ClassID:

146435

F15B2211/6651 - CPC Classification

Classification description:

Circuits for servomotor systems; Circuit components or control therefor; Methods of control using electronic components Control of the prime mover, e.g. control of the output torque or rotational speed

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

LINEAR ACTUATOR ASSEMBLY AND SYSTEM

#2
20260022714
2026-01-22

HYDRAULIC SYSTEM AND WORKING MACHINE

#3
20250361883
2025-11-27

HYDRAULIC SYSTEM

#4
20250347299
2025-11-13

HYBRID ELECTRO-HYDRAULIC LOAD SENSING SYSTEM AND CONTROL METHOD THEREOF

#5
20250043805
2025-02-06

METHOD FOR CONTROLLING THE ROTATION SPEED OF A MOTOR

#6
20240401614
2024-12-05

Hydraulic Drive System Having a 2X2Q Pump Unit

#7
20240344532
2024-10-17

HYDRAULIC POWER UNIT FOR MATERIAL TESTING

#8
20240328440
2024-10-03

METHOD AND SYSTEM FOR CONTROLLING FLOW COMMANDS

#9
20240279912
2024-08-22

RELIEF SET-PRESSURE ADJUSTMENT SYSTEM

#10
20240159253
2024-05-16

ELECTRO-HYDRAULIC ACTUATOR SYSTEMS AND METHODS OF OPERATING THE SAME

#11
20240141885
2024-05-02

Hydraulic pump performance deterioration detection system

#12
20240077092
2024-03-07

Hydraulic pump performance deterioration detection system

#13
20240077091
2024-03-07

Hydraulic pump performance deterioration detection system

#14
20240026908
2024-01-25

Arrangement for operating a hydraulic consumer

#15
20230339605
2023-10-26

Hydraulic actuator including a multi-head piston for hydraulic gearing

#16
20230339604
2023-10-26

Hydraulic actuator including a multi-head piston for hydraulic gearing

#17
20230323635
2023-10-12

Work machine

#18
20230167629
2023-06-01

Control architecture for prime mover stall prevention

#19
20230151584
2023-05-18

System and method for heating the hydraulic fluid of an electric work vehicle

#20
20230085676
2023-03-23

Construction machine

#21
20230060393
2023-03-02

Electronic control unit, hydraulic system, and method for controlling a hydraulic system

#22
20230020058
2023-01-19

Multi-rotor hydraulic drone

#23
20220177084
2022-06-09

Hydraulic system for stabilizer drive

#24
20220163054
2022-05-26

Linear actuator assembly and system

#25
20220136535
2022-05-05

Hydraulic circuit including hydraulic decompression energy reclamation

#26
20220120297
2022-04-21

Method for Operating a Hydraulic Drive

#27
20220097117
2022-03-31

Sheet metal working machine

#28
20220025910
2022-01-27

SELF-CONTAINED ENERGY EFFICIENT HYDRAULIC ACTUATOR SYSTEM

#29
20210339811
2021-11-04

Predictively Adjustable Hydraulic Pressure Rails

#30
20210324610
2021-10-21

Engine power management strategy

#31
20210239137
2021-08-05

System to pump fluid and control thereof

#32
20200347854
2020-11-05

Linear Actuator Assembly and System

#33
20200332496
2020-10-22

SYSTEMS AND METHODS FOR CONTROL OF A WORK VEHICLE

#34
20200315513
2020-10-08

Pressure monitoring system

#35
20200262677
2020-08-20

Systems and methods for controlling working fluid in hydraulic elevators

#36
20200248729
2020-08-06

Device having hybrid hydraulic-electric architecture

#37
20200224682
2020-07-16

Linear actuator assembly and system

#38
20200180253
2020-06-11

Apparatus for controlling the switch-over of hydraulic cylinders

#39
20200139525
2020-05-07

Pressing tool

#40
20190358692
2019-11-28

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

#41
20190345695
2019-11-14

Hydraulic drive unit of hydraulic excavator

#42
20190284782
2019-09-19

Construction machine

#43
20190276292
2019-09-12

HYDRAULIC DRIVE DEVICE FOR CARGO VEHICLE

#44
20190270129
2019-09-05

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

#45
20190219154
2019-07-18

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

#46
20190219070
2019-07-18

Motor control device

#47
20190194910
2019-06-27

Hydraulic drive system for electrically-driven hydraulic work machine

#48
20190194909
2019-06-27

Construction machine

#49
20190162207
2019-05-30

Hydraulic system with servo drive and hydraulic load and control unit for the hydraulic system

#50
20190143540
2019-05-16

Actuator device and control method

#51
20190112789
2019-04-18

Hydraulic system for working machine

#52
20190063472
2019-02-28

Low profile electro-hydrostatic actuator

#53
20190063468
2019-02-28

Hydraulic pressure variation in a legged robot

#54
20190048899
2019-02-14

Hydraulic device that controls pulsation in first oil by increasing rotation number of second pump

