ClassID:

146223

F15B2211/20553 - CPC Classification

Classification description:

Circuits for servomotor systems; Fluid pressure source, e.g. accumulator or variable axial piston pump; Systems with pumps; Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate

Recent Application in this class:
#1
20260126059
2026-05-07

REFUSE VEHICLE CONTROL SYSTEMS AND METHODS

#2
20250347299
2025-11-13

HYBRID ELECTRO-HYDRAULIC LOAD SENSING SYSTEM AND CONTROL METHOD THEREOF

#3
20250305523
2025-10-02

WORKING MACHINE AND CONTROL METHOD THEREFOR

#4
20250137475
2025-05-01

Calibration System in Hydraulic System

#5
20250027515
2025-01-23

ELECTROHYDRAULIC CONTROL DEVICE AND ADJUSTABLE HYDRAULIC PUMP SYSTEM

#6
20240425104
2024-12-26

SYSTEM ARCHITECTURES FOR STEERING AND WORK FUNCTIONS IN A WHEEL LOADER

#7
20240369078
2024-11-07

PUMP CONTROL SHOCK ABSORBER

#8
20240360850
2024-10-31

ACTUATOR DEADHEAD/STALL DETECTION IN A LOAD SENSE HYDRAULIC SYSTEM

#9
20240344533
2024-10-17

REFUSE VEHICLE CONTROL SYSTEMS AND METHODS

#10
20240151003
2024-05-09

Work machine

#11
20240068492
2024-02-29

Calibration system and calibration method in hydraulic system

#12
20240026908
2024-01-25

Arrangement for operating a hydraulic consumer

#13
20240003120
2024-01-04

Hydraulic control circuit for implement

#14
20230417260
2023-12-28

Smart flow dual pump hydraulic system

#15
20230294759
2023-09-21

Hydraulic system switchable between fixed- displacement and fixed/variable-displacement, control method thereof and working machine

#16
20230279879
2023-09-07

Electrohydraulic control device and adjustable hydraulic pump system

#17
20230265866
2023-08-24

Refuse vehicle control systems and methods

#18
20230203787
2023-06-29

HYDRAULIC SYSTEM FOR WORKING MACHINE

#19
20230167622
2023-06-01

Work Machine

#20
20230041899
2023-02-09

Electrohydraulic proportional pressure control for open circuit pump

#21
20230021137
2023-01-19

WORKING MACHINE

#22
20220251805
2022-08-11

Pin actuation system and method

#23
20220127823
2022-04-28

Work machine

#24
20220065272
2022-03-03

Hydraulic variable pump set and excavator

#25
20210372088
2021-12-02

Fluid circuit

#26
20210324880
2021-10-21

Refuse vehicle control systems and methods

#27
20210309287
2021-10-07

SYSTEM ARCHITECTURES FOR STEERING AND WORK FUNCTIONS IN A WHEEL LOADER

#28
20210262464
2021-08-26

Positive displacement pump including an unloading device

#29
20210131455
2021-05-06

Hydraulic control arrangement for supplying pressure medium to at least two hydraulic consumers

