ClassID:

146437

F15B2211/6653 - CPC Classification

Classification description:

Circuits for servomotor systems; Circuit components or control therefor; Methods of control using electronic components Pressure control

Recent Application in this class:
#1
20260139694
2026-05-21

LINEAR ACTUATOR ASSEMBLY AND SYSTEM

#2
20260117802
2026-04-30

INTERMEDIATE HYDRAULIC SYSTEM AND METHOD OF USE

#3
20250264118
2025-08-21

METHOD AND SYSTEM FOR A FLOW-ISOLATED VALVE ARRANGEMENT AND A THREE-CHAMBER CYLINDER HYDRAULIC ARCHITECTURE

#4
20250198429
2025-06-19

Hydraulic System

#5
20250027518
2025-01-23

HYDRAULIC ACTUATOR AND METHOD FOR OPERATING

#6
20250027516
2025-01-23

PILOT PRESSURE CONTROL DEVICE

#7
20240410400
2024-12-12

Method and system for a flow-isolated valve arrangement and a three-chamber cylinder hydraulic architecture

#8
20240369082
2024-11-07

CONTROLLING A HYDRAULIC POWER UNIT FOR MATERIAL TESTING

#9
20240301899
2024-09-12

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

#10
20240218890
2024-07-04

RELIEF PRESSURE CONTROL DEVICE

#11
20240167488
2024-05-23

FLUID CIRCUIT

#12
20240026905
2024-01-25

Discretized valve state control for multi-level hydraulic systems

#13
20230332630
2023-10-19

Method for Controlling a Hydraulic System and Hydraulic Control System

#14
20230304514
2023-09-28

Gas-powered drive system and operating method

#15
20220228607
2022-07-21

Pressurizing device

#16
20220196044
2022-06-23

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

#17
20220163054
2022-05-26

Linear actuator assembly and system

#18
20220120297
2022-04-21

Method for Operating a Hydraulic Drive

#19
20220097117
2022-03-31

Sheet metal working machine

#20
20220061219
2022-03-03

Windrow merger with active weight transfer system

#21
20220025910
2022-01-27

SELF-CONTAINED ENERGY EFFICIENT HYDRAULIC ACTUATOR SYSTEM

#22
20220010818
2022-01-13

Variable hydraulic pressure relief systems and methods for a material handling vehicle

#23
20210356975
2021-11-18

Valve device, system and method

#24
20210339811
2021-11-04

Predictively Adjustable Hydraulic Pressure Rails

#25
20210332838
2021-10-28

Adaptive friction minimization for electrohydraulic actuators

#26
20210239137
2021-08-05

System to pump fluid and control thereof

#27
20210231140
2021-07-29

Method for controlling the movement of a boom, and work machine

#28
20210229924
2021-07-29

Hydraulic drive motor control system

#29
20210180619
2021-06-17

Discretized valve state control for multi-level hydraulic systems

#30
20210105994
2021-04-15

POSITIONING APPARATUS FOR AN AGRICULTURAL DISTRIBUTION MACHINE

#31
20210062831
2021-03-04

Variable hydraulic pressure relief systems and methods for a material handling vehicle

#32
20210061633
2021-03-04

Variable hydraulic pressure relief systems and methods for a material handling vehicle

#33
20210034082
2021-02-04

Pressure regulator

#34
20200347854
2020-11-05

Linear Actuator Assembly and System

#35
20200262677
2020-08-20

Systems and methods for controlling working fluid in hydraulic elevators

#36
20200224682
2020-07-16

Linear actuator assembly and system

#37
20200221637
2020-07-16

Crop machine with an electronically controlled hydraulic cylinder flotation system

#38
20200182269
2020-06-11

Soft-bodied actuator with pinched configuration

#39
20200063762
2020-02-27

Spinning Machine or Winder and Method for Operating a Spinning Machine or Winder

#40
20190358692
2019-11-28

Double-blank detecting apparatus for press machine and die protecting apparatus for press machine

#41
20190316609
2019-10-17

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

#42
20190309842
2019-10-10

Method for operating a pneumatic actuating system of a transmission and control device for carrying out the method

#43
20190270129
2019-09-05

Cushion pin pressure equalizing device, die cushion device with cushion pin pressure equalizing function and cushion pin pressure equalizing method