#55
20190048898
2019-02-14

Hydraulic control device

#56
20190048868
2019-02-14

Hydraulic control device

#57
20190048864
2019-02-14

HYDRAULIC SYSTEM, SMART POWER UNIT AND OPERATION METHOD OF THE SYSTEM

#58
20190032306
2019-01-31

Control system, work machine, and control method

#59
20190010965
2019-01-10

Hydraulic apparatus comprising synthetically commutated machine, and operating method

#60
20190010964
2019-01-10

System to pump fluid and control thereof

#61
20180347480
2018-12-06

Hydraulic system and method for controlling same

#62
20180328386
2018-11-15

Method and device for controlling a hydraulically actuated drive unit of a valve

#63
20180327997
2018-11-15

Work vehicle and method of controlling work vehicle

#64
20180305899
2018-10-25

Control system and work machine

#65
20180292278
2018-10-11

Method for estimating an external force acting on an electrohydrostatic actuator

#66
20180209121
2018-07-26

Construction machinery and method of controlling construction machinery

#67
20180195254
2018-07-12

Apparatus and method for controlling construction machine

#68
20180119391
2018-05-03

Hydraulic drive system of construction machine

#69
20180099711
2018-04-12

Predictively adjustable hydraulic pressure rails

#70
20180043998
2018-02-15

Remote hydraulic utility system for an aircraft

#71
20180038079
2018-02-08

Hydraulic drive system of work machine

#72
20180022441
2018-01-25

Electronically controlled rotary actuator for an aircraft control surface

#73
20170314578
2017-11-02

Hydraulic pressure supply system

#74
20170284388
2017-10-05

Industrial system with synthetically commutated variable displacement fluid working machine

#75
20170268203
2017-09-21

In-vehicle dynometer

#76
20170254308
2017-09-07

Hydrostatic drive

#77
20170241448
2017-08-24

Control device for hydraulic traveling device

#78
20170218981
2017-08-03

Hydraulic pressure variation in a legged robot

#79
20170198730
2017-07-13

Hydraulic apparatus

#80
20170198458
2017-07-13

Control device and control method for construction machine

#81
20170146035
2017-05-25

Linear actuator assembly and system

#82
20170145659
2017-05-25

Work vehicle having a work implement

#83
20170130747
2017-05-11

Intelligent load-sensing electro-hydrostatic actuator

#84
20170121944
2017-05-04

Control device and working machine

#85
20170114807
2017-04-27

Linear actuator assembly and system

#86
20170099845
2017-04-13

System and method for dough extrusion

#87
20170089038
2017-03-30

Hydraulic drive system for electrically-operated hydraulic work machine

#88
20170021583
2017-01-26

Machine press

#89
20160356021
2016-12-08

Shovel and method of controlling shovel

#90
20160348342
2016-12-01

Hydraulic system of construction machinery and method of controlling hydraulic system

#91
20160341168
2016-11-24

Hydrostatic drive system

#92
20160290369
2016-10-06

Hydraulic system and method for controlling same

#93
20160281745
2016-09-29

Integration of swing energy recovery and engine anti-idling systems

#94
20160228978
2016-08-11

Pressure welding device and pressure welding method using an advance drive designed as an electrohydraulic direct drive

#95
20160215478
2016-07-28

Construction machine

#96
20160186786
2016-06-30

Controller Apparatus for an Electro-Hydraulic Drive Unit

#97
20160123354
2016-05-05

Shovel and method of controlling shovel

#98
20160102685
2016-04-14

Self-contained energy efficient hydraulic actuator system

#99
20160091004
2016-03-31

Method for controlling pressure in a hydraulic actuator

#100
20160084274
2016-03-24

System to pump fluid and control thereof

#101
20160084271
2016-03-24

Method to detect hydraulic valve failure in hydraulic system

#102
20160069282
2016-03-10

Engine speed controller of work machine

#103
20160061236
2016-03-03

Method for controlling hydraulic system of construction machinery

#104
20160047398
2016-02-18

Apparatus for controlling hydraulic pump for construction machine

#105
20160023699
2016-01-28

Predictively adjustable hydraulic pressure rails

#106
20160003266
2016-01-07

Work machine

#107
20150316077
2015-11-05

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

#108
20150308463
2015-10-29

Smooth control of hydraulic actuator

#109
20150308080
2015-10-29

Integrated control apparatus and method for engine and hydraulic pump in construction machine

#110
20150275927
2015-10-01

Electro-hydrostatic actuator deceleration rate control system

#111
20150267719
2015-09-24

System and method for managing machine power system

#112
20150252820
2015-09-10

Hydraulic driving apparatus for working machine

#113
20150232269
2015-08-20

Clutched hydraulic system for a refuse vehicle

#114
20150226234
2015-08-13

Hydraulic actuator system

#115
20150224557
2015-08-13

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

#116
20150218780
2015-08-06

Construction machine

#117
20150159681
2015-06-11

Fluid pressure actuator

#118
20150152894
2015-06-04

Actuator unit

#119
20150135693
2015-05-21

Engine control apparatus for work machine and engine control method thereof

#120
20150066313
2015-03-05

Control device and construction machine provided therewith

#121
20150047335
2015-02-19

Mixer drum driving apparatus including a plurality of motors configured to drive an auxiliary fluid pressure pump to rotate

