Patents-Review.com
ClassID:

146008 ⎘

F15B13/042 - 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

Sub-classes:
Recent Application in this class:
#1
20260054947
2026-02-26

GANGWAY HAVING SELF-RAISING ASSEMBLY

 #2
20250256695
2025-08-14

ELECTRO-HYDRAULIC ACTUATOR AND BRAKE DEVICE

 #3
20250122893
2025-04-17

Two-stage speed controller

 #4
20250020234
2025-01-16

Pipeline Actuation System

 #5
20240426077
2024-12-26

HYDRAULIC CONTROL SYSTEM IN EXCAVATOR TYPE CONSTRUCTION MACHINE

 #6
20240392814
2024-11-28

Hydraulic arrangement

 #7
20240308794
2024-09-19

GANGWAY HAVING SELF-RAISING ASSEMBLY

 #8
20240294161
2024-09-05

Method for venting a cylinder of a piston-cylinder unit of a power brake pressure generator of a hydraulic power brake system

 #9
20240110581
2024-04-04

Hydraulic system

 #10
20240082079
2024-03-14

Hydraulic valve and system

 #11
20230303345
2023-09-28

Gangway having self-raising assembly

 #12
20230272657
2023-08-31

DRIVE ARRANGEMENT FOR A FLAP OF A MOTOR VEHICLE

 #13
20230250609
2023-08-10

SYSTEM AND METHOD FOR MAINTAINING LOADER ARM POSITION DURING THE OPERATION OF A WORK VEHICLE USING A RIDE CONTROL MODE

 #14
20230175531
2023-06-08

Control system for actuating lifting function

 #15
20230066490
2023-03-02

Hydraulic arrangement for a vehicle transmission

 #16
20220235801
2022-07-28

Control valve with optimized cross-section

 #17
20220154738
2022-05-19

Work machine and control method

 #18
20220135353
2022-05-05

Gangway having self-raising assembly

 #19
20220049720
2022-02-17

Flow controller and driving apparatus including the same

 #20
20210324953
2021-10-21

Hydraulic arrangement for a vehicle transmission

 #21
20210156404
2021-05-27

Flush pump and hydraulic system

 #22
20210123272
2021-04-29

Vehicle door positioning holder

 #23
20200392972
2020-12-17

Control valve assembly for an indirect pneumatic control, and method for controlling a working fluid pressure

 #24
20200362885
2020-11-19

Pilot close vent valve

 #25
20200317456
2020-10-08

Gangway having self-raising assembly

 #26
20200292097
2020-09-17

Control system for spool valve avoiding mechanical stresses

 #27
20200271136
2020-08-27

Flow control for an actuator

 #28
20200263708
2020-08-20

Time-based power boost control system

 #29
20200189623
2020-06-18

Auto guide vehicle

 #30
20200140063
2020-05-07

Horizontal stabilizer trim actuator systems and methods

 #31
20200096121
2020-03-26

Control valve

 #32
20200060063
2020-02-27

Hydraulic system for an agricultural implement incorporating implement-based hydraulic load sensing

 #33
20200048868
2020-02-13

Hydraulic system for working machine

 #34
20200011352
2020-01-09

Hydraulic circuit for feeding an actuator, in particular for use in moving a door of an aircraft bay

 #35
20200003332
2020-01-02

Method of controlling a three-position slide valve

 #36
20200001984
2020-01-02

Braking system for a dual landing gear aircraft

 #37
20190376613
2019-12-12

Directly-controlled hydraulic directional valve

 #38
20190376535
2019-12-12

Liquid-pressure driving system

 #39
20190360603
2019-11-28

Fluid pressure valve

 #40
20190285097
2019-09-19

Electropneumatic control system and position controller for such a system

 #41
20190271334
2019-09-05

Fluid valve assembly, process valve positioner and use of a fluid valve assembly in control of a process valve

 #42
20190264420
2019-08-29

Method of limiting flow in response to sensed pressure

 #43
20190248265
2019-08-15

System and method for paving a surface and remotely controlling the flow of paving material from a dump truck into a hopper of a paver

