Patents-Review.com
ClassID:

146013 ⎘

F15B13/043 - 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 operated by fluid pressure with electrically-controlled pilot valves

Sub-classes:
Recent Application in this class:
#1
20260009408
2026-01-08

HYDRAULIC FORCE FIGHT MITIGATION

 #2
20250129803
2025-04-24

VACUUM PRODUCTION DEVICE WITH DUAL-FUNCTION CONTROL SPOOL AND HANDLING DEVICE COMPRISING SUCH A VACUUM PRODUCTION DEVICE

 #3
20250067284
2025-02-27

FLUID SYSTEM WITH MULTI-MODE TRANSFER VALVE

 #4
20240384733
2024-11-21

A REDUNDANT HYDRAULIC SYSTEM

 #5
20240191813
2024-06-13

MULTIFUNCTIONAL ELECTRO-HYDRAULIC FLOW CONTROL VALVE AND FLOW CONTROL METHOD

 #6
20240094750
2024-03-21

COUNTER PRESSURE VALVE ARRANGEMENT

 #7
20230380355
2023-11-30

System and method to service a cutting element in work machine

 #8
20230304262
2023-09-28

Work Machine

 #9
20230221737
2023-07-13

Counter pressure valve arrangement

 #10
20230151829
2023-05-18

HYDRAULIC FORCE FIGHT MITIGATION

 #11
20220136533
2022-05-05

Rotary servo valve

 #12
20210262494
2021-08-26

Valve with anti-cavitation features

 #13
20210190097
2021-06-24

Filter retaining plug

 #14
20210164585
2021-06-03

PEDAL MODULATING VALVE ASSEMBLY INCLUDING MULTIPLE GAIN STATES

 #15
20210095777
2021-04-01

Safety valve

 #16
20200393062
2020-12-17

System and method for detecting valve operating conditions

 #17
20200300380
2020-09-24

Inflation electric valve with manual override

 #18
20200190771
2020-06-18

Valve assembly with mechanical and electro-hydraulic control

 #19
20200166144
2020-05-28

Filter retaining plug and tool

 #20
20200166059
2020-05-28

PIEZOELECTRIC BIMORPH SERVO VALVE

 #21
20200124060
2020-04-23

System for damping mass-induced vibration in machines having hydraulically controlled booms or elongate members

 #22
20200056633
2020-02-20

Pilot valve assembly with orientation adjustment

 #23
20200048868
2020-02-13

Hydraulic system for working machine

 #24
20200003330
2020-01-02

System and method for detecting valve operating conditions

 #25
20190368517
2019-12-05

DEVICE FOR PILOT VALVE

 #26
20190330824
2019-10-31

Hydraulic control system for construction machine

 #27
20190309770
2019-10-10

Filter retaining plug

 #28
20190271333
2019-09-05

Hydraulic excavator drive system

 #29
20190257328
2019-08-22

Electro-hydraulic control system with fail-safe pilot valves

 #30
20190257325
2019-08-22

Open center control valve

 #31
20190195381
2019-06-27

Servo valve

 #32
20190186510
2019-06-20

Leakage modulation in hydraulic systems containing a three-way spool valve

 #33
20190085876
2019-03-21

Hydraulic system

 #34
20190063469
2019-02-28

Direct input pilot operated servo valve

 #35
20190048896
2019-02-14

Hydraulic component, combination made from hydraulic components, and hydraulic system comprising at least one such hydraulic component or combination

 #36
20180372128
2018-12-27

Servovalve

 #37
20180335057
2018-11-22

Open center control valve

 #38
20180299019
2018-10-18

Contamination resistant poppet valve

 #39
20180283418
2018-10-04

Work vehicle and data calibration method

 #40
20180128393
2018-05-10

Servovalve

 #41
20180087541
2018-03-29

FAST SWITCHING 3/2 DIRECT OPERATED HYDRAULIC DIRECTIONAL CONTROL VALVE

 #42
20170364097
2017-12-21

Fluid metering valve

 #43
20170328383
2017-11-16

Valve arrangement

 #44
20170306990
2017-10-26

ENERGY SAVING DIRECTIONAL-CONTROL VALVES FOR PROVIDING INPUT-OUTPUT COMPATIBILITY WITH STANDARD NON-ENERGY SAVING DIRECTIONAL-CONTROL VALVES

