ClassID:

146448

F15B2211/7053 - CPC Classification

Classification description:

Circuits for servomotor systems; Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators; Linear output members Double-acting output members

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

LINEAR ACTUATOR ASSEMBLY AND SYSTEM

#2
20260078778
2026-03-19

PILOT OPERATED BLOW-OFF VALVES FOR HYDRAULIC ACTUATORS

#3
20260049622
2026-02-19

OPEN AND CLOSED CIRCUIT PARALLEL DRIVE SYSTEM AND CONTROL METHOD BASED ON A FOUR-CHAMBER HYDRAULIC CYLINDER

#4
20250361883
2025-11-27

HYDRAULIC SYSTEM

#5
20250305521
2025-10-02

THREE-POSITION CONTROL DEVICE AND THREE-POSITION CONTROL METHOD

#6
20250198122
2025-06-19

Wheeled Construction Machine

#7
20250101997
2025-03-27

HYDRAULIC CYLINDER AND SYSTEM WITH PRESSURE INTENSIFICATION

#8
20250027518
2025-01-23

HYDRAULIC ACTUATOR AND METHOD FOR OPERATING

#9
20250012299
2025-01-09

PILOT OPERATED BLOW-OFF VALVES FOR HYDRAULIC ACTUATORS

#10
20250012051
2025-01-09

WORK MACHINE

#11
20240401614
2024-12-05

Hydraulic Drive System Having a 2X2Q Pump Unit

#12
20240384732
2024-11-21

Actuating Device for at Least One Fluidically Drivable Consumer

#13
20240367312
2024-11-07

Robot

#14
20240271526
2024-08-15

PNEUMATIC DEVICE WITH A MOVABLY MOUNTED PISTON

#15
20240229965
2024-07-11

Structure of Pneumatic Actuator

#16
20240191728
2024-06-13

Hydraulic Pump

#17
20240159253
2024-05-16

ELECTRO-HYDRAULIC ACTUATOR SYSTEMS AND METHODS OF OPERATING THE SAME

#18
20240117821
2024-04-11

Pneumatic cylinder system

#19
20240084829
2024-03-14

Hydraulic Drive for a Hydraulic Consumer Alternately Pressurized in Opposite Directions during Operation

#20
20240009055
2024-01-11

Traverse dental chair and a sensor assembly for monitoring positions thereof

#21
20230340973
2023-10-26

Pressure-medium cylinder having a static end-position seal

#22
20230292670
2023-09-21

Baler connectable to a tractor for providing round bales and method for producing round bales

#23
20230258206
2023-08-17

Hydraulic Regeneration Circuit with Multiple Speeds

#24
20230139226
2023-05-04

Controller and method for hydraulic apparatus

#25
20230136316
2023-05-04

Robot

#26
20230131734
2023-04-27

Actuator predictive system

#27
20230085676
2023-03-23

Construction machine

#28
20230075340
2023-03-09

System and methods for controlled lowering and lifting of a load

#29
20230046319
2023-02-16

Dual power electro-hydraulic motion control system

#30
20230041577
2023-02-09

Gas circulation apparatus, gas circulation method, pneumatic apparatus, and semiconductor device

