ClassID:

146385

F15B2211/526 - CPC Classification

Classification description:

Circuits for servomotor systems; Pressure control characterised by the type of actuation electrically or electronically

Sub-classes:
Recent Application in this class:
#1
20260043423
2026-02-12

VALVE SYSTEM AND METHOD FOR OPERATING A PNEUMATIC ACTUATOR

#2
20260029001
2026-01-29

Valve Assembly for Double-Acting Hoisting Mechanism

#3
20260015826
2026-01-15

Systems and Methods for Hydraulic Ride Control

#4
20250376993
2025-12-11

HYDRAULIC DRIVE DEVICE

#5
20250354570
2025-11-20

Hydraulic System

#6
20250207683
2025-06-26

Valve

#7
20250169388
2025-05-29

GROUND PRESSURE CONTROL FOR AGRICULTURAL IMPLEMENT

#8
20250163941
2025-05-22

Valve

#9
20250052035
2025-02-13

Hydraulic Control System in Working Machine

#10
20240309894
2024-09-19

Self-Sensing Pressure-Driven Extending Actuator

#11
20240301899
2024-09-12

System and Method for Controlling a Mobile Agricultural Machine Having a Hydraulic Supply System

#12
20240279912
2024-08-22

RELIEF SET-PRESSURE ADJUSTMENT SYSTEM

#13
20240255008
2024-08-01

HYDRAULIC CONTROL SYSTEM AND METHOD WITH ELECTRO-PROPORTIONAL PRESSURE VALVE AND INTEGRAL CHECK

#14
20240218890
2024-07-04

RELIEF PRESSURE CONTROL DEVICE

#15
20240218887
2024-07-04

Method for hydraulically lowering tools onto a surface of an object

#16
20240057522
2024-02-22

HEADER HEIGHT CORRECTION SYSTEM AND METHOD

#17
20230417260
2023-12-28

Smart flow dual pump hydraulic system

#18
20230383769
2023-11-30

Variable Relief Circuit

#19
20230304514
2023-09-28

Gas-powered drive system and operating method

#20
20230203787
2023-06-29

HYDRAULIC SYSTEM FOR WORKING MACHINE

#21
20230167833
2023-06-01

Smart flow dual pump hydraulic system

#22
20230167628
2023-06-01

Hydraulic control circuit

#23
20230146866
2023-05-11

CONTROL SYSTEM FOR AGRICULTURAL HEADER

#24
20230098551
2023-03-30

HYDRAULIC SYSTEM FOR WORK MACHINE, WORK MACHINE, AND METHOD FOR CONTROLLING HYDRAULIC SYSTEM

#25
20230013888
2023-01-19

Multi-control valve device

#26
20220364578
2022-11-17

Hydraulic control system

#27
20220252085
2022-08-11

Electro-hydraulic servo-valves and related methods

#28
20220228608
2022-07-21

Fluid pressure control device

#29
20220196044
2022-06-23

Electro-hydraulic servo actuator capable of implementing long-stroke and high-frequency loading, and control method

#30
20220194559
2022-06-23

Actuator overpressurising assembly

#31
20220159896
2022-05-26

Negative downforce system for ground engaging machinery

#32
20220117161
2022-04-21

Windrower variable rate header floatation system

#33
20220071089
2022-03-10

Controlled float on an agricultural harvester for header leveling

#34
20220061219
2022-03-03

Windrow merger with active weight transfer system

#35
20210381530
2021-12-09

Compressed air supply device, system and procedure

#36
20210364083
2021-11-25

Continuous variable transmission hydraulic pressure control device

#37
20210352847
2021-11-18

Limit management for automatic ground-following actuation on a multi-segment harvesting head

#38
20210341001
2021-11-04

Pilot control mechanism for boom bounce reduction

#39
20210332838
2021-10-28

Adaptive friction minimization for electrohydraulic actuators

#40
20210270294
2021-09-02

A HYDRAULIC SYSTEM FOR A LOAD HANDLING VEHICLE

#41
20210254638
2021-08-19

Hydraulic control system and method with electro-proportional pressure valve and integral check

#42
20210239137
2021-08-05

System to pump fluid and control thereof

#43
20210231135
2021-07-29

Electronically adjustable pressure compensated flow control with pressure limiting relief valve