#44
20190256066
2019-08-22

BRAKE SYSTEM

#45
20190226503
2019-07-25

Discretized valve state control for multi-level hydraulic systems

#46
20190219154
2019-07-18

ELECTROHYDRAULIC SYSTEM FOR OPERATING CLUTCH(ES) AND GEAR SELECTOR(S) OF SHIFT GEARBOXES

#47
20190219070
2019-07-18

Motor control device

#48
20190143540
2019-05-16

Actuator device and control method

#49
20190093756
2019-03-28

Hydraulic system for a transmission of a motor vehicle

#50
20190093682
2019-03-28

Optimized method for controlling position and crossover pressure in a double acting actuator

#51
20190063468
2019-02-28

Hydraulic pressure variation in a legged robot

#52
20190063039
2019-02-28

Hydraulic energy regeneration system for work machine

#53
20190029182
2019-01-31

Computer controlled hydraulic conditioner roll tensioning adjustment

#54
20190010965
2019-01-10

Hydraulic apparatus comprising synthetically commutated machine, and operating method

#55
20190010964
2019-01-10

System to pump fluid and control thereof

#56
20180359920
2018-12-20

Crop machine with an electronically controlled hydraulic cylinder flotation system

#57
20180347598
2018-12-06

Hydraulic drive system of construction machine

#58
20180327082
2018-11-15

Hydraulic actuation system

#59
20180320711
2018-11-08

Adaptive control of hydraulic tool on remote controlled demolition robot

#60
20180305898
2018-10-25

Construction machine

#61
20180202468
2018-07-19

Variable hydraulic pressure relief systems and methods for a material handling vehicle

#62
20180202467
2018-07-19

Hydraulic drive device and method for controlling the same

#63
20180180071
2018-06-28

Operating cylinder device with at least one operating cylinder unit with mechanical position safety and operating method

#64
20180180069
2018-06-28

Closed loop and/or open loop control method for an electropneumatic field device

#65
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

#66
20180153102
2018-06-07

Crop machine with an electronically controlled hydraulic cylinder flotation system

#67
20180153101
2018-06-07

Crop machine with an electronically controlled hydraulic cylinder flotation system

#68
20180112682
2018-04-26

Electropneumatic positioner and a field device having an electro-pneumatic positioner

#69
20180112467
2018-04-26

Dual pressure logic for a track drill circuit

#70
20180099711
2018-04-12

Predictively adjustable hydraulic pressure rails

#71
20180043998
2018-02-15

Remote hydraulic utility system for an aircraft

#72
20180022441
2018-01-25

Electronically controlled rotary actuator for an aircraft control surface

#73
20170241448
2017-08-24

Control device for hydraulic traveling device

#74
20170218981
2017-08-03

Hydraulic pressure variation in a legged robot

#75
20170211597
2017-07-27

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

#76
20170191505
2017-07-06

Discretized valve state control for multi-level hydraulic systems

#77
20170146035
2017-05-25

Linear actuator assembly and system

#78
20170114807
2017-04-27

Linear actuator assembly and system

#79
20170021583
2017-01-26

Machine press

#80
20160298659
2016-10-13

Detecting end of stroke in a hydraulic motor

#81
20160245312
2016-08-25

Pneumatic actuation system and method

#82
20160195112
2016-07-07

Piston-cylinder unit and method for operating same

#83
20160131162
2016-05-12

Hydraulic control system for controlling a moveable device

#84
20160102685
2016-04-14

Self-contained energy efficient hydraulic actuator system

#85
20160084274
2016-03-24

System to pump fluid and control thereof

#86
20160023699
2016-01-28

Predictively adjustable hydraulic pressure rails

#87
20150345112
2015-12-03

Work vehicle and work vehicle control method

#88
20150316077
2015-11-05

Method for operating a hydraulic device with pump and servomotor, and associated hydraulic device

#89
20150308463
2015-10-29

Smooth control of hydraulic actuator

#90
20150300378
2015-10-22

Hydraulic control device for work machine

#91
20150299987
2015-10-22

Construction machine

#92
20150292644
2015-10-15

Balanced electronically controlled pressure regulating valve

#93
20150224557
2015-08-13

Hydraulic drawing cushion of a drawing press and method of operating the hydraulic cushion

#94
20150075360
2015-03-19

Hydraulic control circuit and its control method

#95
20150027113
2015-01-29

Method for operating a hydraulic system and brake system

#96
20150013323
2015-01-15

Circuit pressure control device, hydraulic control circuit using circuit pressure control unit, and hydraulic control circuit of construction machine