#31
20230040307
2023-02-09

Submersible hydraulic power units with interchangeable manifolds

#32
20230021137
2023-01-19

WORKING MACHINE

#33
20220349426
2022-11-03

Air cylinder, head cover, and rod cover

#34
20220347023
2022-11-03

Hydraulic system for a mobile rescue stretcher and mobile rescue stretcher

#35
20220333619
2022-10-20

Flow rate controller and drive device

#36
20220333617
2022-10-20

ELECTRO-HYDROSTATIC ACTUATION SYSTEM

#37
20220333349
2022-10-20

Hydraulic unit

#38
20220316501
2022-10-06

Flow rate controller and drive device equipped with same

#39
20220290407
2022-09-15

Hydraulic system, mining machine and method of controlling hydraulic actuator

#40
20220242295
2022-08-04

Closed center hoist valve with snubbing

#41
20220194564
2022-06-23

Aircraft hydraulic actuation system with chambers for hydraulic fluid

#42
20220163054
2022-05-26

Linear actuator assembly and system

#43
20220159896
2022-05-26

Negative downforce system for ground engaging machinery

#44
20220106766
2022-04-07

CONTROL UNIT FOR A HYDRAULIC SYSTEM

#45
20220097117
2022-03-31

Sheet metal working machine

#46
20220082171
2022-03-17

Hydraulic balancing control valve and ride control system incorporatng same

#47
20220074170
2022-03-10

Construction machine

#48
20220071089
2022-03-10

Controlled float on an agricultural harvester for header leveling

#49
20220049720
2022-02-17

Flow controller and driving apparatus including the same

#50
20220025914
2022-01-27

System, valve assembly, and methods for oscillation control of a hydraulic machine

#51
20210404486
2021-12-30

Flow rate controller and drive device comprising same

#52
20210372438
2021-12-02

Cylinder bypass

#53
20210356975
2021-11-18

Valve device, system and method

#54
20210332832
2021-10-28

Hydraulic system for baler implement gate

#55
20210329843
2021-10-28

Hydraulic dampening system for a rear gate of a round baler

#56
20210329824
2021-10-28

Rear steering cylinder dampening

#57
20210310504
2021-10-07

Actuator predictive system

#58
20210307313
2021-10-07

Control device for an application device and application device having a control device

#59
20210301839
2021-09-30

Pressure-booster output stabilizer

#60
20210301838
2021-09-30

Pressure booster

#61
20210270008
2021-09-02

Method and system to securely manage quick coupling of tools in an earth moving equipment

#62
20210239137
2021-08-05

System to pump fluid and control thereof

#63
20210239136
2021-08-05

Hydraulic axis with energy storage feature

#64
20210188072
2021-06-24

Hydraulic energy collection system

#65
20210162602
2021-06-03

Rotation connecting mechanism, robot, robot arm, and robot hand

#66
20210148386
2021-05-20

Hydraulic system for working machine

#67
20210148384
2021-05-20

Open center hydraulic system and valve

#68
20210123206
2021-04-29

Hydraulic system for working machine

#69
20210108657
2021-04-15

FLUID CIRCUIT FOR AIR CYLINDERS

#70
20210102626
2021-04-08

Hydraulic system of work machine and work machine

#71
20210102558
2021-04-08

Pressure booster and cylinder apparatus provided with same

#72
20210077332
2021-03-18

Traverse dental chair and a sensor assembly for monitoring positions thereof

#73
20210071392
2021-03-11

Construction machine

#74
20210048043
2021-02-18

Hydraulic pressure supply device

#75
20210046956
2021-02-18

Centering apparatus for hopper car doors

#76
20210010492
2021-01-14

Pistonless double-acting cylinder apparatus cross-reference to related applications

#77
20200399859
2020-12-24

Hydraulic Accumulator Assembly

#78
20200391846
2020-12-17

Spoiler droop function with mechanical feedback driving hydraulic valve

#79
20200391743
2020-12-17

Control apparatus for vehicle

#80
20200376710
2020-12-03

Concrete product machine apron plate gap adjustment

#81
20200347854
2020-11-05

Linear Actuator Assembly and System

#82
20200318318
2020-10-08

Power system for a work machine

#83
20200309161
2020-10-01

System and method including a fluidic actuator and a pressurized fluid provision device

#84
20200291970
2020-09-17

Method to automatically detect parameter for pressure dynamics control

#85
20200291613
2020-09-17

Hydraulic system

#86
20200277972
2020-09-03

Prime mover system and methods utilizing balanced flow within bi-directional power units

#87
20200270840
2020-08-27

Hydraulic system for a vehicle as well as a vehicle with such a hydraulic system

#88
20200263392
2020-08-20

Vibration suppression control circuit

#89
20200256353
2020-08-13

Logic-controlled flow compensation circuit for operating single-rod hydrostatic actuators