#44
20210105994
2021-04-15

POSITIONING APPARATUS FOR AN AGRICULTURAL DISTRIBUTION MACHINE

#45
20200378409
2020-12-03

VALVE DEVICE

#46
20200339089
2020-10-29

Electromechanically drivable brake pressure generator for a hydraulic braking system of a vehicle and vehicle including an electromechanical brake pressure generator

#47
20200325914
2020-10-15

Hydraulic systems and methods for nested pressure regulating valves

#48
20200263708
2020-08-20

Time-based power boost control system

#49
20200248720
2020-08-06

Hydraulic system and method for reducing boom bounce with counter-balance protection

#50
20200238967
2020-07-30

Vehicle brake system with adaptive pressure calibration

#51
20200224388
2020-07-16

Work machine

#52
20200221637
2020-07-16

Crop machine with an electronically controlled hydraulic cylinder flotation system

#53
20200088216
2020-03-19

Electrohydraulic valve normally operating in fluid flow-blocking mode and configured to operate in pressure relief mode when actuated

#54
20200032820
2020-01-30

Pilot control mechanism for boom bounce reduction

#55
20200003239
2020-01-02

Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems

#56
20190316609
2019-10-17

Rotary drive device and a robot arm of a robot equipped therewith

#57
20190256066
2019-08-22

BRAKE SYSTEM

#58
20190186512
2019-06-20

HYDRAULIC SYSTEM CHARACTERISTICS

#59
20190141897
2019-05-16

System for controlling a brake in an auxiliary hydraulic system

#60
20190120371
2019-04-25

Oil pressure supply system of automatic transmission

#61
20190106861
2019-04-11

Work machine

#62
20190101138
2019-04-04

Hydraulic system for working machine

#63
20190093756
2019-03-28

Hydraulic system for a transmission of a motor vehicle

#64
20190061459
2019-02-28

Compressed air supply system

#65
20190029165
2019-01-31

Agricultural implement and row units including double acting actuator systems, methods, and apparatus

#66
20190010964
2019-01-10

System to pump fluid and control thereof

#67
20180372131
2018-12-27

Valve block arrangement and method for a valve block arrangement

#68
20180363682
2018-12-20

FLUID POWER CONTROL SYSTEM FOR MOBILE LOAD HANDLING EQUIPMENT

#69
20180359920
2018-12-20

Crop machine with an electronically controlled hydraulic cylinder flotation system

#70
20180355968
2018-12-13

Operating method for a hydraulic system of an automatic transmission

#71
20180305898
2018-10-25

Construction machine

#72
20180266080
2018-09-20

Hydraulic system for working machine

#73
20180245608
2018-08-30

Application-based control of pneumatic valve assemblies

#74
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

#75
20180156243
2018-06-07

Hydraulic system and method for reducing boom bounce with counter-balance protection

#76
20180153102
2018-06-07

Crop machine with an electronically controlled hydraulic cylinder flotation system

#77
20180153101
2018-06-07

Crop machine with an electronically controlled hydraulic cylinder flotation system

#78
20180100522
2018-04-12

Hydraulic control valve for controlling pressure drop across motors

#79
20170359955
2017-12-21

Crop Machine with an Electronically Controlled Hydraulic Cylinder Flotation System

#80
20170359954
2017-12-21

Crop machine with an electronically controlled hydraulic cylinder flotation system

#81
20170350094
2017-12-07

Drive control system of operating machine, operating machine including drive control system, and drive control method of operating machine

#82
20170254308
2017-09-07

Hydrostatic drive

#83
20170211597
2017-07-27

Hydraulic system and method for controlling an implement of a working machine

#84
20170204886
2017-07-20

Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems

#85
20170107696
2017-04-20

Work machine

#86
20170107694
2017-04-20

Hydraulic excavator drive system

#87
20160360705
2016-12-15

Electrohydraulic circuit for a drop floor assembly

#88
20160333552
2016-11-17

Closed-circuit hydraulic system for construction machine

#89
20160326722
2016-11-10

ENERGY-SAVING CONTROL SYSTEM OF EXCAVATOR

#90
20160298660
2016-10-13

Pilot control mechanism for boom bounce reduction

#91
20160230370
2016-08-11

Hydraulic system and working machine including the same

#92
20160108936
2016-04-21

Hydraulic system and method for reducing boom bounce with counter-balance protection