#97
20140196627
2014-07-17

Railcar damping device

#98
20140178164
2014-06-26

Machine having hydraulically actuated implement system with combined ride control and downforce control system

#99
20140123847
2014-05-08

Hydraulic excavator

#100
20140117263
2014-05-01

Pneumatic drive system and method for operating the pneumatic drive system

#101
20140116241
2014-05-01

Electropneumatic control device and electropneumatic subassembly

#102
20140116038
2014-05-01

Hydraulic system with open loop electrohydraulic pressure compensation

#103
20140033689
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#104
20140023523
2014-01-23

Closed loop drive circuit with external brake assist

#105
20130205765
2013-08-15

Method for controlling a hydraulic system of a working machine

#106
20130004278
2013-01-03

Hydraulic control system having swing energy recovery

#107
20130000288
2013-01-03

Hydraulic control system having variable pressure relief

#108
20120291873
2012-11-22

Hydraulic circuit

#109
20120227391
2012-09-13

Device and method for controlling hydraulic pump of construction machinery

#110
20120204549
2012-08-16

CONDITIONAL LOAD SENSE CONTROL

#111
20120198827
2012-08-09

Hydraulic drive system

#112
20120124989
2012-05-24

Hydraulic Power Unit With Auto-Load Sensing

#113
20120000191
2012-01-05

Hydraulic driving device for work machine

#114
20110265544
2011-11-03

Hydraulic cylinder for a hydraulic drawing cushion

#115
20110179783
2011-07-28

Device to actively control the vibrations of an articulated arm to pump concrete

#116
20110061375
2011-03-17

Hydraulic drive system

#117
20110000203
2011-01-06

Hydraulic system having multiple actuators and an associated control method

#118
20100229970
2010-09-16

Valve apparatus

#119
20100154404
2010-06-24

Hydraulic system

#120
20090308068
2009-12-17

CONTROL CIRCUIT FOR CONSTRUCTION MACHINE

#121
20090266429
2009-10-29

Hydraulic pressure control apparatus

#122
20090247357
2009-10-01

Method for activating an actuating means

#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
20090193801
2009-08-06

Hydraulic drive system

#125
20090151347
2009-06-18

Operation Control Circuit for Construction Machine

#126
20090084102
2009-04-02

Hydrostatic drive

#127
20090071218
2009-03-19

Die cushion apparatus of press machine

#128
20090056531
2009-03-05

Lifting mechanism, and method for triggering a lifting mechanism

#129
20080296522
2008-12-04

Relief pressure switching apparatus for hydraulic working machine

#130
20080271596
2008-11-06

Actuator using fluid cylinder and method of controlling the same

#131
20080250781
2008-10-16

Method of controlling a hydrostatic drive

#132
20080243274
2008-10-02

Control method and controller for a mechanohydraulic system

#133
20080223030
2008-09-18

Hydraulic driving device for operating machine

#134
20080016861
2008-01-24

Hydraulic controller for working machine

#135
20070277519
2007-12-06

Lifting gear valve arrangement

#136
20070239412
2007-10-11

Method and system for achieving force control in externally driven hydraulic cylinders

#137
20070209503
2007-09-13

Hydraulic system with mechanism for relieving pressure trapped in an actuator

#138
20070089408
2007-04-26

HYDRAULIC CONTROLLER FOR WORKING MACHINE

#139
20070084201
2007-04-19

Device and method for controlling the position of a pneumatic actuator

#140
20070059146
2007-03-15

Loading implement

#141
20070044465
2007-03-01

Independent metering valve control system and method

#142
20070025176
2007-02-01

Batch mixer

#143
20070012171
2007-01-18

Hydraulic drive

#144
20060263189
2006-11-23

SYSTEM AND A METHOD FOR MOVING AN IMPLEMENT OF A VEHICLE

#145
20060236689
2006-10-26

Apparatus and method for controlling a pump flow of heavy construction equipment

#146
20060179831
2006-08-17

Semi-active ride control for a mobile machine

#147
20060156713
2006-07-20

Hydraulic drive system

#148
20060130554
2006-06-22

Device for applying a working power to a workpiece

#149
20050138924
2005-06-30

Hydraulic drive apparatus

#150
20050118036
2005-06-02

Regulatory device comprising a threshold valve control valve

#151
20050098401
2005-05-12

Enhanced computer optimized adaptive suspension system and method

#152
20050087065
2005-04-28

Hydraulic system for a work machine