#90
20200232180
2020-07-23

Construction machine

#91
20200224764
2020-07-16

Hydraulic system of work machine and work machine

#92
20200224682
2020-07-16

Linear actuator assembly and system

#93
20200224387
2020-07-16

System and methods for controlled lowering and lifting of a load

#94
20200221643
2020-07-16

Baler connectable to a tractor for providing round bales and method for producing round bales

#95
20200165797
2020-05-28

Dynamic open center hydraulic system control

#96
20200132091
2020-04-30

Servohydraulic drive

#97
20200096015
2020-03-26

Apparatus for controlling a hydraulic machine

#98
20200072250
2020-03-05

Hydraulic system combining two or more hydraulic functions

#99
20200060065
2020-02-27

Filter system for an agricultural implement

#100
20200049266
2020-02-13

Pilot operated blow-off valves for hydraulic actuators

#101
20200040547
2020-02-06

Work machine

#102
20200039762
2020-02-06

Height-adjusting device for a gripping and transporting means for containers

#103
20200030149
2020-01-30

Redundant pneumatic circuit for reliability enhancement of vitrectomy instruments

#104
20200029485
2020-01-30

Implement control system having a manual override

#105
20200025224
2020-01-23

Fluid pressure cylinder

#106
20200025223
2020-01-23

Piston assembly for rephasing a fluid-driven actuator

#107
20200022300
2020-01-23

System for controlling the operation of an actuator mounted on a seed planting implement

#108
20200018328
2020-01-16

Dual power electro-hydraulic motion control system

#109
20200011353
2020-01-09

Mast with hydraulic circuit for assist cylinder

#110
20200010181
2020-01-09

Aircraft landing gear steering systems and methods with enhanced shimmy protection

#111
20200002920
2020-01-02

Hydraulic system for working machine

#112
20200002919
2020-01-02

Lifting mechanism suspension and lifting mechanism

#113
20190376533
2019-12-12

Actuator limit controller

#114
20190360603
2019-11-28

Fluid pressure valve

#115
20190359257
2019-11-28

Track-type machine propulsion system having independent track controls integrated to joysticks

#116
20190352884
2019-11-21

Construction machine

#117
20190345695
2019-11-14

Hydraulic drive unit of hydraulic excavator

#118
20190330819
2019-10-31

Quick coupler circuit and quick coupler attachment/detachment method

#119
20190329741
2019-10-31

Support apparatus

#120
20190316692
2019-10-17

Hydraulic balancing control valve and ride control system incorporating same

#121
20190316433
2019-10-17

System for the operational and performance efficiency improvement of wireline tractors

#122
20190309842
2019-10-10

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

#123
20190309771
2019-10-10

Hydraulic fluid circuit with fixed minimum back pressure

#124
20190301142
2019-10-03

Hydraulic system for working machine

#125
20190301139
2019-10-03

Hydraulic control circuit for an articulation assembly

#126
20190299174
2019-10-03

Adhesive and sealant mixers with automatic stroke length adjustment

#127
20190292753
2019-09-26

Construction machine

#128
20190277311
2019-09-12

HYDRAULIC SYSTEM AND METHOD OF CONTROLLING HYDRAULIC ACTUATOR

#129
20190277310
2019-09-12

Driving method and driving device of fluid pressure cylinder

#130
20190276292
2019-09-12

HYDRAULIC DRIVE DEVICE FOR CARGO VEHICLE

#131
20190271333
2019-09-05

Hydraulic excavator drive system

#132
20190249396
2019-08-15

Hydraulic drive device for work vehicle

#133
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

#134
20190240832
2019-08-08

Three-rotational-degree-of-freedom connection mechanism, robot, robot arm, and robot hand

#135
20190234300
2019-08-01

Length-adjustable piston rod with a control device that can be hydraulically actuated and a switching valve that can be electromagnetically actuated, a reciprocating piston engine and a vehicle