#30
20210131069
2021-05-06

Hydraulic drive system for construction machine

#31
20210062832
2021-03-04

Valve arrangement for pressure medium supply of a hydraulic consumer

#32
20210048043
2021-02-18

Hydraulic pressure supply device

#33
20210047928
2021-02-18

Variable displacement hydraulic unit and method for operating the hydraulic unit

#34
20210025373
2021-01-28

Electrohydraulic proportional pressure control for open circuit pump

#35
20210002868
2021-01-07

Work machine

#36
20200256326
2020-08-13

Hydraulic pump control system

#37
20200248719
2020-08-06

Hydraulic drive apparatus

#38
20200232558
2020-07-23

Hydraulic apparatus for stretching conductors for power lines

#39
20200217046
2020-07-09

Hydraulic drive system of construction machine

#40
20200190773
2020-06-18

Hydraulic work machine

#41
20200182371
2020-06-11

Proportional valve for fluid flow control and generation of load-sense signal

#42
20200132091
2020-04-30

Servohydraulic drive

#43
20200124194
2020-04-23

Load sensing type hydraulic system with hydraulic adjustment device

#44
20200048859
2020-02-13

Hydraulic system for working machine

#45
20190309737
2019-10-10

Viscous material pump with adjustable limitation of the delivery pressure

#46
20190285068
2019-09-19

Positive displacement pump including an unloading device

#47
20190194006
2019-06-27

Hydraulic driving system

#48
20190112786
2019-04-18

Pump control system of work machine

#49
20190024677
2019-01-24

Load-dependent hydraulic fluid flow control system

#50
20180372217
2018-12-27

Variable displacement hydraulic pump with torque sensing and method thereof

#51
20180354485
2018-12-13

Fluid delivery system

#52
20180347599
2018-12-06

VALVE DEVICE

#53
20180347598
2018-12-06

Hydraulic drive system of construction machine

#54
20180347153
2018-12-06

Pressure compensation unit

#55
20180335056
2018-11-22

Electronically controlled valve, hydraulic pump, and hydraulic pump system

#56
20180266447
2018-09-20

Pump-controlled hydraulic circuits for operating a differential hydraulic actuator

#57
20180258615
2018-09-13

System and method for reducing fuel consumption of a work vehicle

#58
20180238027
2018-08-23

Hydraulic pump control system of hydraulic working machine

#59
20180230978
2018-08-16

Electrohydraulic proportional pressure control for open circuit pump

#60
20180223816
2018-08-09

Pump

#61
20180172039
2018-06-21

Energy recovery system and method for hydraulic tool

#62
20180156242
2018-06-07

Hydraulic drive system for construction machine

#63
20180135660
2018-05-17

ELECTRONICALLY CONTROLLED VALVE, HYDRAULIC PUMP, AND HYDRAULIC PUMP SYSTEM

#64
20180106018
2018-04-19

Construction machine

#65
20180100593
2018-04-12

Fluid control spool

#66
20180100525
2018-04-12

Load sensing hydraulic system for a working machine, and a method for controlling a load sensing hydraulic system

#67
20180002007
2018-01-04

Duplicated hydraulic circuit with pressure regulation

#68
20170370382
2017-12-28

Hydraulic drive system

#69
20170356471
2017-12-14

Hydrostatic displacement unit with reduced hysteresis

#70
20170350376
2017-12-07

HYDRAULIC PUMP

#71
20170314578
2017-11-02

Hydraulic pressure supply system

#72
20170314553
2017-11-02

Positive displacement pump including an unloading device

#73
20170306590
2017-10-26

Hydraulic drive system of construction machine

#74
20170274930
2017-09-28

SYSTEM ARCHITECTURES FOR STEERING AND WORK FUNCTIONS IN A WHEEL

#75
20170254308
2017-09-07

Hydrostatic drive

#76
20170234338
2017-08-17

Hydrostatic drive

#77
20170130747
2017-05-11

Intelligent load-sensing electro-hydrostatic actuator

#78
20170107696
2017-04-20

Work machine

#79
20170107691
2017-04-20

Method for controlling swing motor in hydraulic system and hydraulic system

#80
20170089332
2017-03-30

Pump-regulator combination with power limitation

#81
20170081826
2017-03-23

Compact wheel loader

#82
20170067226
2017-03-09

Hydraulic driving system for construction machine

#83
20170009784
2017-01-12

Hydraulic control system and method

#84
20170009430
2017-01-12

Working machine control system

#85
20170009429
2017-01-12

Working machine control system

#86
20160376769
2016-12-29

Hydraulic drive system for working machine including track device of crawler type

#87
20160348335
2016-12-01

Liquid-pressure driving system

#88
20160340871
2016-11-24

Engine and Pump Control Device and Working Machine

#89
20160333900
2016-11-17

Hydraulic drive system for construction machine

#90
20160312807
2016-10-27

Hydraulic system including independent metering valve with flowsharing

#91
20160290370
2016-10-06

Construction equipment hydraulic system and control method therefor

#92
20160289055
2016-10-06

Forklift and control method of forklift

#93
20160265561
2016-09-15

Hydraulic drive system for construction machine

#94
20160258133
2016-09-08

Hydraulic drive system for construction machine

#95
20160222990
2016-08-04

Hydraulic drive system

#96
20160153432
2016-06-02

Pump

#97
20160047399
2016-02-18

Method, device, and system for controlling hydraulic pump of construction machine

