ClassID:

145995

F15B13/0402 - page 2 - CPC Classification

Classification description:

Details of servomotor systems ; Valves for servomotor systems; Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor; Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves

Recent Application in this class:
#301
20130019958
2013-01-24

Energy-saving valve

#302
20120324874
2012-12-27

Independent supply and exhaust metering within a valve casting

#303
20120291900
2012-11-22

Solenoid valve and oil pressure control device

#304
20120291873
2012-11-22

Hydraulic circuit

#305
20120255617
2012-10-11

Pilot-operated three-position switching valve

#306
20120217084
2012-08-30

Hydraulic steering control valve and reverse self-locking steering system

#307
20120174985
2012-07-12

LAMINATE SPOOL VALVE

#308
20120145252
2012-06-14

Micromachined Device and Control Method

#309
20120104293
2012-05-03

PRESSURE CONTROL VALVE, IN PARTICULAR FOR AN AUTOMATIC TRANSMISSION IN A MOTOR VEHICLE

#310
20120097022
2012-04-26

PUMP UNIT

#311
20120080633
2012-04-05

CONTROL VALVE

#312
20120056117
2012-03-08

Solenoid valve

#313
20120048400
2012-03-01

Pressure control valve having an axial supply port

#314
20120043486
2012-02-23

Double solenoid valve

#315
20120006427
2012-01-12

Hydraulic Valve Device

#316
20120000550
2012-01-05

Fluid flow control assembly

#317
20120000353
2012-01-05

Directional control valve, particularly for controlling an actuating cylinder of a turbo-machine

#318
20110309281
2011-12-22

Control valves for controlling pressure medium flows

#319
20110297856
2011-12-08

Proportional pressure control valve

#320
20110271669
2011-11-10

Hybrid construction machine

#321
20110260715
2011-10-27

Valve position sensor

#322
20110240895
2011-10-06

SOLENOID SPOOL VALVE

#323
20110240894
2011-10-06

SOLENOID SPOOL VALVE

#324
20110233447
2011-09-29

Valve case for oil control valve

#325
20110226364
2011-09-22

Control Spool for Spool Valves and Method for the Production Thereof

#326
20110192474
2011-08-11

Hydraulic control valve for construction machinery

#327
20110146815
2011-06-23

FLUID VALVE ARRANGEMENT

#328
20110126920
2011-06-02

Hydraulic valve device

#329
20110088789
2011-04-21

Hydraulic control valve

#330
20110088385
2011-04-21

Fluid pressure actuator unit

#331
20110088236
2011-04-21

Method of rebuilding solenoids for automatic transmissions

#332
20110057140
2011-03-10

Modular spool valve

#333
20110048223
2011-03-03

Control device for a hydraulic motor

#334
20110005625
2011-01-13

Solenoid valve assembly

#335
20110005623
2011-01-13

Hydraulic valve device

#336
20100326552
2010-12-30

Solenoid valve

#337
20100307621
2010-12-09

Hydraulic valve device

#338
20100300828
2010-12-02

Dual-Stage Regulator Valve Assembly

#339
20100286832
2010-11-11

Method for operating a mechanical system, particularly a proportioning valve

#340
20100277265
2010-11-04

Pressure balanced spool poppet valves with printed actuator coils

#341
20100269935
2010-10-28

Valve system

#342
20100264348
2010-10-21

Dynamic Bore Plug Assembly

#343
20100243941
2010-09-30

Sliding valve

#344
20100243085
2010-09-30

Hydraulic valve with a filter and check valve band

#345
20100200785
2010-08-12

Flow rate control valve and spool position detection device for the flow rate control valve

#346
20100193038
2010-08-05

Pneumatic actuator with a position control and position adjustment

#347
20100176324
2010-07-15

Load sensing directional control valve with an element having priority under saturation conditions