#136
20190226504
2019-07-25

Electrohydraulic actuator

#137
20190211849
2019-07-11

Fluid power distribution and control system

#138
20190203746
2019-07-04

System for recovering energy from a hydraulic actuator

#139
20190203743
2019-07-04

HYDRAULIC NO-BACK DEVICE

#140
20190203444
2019-07-04

Electro hydraulic drive and control system

#141
20190194998
2019-06-27

Pneumatic control system

#142
20190194910
2019-06-27

Hydraulic drive system for electrically-driven hydraulic work machine

#143
20190194904
2019-06-27

Construction machine

#144
20190186106
2019-06-20

Work machine

#145
20190186105
2019-06-20

Work machine

#146
20190178242
2019-06-13

Hydraulic drive

#147
20190176912
2019-06-13

Fifth wheel assembly safety coupling arrangement

#148
20190170163
2019-06-06

Electrohydraulic drive unit

#149
20190143540
2019-05-16

Actuator device and control method

#150
20190113057
2019-04-18

Arrangement and method for operating a hydraulic cylinder

#151
20190101141
2019-04-04

Method and apparatus for controlling a double-acting pneumatic actuator

#152
20190101138
2019-04-04

Hydraulic system for working machine

#153
20190093682
2019-03-28

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

#154
20190093310
2019-03-28

Implement vibration system and method

#155
20190091746
2019-03-28

Simultaneous push-pull workstation for frame straightening

#156
20190084615
2019-03-21

Work vehicle and control method for work vehicle

#157
20190063512
2019-02-28

POWER TRANSMISSION APPARATUS FOR VEHICLE

#158
20190063473
2019-02-28

System and method for rephasing fluid-driven actuators

#159
20190063472
2019-02-28

Low profile electro-hydrostatic actuator

#160
20190063468
2019-02-28

Hydraulic pressure variation in a legged robot

#161
20190063039
2019-02-28

Hydraulic energy regeneration system for work machine

#162
20190055963
2019-02-21

Hydraulic circuit for controlling a movable component

#163
20190040878
2019-02-07

FOUR-WAY CONTROL VALVE FOR PNEUMATIC CHARGING AND DISCHARGING OF WORKING VESSEL

#164
20190033162
2019-01-31

Simple leakage detection in a hydraulic cylinder unit

#165
20190032686
2019-01-31

SYSTEM AND METHOD FOR PNEUMATICALLY CHARGING AND DISCHARGING A WORKING VESSEL USING 2-WAY VALVES AND 3-WAY VALVES

#166
20190029165
2019-01-31

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

#167
20190017520
2019-01-17

Servo governor by PWM

#168
20190010966
2019-01-10

Intelligent boom control with rapid system cycling

#169
20190010964
2019-01-10

System to pump fluid and control thereof

#170
20190009702
2019-01-10

Transportation vehicle

#171
20190003497
2019-01-03

Hydraulic cylinder spool valve device

#172
20180371988
2018-12-27

Length-adjustable connecting rod with electromagnetically-actuatable switching valve

#173
20180370775
2018-12-27

Offshore crane heave compensation control system and method using visual ranging

#174
20180364128
2018-12-20

Pressure sensor for detecting a pressure differential

#175
20180363682
2018-12-20

FLUID POWER CONTROL SYSTEM FOR MOBILE LOAD HANDLING EQUIPMENT

#176
20180362072
2018-12-20

Hydraulic steering device

#177
20180355892
2018-12-13

Fluid control valve

#178
20180347598
2018-12-06

Hydraulic drive system of construction machine

#179
20180347293
2018-12-06

Multi-mode hydraulic cylinder control system for hydraulic workover unit

#180
20180347149
2018-12-06

Work machine operation assistance device

#181
20180328386
2018-11-15

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

#182
20180292278
2018-10-11

Method for estimating an external force acting on an electrohydrostatic actuator

#183
20180291935
2018-10-11

HYDRAULIC DRIVE SYSTEM OF CONSTRUCTION MACHINE

#184
20180274600
2018-09-27

Automatic transmission

#185
20180266447
2018-09-20

Pump-controlled hydraulic circuits for operating a differential hydraulic actuator