 #44
20190233086
2019-08-01

Aircraft hydraulic system

 #45
20190128290
2019-05-02

Method for improving electro-hydraulic system response

 #46
20190063475
2019-02-28

Actuator cooling flow limiter

 #47
20190032682
2019-01-31

Proportional sequence valve with pressure amplification device

 #48
20180355892
2018-12-13

Fluid control valve

 #49
20180312325
2018-11-01

Drum unloader

 #50
20180299019
2018-10-18

Contamination resistant poppet valve

 #51
20180163884
2018-06-14

SOLENOID VALVE SYSTEM WITH MODULAR BASES

 #52
20180163374
2018-06-14

Work machine

 #53
20180142710
2018-05-24

Hydraulic drive with rapid stroke and load stroke

 #54
20180087992
2018-03-29

Hydraulic pressure sensor attachment structure

 #55
20180073526
2018-03-15

Nozzle with locking nut

 #56
20180066681
2018-03-08

HYDRAULIC STABILIZING SYSTEM

 #57
20180058043
2018-03-01

Reversible flow path construction

 #58
20180051817
2018-02-22

Servo valve spool

 #59
20180031007
2018-02-01

PNEUMATIC LIFT RETRACTION ASSISTANCE APPARATUS AND METHOD

 #60
20180022440
2018-01-25

Horizontal stabilizer trim actuator systems and methods

 #61
20180010700
2018-01-11

Valve with a control space vented via a sealing groove

 #62
20170364102
2017-12-21

Hydraulic control valve with controlled flow and valve safety disable

 #63
20170350097
2017-12-07

Flow control valve for construction machine

 #64
20170321394
2017-11-09

Method for compensating for flow rate of hydraulic pump of construction machine

 #65
20170261008
2017-09-14

Speed controller

 #66
20170198727
2017-07-13

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

 #67
20170184208
2017-06-29

Apparatus to bias spool valves using supply pressure

 #68
20170181378
2017-06-29

Improved Accumulator Circuit for Towed Implements

 #69
20170107697
2017-04-20

Shovel and method of controlling shovel

 #70
20170067569
2017-03-09

Three position closed center poppet valve

 #71
20170051836
2017-02-23

Spool valve with special metering configuration for hydraulic valve main control speed

 #72
20170023138
2017-01-26

Valve assembly with two spool valves

 #73
20160356421
2016-12-08

COMPRESSED AIR ENERGY STORAGE SYSTEM UTILIZING TWO-PHASE FLOW TO FACILITATE HEAT EXCHANGE

 #74
20160333898
2016-11-17

Pressure-controlled 2-way flow control valve for hydraulic applications and valve assembly comprising such a 2-way flow control valve

 #75
20160327069
2016-11-10

Flow passage unit and switching valve

 #76
20160273673
2016-09-22

Valve device and use of such a valve device

 #77
20160258451
2016-09-08

Hydraulic cylinder drive system

 #78
20160258450
2016-09-08

Control apparatus

 #79
20160257236
2016-09-08

Method and system for operating a tipper

 #80
20160238043
2016-08-18

Hydraulic driving device

 #81
20160195111
2016-07-07

Fluid pressure control apparatus

 #82
20160138619
2016-05-19

Conserve Energy Through Independent Pump Control in a Hydraulic System

 #83
20160102686
2016-04-14

Hydraulic system for construction equipment

 #84
20160084279
2016-03-24

Hydraulic drive with rapid stroke and load stroke

 #85
20160061229
2016-03-03

Energy efficient fluid powered linear actuator with variable area and concentric chambers

 #86
20160032947
2016-02-04

Construction machine

 #87
20150300510
2015-10-22

Hydraulic valve for preventing leakage in an actuator for activating a high- or medium-voltage circuit breaker