#98
20160047398
2016-02-18

Apparatus for controlling hydraulic pump for construction machine

#99
20160002888
2016-01-07

Variable load sense open center hybrid system

#100
20150377258
2015-12-31

Hydraulic drive system for construction machine

#101
20150330415
2015-11-19

Hydraulic drive system for construction machine

#102
20150330271
2015-11-19

Valve device for a hydraulic circuit and oil pump regulating arrangement

#103
20150330059
2015-11-19

Liquid-pressure drive system and construction machine including same

#104
20150285214
2015-10-08

Switchable hydrostatic adjusting device

#105
20150275468
2015-10-01

Hydraulic system for working machine

#106
20150275445
2015-10-01

Vehicle for line marking

#107
20150273554
2015-10-01

Hydraulic press brake

#108
20150240800
2015-08-27

Oil-well-pump driving hydraulic system

#109
20150232269
2015-08-20

Clutched hydraulic system for a refuse vehicle

#110
20150226349
2015-08-13

Valve arrangement

#111
20150211501
2015-07-30

Tilting angle control device

#112
20150204054
2015-07-23

Hydraulic drive system for construction machine

#113
20150136251
2015-05-21

Hydraulic control assembly

#114
20150040553
2015-02-12

Hybrid working machine

#115
20150033728
2015-02-05

Hydrostatic drive, in particular hydrostatic fan drive

#116
20150020516
2015-01-22

Hydraulic circuit

#117
20140366951
2014-12-18

Method for controlling lowering of an implement of a working machine

#118
20140366518
2014-12-18

Hydraulic system of construction machine

#119
20140311139
2014-10-23

Hydrostatic variable displacement pump which can be set in either direction of displacement

#120
20140212300
2014-07-31

Hydrostatic power unit as hydraulic starter of an internal combustion engine

#121
20140174549
2014-06-26

Proportional flow control of a fluid pump assembly

#122
20140109989
2014-04-24

Hydraulic valve arrangement

#123
20140103233
2014-04-17

Hydraulic valve arrangement and hydraulic machine arrangement having a valve arrangement of this kind

#124
20140064998
2014-03-06

Hydraulic motor assembly for an aerial refueling system

#125
20130333367
2013-12-19

Hydraulic circuit for pipe layer

#126
20130227936
2013-09-05

Hydraulic drive system for construction machine having exhaust gas purification device

#127
20130220425
2013-08-29

Flow sensing based variable pump control technique in a hydraulic system with open center control valves

#128
20130213503
2013-08-22

Hydraulic control arrangement

#129
20130199631
2013-08-08

Pressure/flow regulator

#130
20130146162
2013-06-13

Pressure compensated hydraulic system having differential pressure control

#131
20130126010
2013-05-23

Valve arrangement

#132
20130098464
2013-04-25

Closed-loop hydraulic system having regeneration configuration

#133
20130098022
2013-04-25

Control device for a hydraulic pump of construction machinery

#134
20130081386
2013-04-04

System and method for controlling charging of an accumulator in an electro-hydraulic system

#135
20130073111
2013-03-21

Control device for an electric actuator

#136
20130048117
2013-02-28

Meterless hydraulic system having displacement control valve

#137
20130047599
2013-02-28

Meterless hydraulic system having load-holding bypass

#138
20130047592
2013-02-28

Meterless hydraulic system having restricted primary makeup

#139
20130014499
2013-01-17

Methods for safe operation of hydraulic hybrid vehicles with over-center pump/motors

#140
20130000292
2013-01-03

Electronic high hydraulic pressure cutoff to improve system efficiency

#141
20120324875
2012-12-27

OPTIMIZED SYSTEM RESPONSE WITH MULTIPLE COMMANDS

#142
20120317964
2012-12-20

Hydrostatic circuits with variable charge and variable flushing systems

#143
20120304631
2012-12-06

Hydraulic fluid system

#144
20120301325
2012-11-29

PUMP SYSTEM HAVING OPEN-LOOP TORQUE CONTROL

#145
20120285157
2012-11-15

Pump control unit for hydraulic system

#146
20120260642
2012-10-18

Load holding for meterless control of actuators

#147
20120260641
2012-10-18

Overrunning pump protection for flow-controlled actuators

#148
20120216871
2012-08-30

Split valve pump controlled hydraulic system

#149
20120134849
2012-05-31

Character parameters obtaining method for displacement control mechanism of hydraulic pump and detecting device for carrying out the method