#186
20180258962
2018-09-13

Cylinder acceleration mechanism

#187
20180251958
2018-09-06

Hydraulic driving apparatus of work machine

#188
20180245312
2018-08-30

Work machine hydraulic drive device

#189
20180215116
2018-08-02

Residual load relief system for hydraulic compactors having rotary pumps

#190
20180209450
2018-07-26

HYDRAULIC UPPER LINK

#191
20180202475
2018-07-19

HYDRAULIC ACTUATOR WITH MECHANICAL PISTON POSITION FEEDBACK

#192
20180202467
2018-07-19

Hydraulic drive device and method for controlling the same

#193
20180195537
2018-07-12

Pneumatic valve drive

#194
20180180066
2018-06-28

Apparatus and methods for the control of hydraulic actuators

#195
20180156247
2018-06-07

Double-acting hydraulic cylinder

#196
20180142710
2018-05-24

Hydraulic drive with rapid stroke and load stroke

#197
20180142445
2018-05-24

Electro-hydraulic feed delivery system

#198
20180128607
2018-05-10

Method to automatically detect the area ratio of an actuator

#199
20180128292
2018-05-10

Control strategy for hydraulic actuator with a pair of independent metering valves

#200
20180128290
2018-05-10

Method to automatically detect parameter for pressure dynamics control

#201
20180106018
2018-04-19

Construction machine

#202
20180094655
2018-04-05

Cylinder operating condition monitoring device

#203
20180073524
2018-03-15

HYDRAULIC ACTUATOR CONTROL SYSTEM

#204
20180066785
2018-03-08

Pressure and headloss maintaining valve system for clean and dirty water systems

#205
20180045303
2018-02-15

Hydraulic system for a motor vehicle transmission

#206
20180042167
2018-02-15

Electronic latching circuit

#207
20180022442
2018-01-25

System for actuating a control surface of an aircraft

#208
20180017087
2018-01-18

Hydraulic actuator control circuit

#209
20180003257
2018-01-04

Compensator device

#210
20180002896
2018-01-04

Drive control method of hydraulic actuator of construction machine

#211
20170370382
2017-12-28

Hydraulic drive system

#212
20170363122
2017-12-21

Apparatus for recuperating hydraulic energy with energy-efficient replenishment of the rod sides of differential cylinders and simultaneous pressure intensification

#213
20170363113
2017-12-21

Variable pressure control system for dual acting actuators

#214
20170350426
2017-12-07

Hydraulic actuating drive having a spring for transferring into an emergency position

#215
20170314585
2017-11-02

Fluid-operated apparatus, method, and circuit

#216
20170298590
2017-10-19

Hydraulic drive system for work machine

#217
20170284388
2017-10-05

Industrial system with synthetically commutated variable displacement fluid working machine

#218
20170276155
2017-09-28

Hydraulic drive system for work machine

#219
20170276151
2017-09-28

HYDRAULIC CIRCUIT FOR CONSTRUCTION EQUIPMENT

#220
20170275852
2017-09-28

Hydraulic control system for construction machine

#221
20170261009
2017-09-14

HYDRAULIC CONTROL DEVICE

#222
20170241454
2017-08-24

Device for recuperation of hydraulic energy and working machine with corresponding device

#223
20170241448
2017-08-24

Control device for hydraulic traveling device

#224
20170234334
2017-08-17

Hydraulic drive system for work machine

#225
20170234333
2017-08-17

Actuator controller and method for regulating the movement of an actuator

#226
20170218981
2017-08-03

Hydraulic pressure variation in a legged robot

#227
20170211597
2017-07-27

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

#228
20170204887
2017-07-20

Shovel

#229
20170198730
2017-07-13

Hydraulic apparatus

#230
20170184139
2017-06-29

Method of controlling velocity of a hydraulic actuator in over-center linkage systems