 #45
20170292624
2017-10-12

Electropneumatic magnet valve

 #46
20170283227
2017-10-05

Sectional hydraulic valve and a truck mounted forklift incorporating the valve

 #47
20170248251
2017-08-31

Two-stage closed center electro-hydraulic valve

 #48
20170198727
2017-07-13

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

 #49
20170054247
2017-02-23

High pressure sealed electrical connector

 #50
20170036654
2017-02-09

Valve unit for modulating the pressure in a pneumatic brake system

 #51
20170009429
2017-01-12

Working machine control system

 #52
20160305568
2016-10-20

Valve having electro-mechanical actuator and a control device with a delay circuit

 #53
20160161013
2016-06-09

Hydraulic servovalves

 #54
20150337980
2015-11-26

Fluid pressure control device

 #55
20150135694
2015-05-21

Gearbox Hydraulic Circuit

 #56
20150123022
2015-05-07

Electronic deadman/autoshear circuit

 #57
20150117585
2015-04-30

Gas supply apparatus and air or nitrogen supply apparatus of nuclear plant

 #58
20150112492
2015-04-23

System and method for controlling a valve

 #59
20150112491
2015-04-23

System and method for controlling a remote valve

 #60
20150081179
2015-03-19

Hydraulic system having dual tilt blade control

 #61
20140352790
2014-12-04

Pneumatic directional valve and method of operation

 #62
20140318652
2014-10-30

VALVE BLEED SYSTEM

 #63
20140251447
2014-09-11

Servovalve having two stages and a pilot stage adapted to such a servovalve

 #64
20140137732
2014-05-22

Flow control valve for construction machinery

 #65
20140116241
2014-05-01

Electropneumatic control device and electropneumatic subassembly

 #66
20140083092
2014-03-27

Hydraulic circuit for construction equipment

 #67
20140042346
2014-02-13

Servovalve actuation

 #68
20140008555
2014-01-09

Proportional control valve

 #69
20140007964
2014-01-09

Proportional pressure-regulating valve

 #70
20130276925
2013-10-24

PRESSURE REGULATING DEVICE WITH DETECTION OF THE NEUTRAL POSITION

 #71
20130248032
2013-09-26

HYDRAULIC PILOT VALVE ARRANGEMENT AND HYDRAULIC VALVE ARRANGEMENT HAVING THE SAME

 #72
20130207009
2013-08-15

Two part valve

 #73
20130180606
2013-07-18

Floating action type servo-valve

 #74
20130153057
2013-06-20

Compact two-way cartridge valve using combined flange-controlled plate

 #75
20130042935
2013-02-21

Hydraulic switching mechanism for mobile hydraulics, mobile hydraulic machine and valve unit

 #76
20120181459
2012-07-19

Control arrangement

 #77
20120152575
2012-06-21

Hydraulic system having dual tilt blade control

 #78
20120024406
2012-02-02

Combined hydraulic integrated control valve block system

 #79
20110240152
2011-10-06

SYSTEM AND METHOD FOR ADJUSTING THE POSITION OF A CONTROL MEMBER OF A POWER PLANT

 #80
20110193000
2011-08-11

Decompression switching valve

 #81
20100096576
2010-04-22

VALVE BLEED SYSTEM

 #82
20090095928
2009-04-16

Solenoid valve for brake system

 #83
20080277525
2008-11-13

Hydraulic distributor for airplane landing gear

 #84
20070209722
2007-09-13

Multi-way valve

 #85
20070151237
2007-07-05

Load sensing hydraulic system

 #86
20070056439
2007-03-15

Robustly stable servo-controlled metering poppet valve

 #87
20060156915
2006-07-20

Hydraulic system having at least one hydraulic valve for controlling a transmission

 #88
20050236595
2005-10-27

Coupling solenoid valve

 #89
20050067030
2005-03-31

Pilot controlled multiway valve

 #90
20050061376
2005-03-24

Valve having junction type housing

 #91
20050016168
2005-01-27

Hydraulic drive system and improved control valve assembly therefor

 #92
16246924
2020-05-12

Proportional fluid flow control valve configured to generate a pressure-boosted pilot fluid signal

 #93
16246921
2020-09-15

Proportional fluid flow control valve having a built-in check valve and configured to generate a pilot signal