#150
20120096843
2012-04-26

Work vehicle lifting performance

#151
20120085946
2012-04-12

Valve device

#152
20120085440
2012-04-12

Flow summation system for controlling a variable displacement hydraulic pump

#153
20120067443
2012-03-22

Hydraulic system for working machine

#154
20120039726
2012-02-16

METHOD FOR OPERATING A HYDRAULIC APPARATUS OF A TRANSMISSION DEVICE

#155
20120036845
2012-02-16

Hydraulic control apparatus for work machine

#156
20110268587
2011-11-03

Control of a fluid pump assembly

#157
20110262287
2011-10-27

Hydraulic pump controller for construction machine

#158
20110240146
2011-10-06

Control device for hybrid construction machine

#159
20110238264
2011-09-29

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

#160
20110186691
2011-08-04

Aircraft

#161
20110146283
2011-06-23

Engine lug-down suppressing device for hydraulic work machinery

#162
20110146259
2011-06-23

Hydraulic system

#163
20110138799
2011-06-16

Control system for swashplate pump

#164
20110094214
2011-04-28

High response hydraulic actuator

#165
20110079006
2011-04-07

Method and apparatus for controlling a variable displacement hydraulic pump

#166
20110060508
2011-03-10

Method for controlling a hydraulic system

#167
20110030363
2011-02-10

Open center hydraulic system

#168
20110011071
2011-01-20

Hydraulic system

#169
20100310386
2010-12-09

Hydraulic damping assembly and regulating system

#170
20100303643
2010-12-02

Fan Drive System

#171
20100300086
2010-12-02

HYDRAULIC CONTROL ARRANGEMENT AND DISTRIBUTION VALVE SECTION

#172
20100293937
2010-11-25

Hydraulic drive with an independent charge pump

#173
20100252354
2010-10-07

Differential pressure control

#174
20100218493
2010-09-02

Torque control apparatus for construction machine three-pump system

#175
20100186402
2010-07-29

Pump torque control system for hydraulic construction machine

#176
20100176324
2010-07-15

Load sensing directional control valve with an element having priority under saturation conditions

#177
20100167873
2010-07-01

Engine control device, and its control method

#178
20100154404
2010-06-24

Hydraulic system

#179
20100154403
2010-06-24

System and method for operating a variable displacement hydraulic pump

#180
20100154401
2010-06-24

Hydraulic control system having flow force compensation

#181
20100139476
2010-06-10

Valve arrangement having individual pressure scale and load-lowering valve

#182
20100129250
2010-05-27

Auxiliary energy-accumulation and flow-enhancement device for hydraulic system of concrete pump

#183
20100071543
2010-03-25

Hydraulic apparatus

#184
20100024412
2010-02-04

Control apparatus for working vehicle

#185
20090304528
2009-12-10

Pump equipment

#186
20090293470
2009-12-03

Over-loading prevention device of construction machinery

#187
20090282824
2009-11-19

Concrete agitating drum driving device

#188
20090266934
2009-10-29

Hydraulic fluid supply device and electric actuator

#189
20090266070
2009-10-29

Post-pressure compensated hydraulic control valve with load sense pressure limiting

#190
20090173067
2009-07-09

Hydraulic control valve system with isolated pressure compensation

#191
20090151347
2009-06-18

Operation Control Circuit for Construction Machine

#192
20090133761
2009-05-28

Control valve unit with alternating stop

#193
20090113887
2009-05-07

Hydraulic Drive Device

#194
20090107132
2009-04-30

HYDRAULIC SUPPLY SYSTEM WITH AN ADJUSTABLE PUMP

#195
20090094972
2009-04-16

Hydraulic control assembly

#196
20090053078
2009-02-26

Hydraulic control system

#197
20090050222
2009-02-26

Three-way poppet valve with intermediate pilot port

#198
20090044527
2009-02-19

Hydraulic control system

#199
20090031721
2009-02-05

Method and an arrangement for controlling pump displacement in a work vehicle

#200
20090031719
2009-02-05

Hydraulic Drive System

#201
20090007556
2009-01-08

Hydraulic control system

#202
20080307783
2008-12-18

Load sense boost device

#203
20080271793
2008-11-06

Load-Pressure-Operated Flow Rate Regulator with Vibration Damping

#204
20080256940
2008-10-23

Hydraulic control device

#205
20080236157
2008-10-02

Engine lag down suppressing device of construction machinery

#206
20080236156
2008-10-02

Electro hydrostatic actuator with swash plate pump

#207
20080202111
2008-08-28

Load sense boost device

#208
20080112818
2008-05-15

Auxiliary Energy-Accumulation And Flow-Enhancement Device For Hydraulic System Of Concrete Pump