#348
20100139791
2010-06-10

Hydraulic controller

#349
20100096576
2010-04-22

VALVE BLEED SYSTEM

#350
20100084589
2010-04-08

SLIDE VALVE FOR HYDRAULIC CONTROL IN A MOTOR VEHICLE AUTOMATIC TRANSMISSION

#351
20100084031
2010-04-08

Pilot operated spool valve

#352
20100037603
2010-02-18

Hydralic two-circuit system and interconnecting valve system

#353
20100032595
2010-02-11

Exhaust venting for a fluid control device

#354
20090250646
2009-10-08

Fluid control valve

#355
20090242054
2009-10-01

Selectable detent assembly with neutral protection

#356
20090242050
2009-10-01

Hydraulic control apparatus

#357
20090199403
2009-08-13

Valve piston repositioning apparatus and method

#358
20090139395
2009-06-04

Hydraulic system with warm up circuit

#359
20090133767
2009-05-28

Dual redundant servovalve

#360
20090093338
2009-04-09

Hydraulic control unit

#361
20090078112
2009-03-26

Control valve for a hydraulic motor

#362
20090053077
2009-02-26

Flow prioritizing valve system

#363
20090026394
2009-01-29

Volume flow regulating valve for a hydraulic system for controlling a belt-driven conical-pulley transmission

#364
20090007976
2009-01-08

LIFD valve assembly

#365
20080257142
2008-10-23

Hydraulic pressure control apparatus and hydraulic circuit

#366
20080216645
2008-09-11

Fluid control system having selective recruitable actuators

#367
20080216644
2008-09-11

Antagonistic fluid control system for active and passive actuator operation

#368
20080202608
2008-08-28

Hydraulic valve with spool position sensing assembly

#369
20080163939
2008-07-10

Valve assembly with dual actuation solenoids

#370
20080163750
2008-07-10

System and method for controlling actuator position

#371
20080149181
2008-06-26

Rotary-actuated electro-hydraulic valve

#372
20080129364
2008-06-05

Dead band reduction in electronically controlled valves

#373
20080121830
2008-05-29

Hydraulic control valve system

#374
20080121828
2008-05-29

Hydraulic control valve system

#375
20080116403
2008-05-22

Two stage spool centering mechanism

#376
20080099714
2008-05-01

Valve, circuit module and method providing integrated electronics in an electronically controlled valve and electronic assemblies

#377
20080099706
2008-05-01

Variable frequency and amplitude dither for electronically controlled valves

#378
20080099705
2008-05-01

Retaining element for a mechanical component

#379
20080099090
2008-05-01

Valve, controller, system and method providing closed loop current control of a voice coil using pulse width modulation drive elements

#380
20080099087
2008-05-01

Equalization of pressure in an electronically controlled valve

#381
20080099086
2008-05-01

Load Sensing Directional Hydraulic Valve

#382
20080099069
2008-05-01

Method, controller and system providing techniques for control of an air loaded regulator and cascaded control loops

#383
20080092967
2008-04-24

Control valve assembly

#384
20080087345
2008-04-17

Direct operated cartridge valve assembly

#385
20080087344
2008-04-17

Control valve assembly

#386
20080078285
2008-04-03

Pressure control device for heavy equipment

#387
20080072749
2008-03-27

Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valve

#388
20080047617
2008-02-28

Hydraulic control apparatus

#389
20080035224
2008-02-14

Sleeved spool fluid power control valve

#390
20080029163
2008-02-07

Control line reducing hydraulic control system and control valve therefor

#391
20080017261
2008-01-24

Proportional pressure control valve

#392
20070295924
2007-12-27

Fluid controller and a method of detecting an error in a fluid controller

#393
20070295413
2007-12-27

OIL PRESSURE CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE

#394
20070267078
2007-11-22

Hydraulic control valve in the form of a cartridge

#395
20070246112
2007-10-25

Three position solenoid valve

#396
20070193639
2007-08-23

Three-way proportional pressure reducing control valve

#397
20070163662
2007-07-19

Proportional pressure control valve

#398
20070163661
2007-07-19

Methods and apparatus for a direct connect on-off controller

#399
20070157974
2007-07-12

Methods and apparatus for a direct connect on-off controller

#400
20070144588
2007-06-28

Spool activated lock-out valve for a hydraulic actuator load check valve

#401
20070131291
2007-06-14

Manual valve of hydraulic pressure control system for automatic transmission

#402
20070113906
2007-05-24

Pressure balanced spool poppet valves with printed actuator coils

#403
20070095315
2007-05-03

Control valve for an apparatus for variable setting of the control times of gas exchange valves of an internal combustion engine