#93
20160084274
2016-03-24

System to pump fluid and control thereof

#94
20160069362
2016-03-10

Aircraft hydraulic fluid heating system and method

#95
20160061185
2016-03-03

HYDRAULIC SYSTEM

#96
20150369263
2015-12-24

Actuator unit

#97
20150299987
2015-10-22

Construction machine

#98
20150292644
2015-10-15

Balanced electronically controlled pressure regulating valve

#99
20150275931
2015-10-01

Turbine valve actuator

#100
20150184681
2015-07-02

Actuator

#101
20150168089
2015-06-18

Fluid cooler bypass system for an agricultural work vehicle

#102
20150135694
2015-05-21

Gearbox Hydraulic Circuit

#103
20140366518
2014-12-18

Hydraulic system of construction machine

#104
20140322045
2014-10-30

Engine overload prevention using a speed differential operated relief valve

#105
20140196793
2014-07-17

Hydraulic control apparatus and method

#106
20140123847
2014-05-08

Hydraulic excavator

#107
20140116038
2014-05-01

Hydraulic system with open loop electrohydraulic pressure compensation

#108
20140018964
2014-01-16

Valve contamination dislodgement

#109
20130277584
2013-10-24

Fluid power control system for mobile load handling equipment

#110
20130248306
2013-09-26

Vibration control device for railroad vehicle

#111
20130145757
2013-06-13

Hydraulic control system

#112
20130037119
2013-02-14

Valve control of pump inlet pressure with bootstrap reservoir

#113
20130000288
2013-01-03

Hydraulic control system having variable pressure relief

#114
20120220426
2012-08-30

Charge bypass system for engine start

#115
20120124989
2012-05-24

Hydraulic Power Unit With Auto-Load Sensing

#116
20120060487
2012-03-15

Working machine

#117
20110094214
2011-04-28

High response hydraulic actuator

#118
20100319337
2010-12-23

HYDROSTATIC DRIVE SYSTEM

#119
20100229970
2010-09-16

Valve apparatus

#120
20100077596
2010-04-01

Manifold assembly having a centralized pressure sensing package

#121
20090308068
2009-12-17

CONTROL CIRCUIT FOR CONSTRUCTION MACHINE

#122
20090266429
2009-10-29

Hydraulic pressure control apparatus

#123
20090199703
2009-08-13

POSITIONER FOR DOUBLE-ACTING PNEUMATIC ACTUATOR, DOUBLE-ACTING PNEUMATIC ACTUATOR AND METHOD FOR OPERATING THE DOUBLE-ACTING PNEUMATIC ACTUATOR

#124
20090056531
2009-03-05

Lifting mechanism, and method for triggering a lifting mechanism

#125
20080296522
2008-12-04

Relief pressure switching apparatus for hydraulic working machine

#126
20080223030
2008-09-18

Hydraulic driving device for operating machine

#127
20080066814
2008-03-20

Two-stage servo-valve

#128
20080017261
2008-01-24

Proportional pressure control valve

#129
20080010982
2008-01-17

Control Valve for a Servo Steering System

#130
20070277754
2007-12-06

Manifold assembly having a centralized pressure sensing package

#131
20070277519
2007-12-06

Lifting gear valve arrangement

#132
20070145314
2007-06-28

Modular valve system

#133
20070059146
2007-03-15

Loading implement

#134
20070025176
2007-02-01

Batch mixer

#135
20060236688
2006-10-26

Hydraulic circuit

#136
20050284144
2005-12-29

Conduit loss compensation for a distributed electrohydraulic system

#137
20050173008
2005-08-11

Proportional pressure control valve

#138
20050098755
2005-05-12

Valve arrangement for hydraulic consumer

#139
20050098401
2005-05-12

Enhanced computer optimized adaptive suspension system and method

#140
20050087242
2005-04-28

Proportional pressure control valve

#141
20050011190
2005-01-20

Hydraulic active boom suspension for a telehandler

#142
17563977
2023-05-30

Variable system pressure based on implement position

#143
17511099
2023-03-28

System and method for controlling hydraulic valve operation within a work vehicle

#144
16545324
2022-02-15

Negative downforce system for ground engaging machinery