavy equipment

#53

20080072978

2008-03-27

Spool valve

#54

20080072977

2008-03-27

PILOT-OPERATED VALVES AND MANIFOLD ASSEMBLIES

#55

20080066814

2008-03-20

Two-stage servo-valve

#56

20070170387

2007-07-26

Pressure control valve

#57

20060118183

2006-06-08

Control valve arrangements

#58

20060005697

2006-01-12

Fluid power unit having closed circuit

#59

20050067597

2005-03-31

Pressure control valve

#60

20050039803

2005-02-24

Method and device for flow switchover