#404
20070079879
2007-04-12

Valve with increased dynamic response

#405
20070050171
2007-03-01

System for detecting and transmitting test data from a pressure chamber filled with a high-pressure fluid

#406
20070045585
2007-03-01

Hydraulic flow control valve with flow rate setting adjustability

#407
20070044857
2007-03-01

Pilot controlled pulse valve

#408
20070034077
2007-02-15

Arrangement for controlling a hydraulically driven motor

#409
20070028973
2007-02-08

Directional control valve block

#410
20060254657
2006-11-16

Spool valve apparatus and method

#411
20060191405
2006-08-31

Flow control valve having pressure compensating valve

#412
20060158289
2006-07-20

Electromagnet

#413
20060157121
2006-07-20

Methods and apparatus for a direct connect on-off controller

#414
20060137751
2006-06-29

Hydraulic distributor with torque slits

#415
20060130914
2006-06-22

Position feedback pilot valve actuator for a spool control valve

#416
20060096646
2006-05-11

Annular port construction for valve applications

#417
20060081121
2006-04-20

Hydraulic valve arrangement

#418
20060048824
2006-03-09

Controllable solenoid valve

#419
20060016495
2006-01-26

Control valve for a device to modify the timing of an internal combustion engine

#420
20050260064
2005-11-24

Speed governor and distributing valve for hydraulic turbines

#421
20050236595
2005-10-27

Coupling solenoid valve

#422
20050205145
2005-09-22

Annular port construction for valve applications

#423
20050183770
2005-08-25

Linear fluid drive system with detent

#424
20050183571
2005-08-25

Flow control apparatus for construction heavy equipment

#425
20050178451
2005-08-18

Solenoid valve

#426
20050173008
2005-08-11

Proportional pressure control valve

#427
20050163639
2005-07-28

Hydraulic actuator control valve

#428
20050133099
2005-06-23

Damper device for hydraulic control valve

#429
20050133098
2005-06-23

Normally open hydraulic control valve

#430
20050121090
2005-06-09

Thermally actuated microvalve device

#431
20050120873
2005-06-09

Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor

#432
20050115620
2005-06-02

Valve assembly

#433
20050103191
2005-05-19

Oil pressure control apparatus for an internal combustion engine

#434
20050087242
2005-04-28

Proportional pressure control valve

#435
20050067031
2005-03-31

Slide spool valve

#436
20050067030
2005-03-31

Pilot controlled multiway valve

#437
20050061376
2005-03-24

Valve having junction type housing

#438
20050045237
2005-03-03

Hydraulic control valve systems and methods

#439
20050039805
2005-02-24

Spool-type hydraulic directional control valve having reduced cavitation

#440
20050011556
2005-01-20

Spool position detection for a hydraulic valve

#441
20050000580
2005-01-06

Predictive maintenance and initialization system for a digital servovalve

#442
18890698
2026-02-10

Actuator load and slew rate limiting via pressure throttling shutoff valve

#443
18649445
2025-08-19

Cross-bleed safety mechanism for a linear hydraulic actuator

#444
18540768
2024-07-09

Two-dimensional electro-hydraulic servo valve based on dual redundancy transmission mechanism

#445
18382281
2024-12-10

Three way transfer valve for parallel electrohydraulic servo valve control of actuator

#446
17956947
2023-07-18

Two-dimensional motor-direct-driving electro-hydraulic servo valve with adjustable null position

#447
17652137
2023-05-23

Rotary servo for fixed fail actuators

#448
16214577
2020-04-21

Proportional valve for fluid flow control

#449
15590755
2018-07-03

Piston valve with annular passages