#122
20150040553
2015-02-12

Hybrid working machine

#123
20140350731
2014-11-27

Driver self-tuning method using electro-hydraulic actuator system

#124
20140230643
2014-08-21

Actuator displacement measurement system in electronic hydraulic system of construction equipment

#125
20140196627
2014-07-17

Railcar damping device

#126
20140174549
2014-06-26

Proportional flow control of a fluid pump assembly

#127
20140124323
2014-05-08

Hydraulic actuating device for actuation of at least one friction clutch and at least one gear setting element in a motor vehicle

#128
20140116039
2014-05-01

Apparatus for controlling/regulating the travel speed of a utility vehicle and method for same

#129
20140113038
2014-04-24

System and method for dough extrusion

#130
20140105756
2014-04-17

Fluid pump speed control

#131
20140050592
2014-02-20

Temperature detection method in a hydraulic arrangement

#132
20140039768
2014-02-06

Control system for construction machine

#133
20130318952
2013-12-05

Method for controlling a hydraulic pump of a wheel loader

#134
20130255241
2013-10-03

Method for controlling flow rate of attachment for construction equipment

#135
20130068885
2013-03-21

Landing gear retraction/extension device of aircraft

#136
20130008156
2013-01-10

Hydraulic actuating device for actuation of one or more setting elements in, in particular, a motor vehicle transmission

#137
20120260644
2012-10-18

Engine augmentation of hydraulic control system

#138
20120189463
2012-07-26

Hydraulic pump operating device and method for use in hydraulic system

#139
20120131912
2012-05-31

Aircraft actuator hydraulic system

#140
20120070312
2012-03-22

CONTROLLED HYDRAULIC SYSTEMS

#141
20120029775
2012-02-02

Hydraulic tool control that switches output

#142
20120023923
2012-02-02

Hydraulic tool that commands prime mover output

#143
20120023922
2012-02-02

Operator interface for hydraulic tool control

#144
20120023921
2012-02-02

Hydraulic tool control with electronically adjustable flow

#145
20110289911
2011-12-01

HYDRAULIC SYSTEM AND METHOD OF ACTIVELY DAMPING OSCILLATIONS DURING OPERATION THEREOF

#146
20110265544
2011-11-03

Hydraulic cylinder for a hydraulic drawing cushion

#147
20110264335
2011-10-27

ROBUST CONTROL FOR ENGINE ANTI-STALL

#148
20110238264
2011-09-29

Method of controlling hybrid working machine and method of controlling pump output of hybrid working machine

#149
20110173963
2011-07-21

Low speed hydraulic control for fine control of hydraulic cranes

#150
20110158821
2011-06-30

HYDRAULIC CIRCUIT AND METHOD FOR CONTROLLING THE SAME

#151
20110082610
2011-04-07

Controller of hybrid construction machine

#152
20110056192
2011-03-10

TECHNIQUE FOR CONTROLLING PUMPS IN A HYDRAULIC SYSTEM

#153
20100308179
2010-12-09

Electric power actuator and control method for such an actuator

#154
20100078234
2010-04-01

Hybrid electric vehicle traction motor driven power take-off control system

#155
20100050621
2010-03-04

Machine control system having hydraulic warmup procedure

#156
20100046318
2010-02-25

System and method for dough extrusion

#157
20090266429
2009-10-29

Hydraulic pressure control apparatus

#158
20090126361
2009-05-21

Pump torque controller of hydraulic working machine

#159
20090097986
2009-04-16

OIL PRESSURE UNIT AND SPEED CONTROL METHOD OF MOTOR IN OIL PRESSURE UNIT

#160
20090071218
2009-03-19

Die cushion apparatus of press machine

#161
20080223030
2008-09-18

Hydraulic driving device for operating machine

#162
20080034956
2008-02-14

Fluid pressure unit and fluid pressure unit control method

#163
20070119163
2007-05-31

Travel control device for hydraulically driven vehicle and hydraulically driven vehicle

#164
20060230752
2006-10-19

Hydraulic drive control device

#165
20060150621
2006-07-13

Method and apparatus for warm up control of autonomous inverter-driven hydraulic unit

#166
20060090462
2006-05-04

Energy regeneration system for working machinery

#167
20060090461
2006-05-04

Energy regeneration system for machines

#168
20060081411
2006-04-20

Power steering apparatus

#169
20060054443
2006-03-16

Hydraulic system, in particular for motor vehicles

#170
20060021340
2006-02-02

System and method for controlling viscosity of a fluid and a working vehicle containing such a system

#171
20050265852
2005-12-01

Fluid pressure control device

#172
20050144939
2005-07-07

Hydraulic actuating device for a convertible top assembly of a vehicle

#173
20050103006
2005-05-19

Power system and work machine using same

#174
20050001606
2005-01-06

Hybrid construction machine having auxiliary battery and control apparatus thereof