#209
20080110509
2008-05-15

Hydraulic pump flow shut-off valve

#210
20080104952
2008-05-08

Hydraulic circuit

#211
20080078456
2008-04-03

HYDROSTATIC VARIABLE UNIT WITH A SERVO SYSTEM AND A VALVE UNIT CONTROLLING THE SERVO SYSTEM

#212
20080072588
2008-03-27

Control system for hydraulic construction machine

#213
20080047423
2008-02-28

Fluid system with signal-mimicking device and associated method

#214
20080041049
2008-02-21

Hydraulic stepless speed changing device

#215
20080017259
2008-01-24

Pressure Cutoff Valve Unit and Hydraulic Circuit Equipped with It

#216
20080016862
2008-01-24

Hydraulic Switching Arrangement, Particularly for the Drive of Concrete Spreader Masts

#217
20080016861
2008-01-24

Hydraulic controller for working machine

#218
20080008536
2008-01-10

Laying apparatus for cables, lines, conductors or suchlike, and relative laying method

#219
20070283688
2007-12-13

Arrangement And A Method For Controlling A Work Vehicle

#220
20070277519
2007-12-06

Lifting gear valve arrangement

#221
20070253840
2007-11-01

Control system using a single proportional valve

#222
20070227135
2007-10-04

Integrated load-sensing hydraulic system

#223
20070199440
2007-08-30

Hydraulic system for utility vehicles, in particular agricultural tractors

#224
20070101710
2007-05-10

Hydraulic system for utility vehicles, in particular agricultural tractors

#225
20070089408
2007-04-26

HYDRAULIC CONTROLLER FOR WORKING MACHINE

#226
20070084357
2007-04-19

Drive mechanism

#227
20070057571
2007-03-15

Hydraulic control system for heavy construction equipment

#228
20070007039
2007-01-11

Arrangement for controlling rock drilling

#229
20060277905
2006-12-14

Hydraulic control device of industrial machinery

#230
20060236689
2006-10-26

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

#231
20060230751
2006-10-19

Electro-hydraulic system for fan driving and brake charging

#232
20060207248
2006-09-21

Hydraulic circuit of construction machinery

#233
20060196180
2006-09-07

Method of creating feedback control in a closed hydrostatic circuit and a control system therefore

#234
20060196179
2006-09-07

Load-sensing integrated brake and fan hydraulic system

#235
20060191262
2006-08-31

Hydraulic control valve system with electronic load sense control

#236
20060174614
2006-08-10

Control devices for swashplate type variable displacement piston pump

#237
20060156914
2006-07-20

Hydraulic control

#238
20060137337
2006-06-29

Fluid pump control device for wheel loaders

#239
20060130473
2006-06-22

Hydraulic control device for controlling a boom-swing frame combined motion in an excavator

#240
20060099081
2006-05-11

Method and apparatus for controlling hydraulic pump for working machine of working vehicle

#241
20060090949
2006-05-04

Hydrostatic drive system

#242
20060080955
2006-04-20

Hydraulic circuit device of hydraulic working machine

#243
20060018765
2006-01-26

Arrangement and a method for controlling a work vehicle

#244
20060011360
2006-01-19

Monitoring valve, rock drilling apparatus and a method for controlling at least two hydraulic actuators to such a monitoring valve and rock drilling apparatus

#245
20050284143
2005-12-29

Fluid circuit for feeding primary and auxiliary users with preset priorities

#246
20050241304
2005-11-03

Method and a device for controlling a vehicle and a computer program for performing the method

#247
20050207898
2005-09-22

Hydraulic cylinder suspension method

#248
20050204736
2005-09-22

Hydraulic control device for working machine

#249
20050132702
2005-06-23

Continuously variable torque shredder drive

#250
20050118036
2005-06-02

Regulatory device comprising a threshold valve control valve

#251
20050115234
2005-06-02

Electro-hydraulic actuation system

#252
20050089374
2005-04-28

Laying apparatus for cables, lines, conductors or suchlike, and relative laying method

#253
20050071064
2005-03-31

Signal processing system for construction machine

#254
17589949
2023-03-07

Pressure compensation valve with load-sense fluid signal generation and a reverse free flow configuration integrated therewith

#255
17443836
2022-07-05

Flow management of a hydraulic system

#256
17443834
2022-07-05

Flow management of a hydraulic system

#257
17162359
2022-04-26

System and method for controlling hydraulic fluid flow within a work vehicle

#258
17162296
2021-10-12

System and method for controlling hydraulic fluid flow within a work vehicle

#259
16214577
2020-04-21

Proportional valve for fluid flow control

#260
15187193
2019-11-19

Drive device