 #88
20150252820
2015-09-10

Hydraulic driving apparatus for working machine

 #89
20150226235
2015-08-13

Non-linear actuator system and method

 #90
20150221427
2015-08-06

Latching solenoid regulator valve

 #91
20150135694
2015-05-21

Gearbox Hydraulic Circuit

 #92
20150129070
2015-05-14

Apparatus to bias spool valves using supply pressure

 #93
20150096291
2015-04-09

Fluid pressure control device

 #94
20150090112
2015-04-02

Bicycle hydraulic operating device

 #95
20150059568
2015-03-05

Hydraulic control circuit with regeneration valve

 #96
20150033719
2015-02-05

Reducing dig force in hydraulic implements

 #97
20150027547
2015-01-29

Hydraulic valve with helical actuator

 #98
20150013805
2015-01-15

Change-over valve

 #99
20140360174
2014-12-11

Boom cylinder control circuit for construction machine

 #100
20140345267
2014-11-27

Fluid valve arrangement comprising a bistable fluid valve

 #101
20140216024
2014-08-07

Brake valve and hydrostatic drive system therewith

 #102
20140174064
2014-06-26

HYDRAULIC CONTROL SYSTEM FOR SWING MOTOR

 #103
20140158922
2014-06-12

Solenoid valve assembly

 #104
20140137732
2014-05-22

Flow control valve for construction machinery

 #105
20140116546
2014-05-01

Regulator valve with axial vent

 #106
20140109760
2014-04-24

Valve for controlling a hydropneumatic device for pressure intensifying, and hydropneumatic device for pressure intensifying with a valve

 #107
20130227941
2013-09-05

Pressure intensifier for discharging fluid at constant flow rate

 #108
20130152566
2013-06-20

FLUID FLEXIBLE CONTAINER PUMP

 #109
20130105714
2013-05-02

Apparatus for a pneumatic relay venting pressure dynamic feedback compensator

 #110
20130105014
2013-05-02

ADJUSTABLE PILOT-ACTUATED VALVE

 #111
20130081725
2013-04-04

TIME DELAY VALVE

 #112
20130048889
2013-02-28

Control valve

 #113
20130037131
2013-02-14

Control valve

 #114
20120269651
2012-10-25

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #115
20120260645
2012-10-18

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #116
20120180651
2012-07-19

Transmission system and method of repair

 #117
20120118137
2012-05-17

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #118
20120057996
2012-03-08

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #119
20120055147
2012-03-08

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #120
20120042772
2012-02-23

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #121
20120023919
2012-02-02

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #122
20120017580
2012-01-26

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #123
20110314804
2011-12-29

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #124
20110175005
2011-07-21

Selector valve operating mechanism for working vehicle

 #125
20110146804
2011-06-23

Fluid operated actuator system

 #126
20110126920
2011-06-02

Hydraulic valve device

 #127
20110088797
2011-04-21

Fluid-pressure actuator unit

 #128
20110005625
2011-01-13

Solenoid valve assembly

 #129
20100329909
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #130
20100329891
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #131
20100326069
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #132
20100326068
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #133
20100326066
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #134
20100326064
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #135
20100326062
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

 #136
20100319341
2010-12-23

Non-linear actuator system and method

 #137
20100243929
2010-09-30

Booster valve

 #138
20090294710
2009-12-03

Hydraulic system

 #139
20090293976
2009-12-03

Two position three way valve

 #140
20090205723
2009-08-20

Hydraulic circuit of construction machine

 #141
20090139395
2009-06-04

Hydraulic system with warm up circuit

 #142
20080066814
2008-03-20

Two-stage servo-valve

 #143
20070181842
2007-08-09

Valve body and valve having the same

 #144
20060219306
2006-10-05

Hydraulically switchable directional control valve

 #145
20050223885
2005-10-13

Controlled-flow hydraulic distributor

 #146
19100122
2025-08-12

Electro-hydraulic actuator and brake device

 #147
17565477
2022-12-06

Hydraulic power generating system

 #148
14822283
2017-03-21

Hybrid hydraulic-operated bicycle