#231
20170184137
2017-06-29

Hydraulic ram with a side load sensor

#232
20170175782
2017-06-22

Construction machinery

#233
20170146035
2017-05-25

Linear actuator assembly and system

#234
20170138335
2017-05-18

HYDROSTATIC RADIAL PISTON MACHINE

#235
20170130739
2017-05-11

System and method of hydraulic energy recovery for machine start-stop and machine ride control

#236
20170114807
2017-04-27

Linear actuator assembly and system

#237
20170114805
2017-04-27

Prime mover system and methods utilizing balanced flow within bi-directional power units

#238
20170089365
2017-03-30

Actuator limit controller

#239
20170073932
2017-03-16

Hydraulic fluid energy recovery system for work

#240
20170058486
2017-03-02

Hydraulic drive apparatus for construction machine

#241
20170051629
2017-02-23

Actuator control

#242
20170023028
2017-01-26

Vacuum powered lifting mechanism

#243
20170023025
2017-01-26

Apparatus for the energy-optimized hydraulic control of at least one double-action working cylinder

#244
20160348340
2016-12-01

Construction machine

#245
20160312442
2016-10-27

Control system of hybrid construction machine

#246
20160249530
2016-09-01

Hydraulic arrangement for a lifting unit

#247
20160230900
2016-08-11

Valve device

#248
20160230789
2016-08-11

ACTUATOR PREDICTIVE SYSTEM

#249
20160215481
2016-07-28

Control system for hybrid construction machine

#250
20160214158
2016-07-28

Simultaneous push-pull workstation for frame straightening

#251
20160208824
2016-07-21

Hydraulic actuators

#252
20160169253
2016-06-16

Variable pressure control system for dual acting actuators

#253
20160160884
2016-06-09

Systems and methods for selectively engaged regeneration of a hydraulic system

#254
20160153473
2016-06-02

Shovel

#255
20160131162
2016-05-12

Hydraulic control system for controlling a moveable device

#256
20160091004
2016-03-31

Method for controlling pressure in a hydraulic actuator

#257
20160084279
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#258
20160084274
2016-03-24

System to pump fluid and control thereof

#259
20160076558
2016-03-17

Method of increasing electro-hydrostatic actuator piston velocity

#260
20160062368
2016-03-03

Position controller for a pneumatic field device

#261
20160061225
2016-03-03

Hydraulic valve arrangement

#262
20160053778
2016-02-25

Apparatus and method for controlling spool displacement of construction machine

#263
20160032945
2016-02-04

Hydraulic system for construction machine

#264
20160025114
2016-01-28

Actuator limit controller

#265
20150377264
2015-12-31

Hydraulic system for construction machinery

#266
20150361998
2015-12-17

Hydraulic system with energy recovery

#267
20150330527
2015-11-19

Directional control valve with spool delay mechanism

#268
20150330413
2015-11-19

Hydraulic circuit for construction machine

#269
20150300383
2015-10-22

Passive piston hydraulic device with partition

#270
20150292183
2015-10-15

Hydraulic system for work machine

#271
20150285278
2015-10-08

Vacuum powered lifting mechanism

#272
20150275938
2015-10-01

Control system for hybrid construction machine

#273
20150275930
2015-10-01

Pump device and hydraulic actuator

#274
20150275929
2015-10-01

Pump device and hydraulic actuator

#275
20150273554
2015-10-01

Hydraulic press brake

#276
20150260205
2015-09-17

Void protection system

#277
20150260204
2015-09-17

Cylinder driving apparatus

#278
20150247304
2015-09-03

Implement system having hydraulic start assist

#279
20150184683
2015-07-02

Actuator

#280
20150184681
2015-07-02

Actuator

#281
20150176610
2015-06-25

Hydraulic drive system

#282
20150152900
2015-06-04

Control system for construction machine

#283
20150152894
2015-06-04

Actuator unit

#284
20150152890
2015-06-04

Construction machine and controller

#285
20150152887
2015-06-04

Fail-safe actuation system

#286
20150152842
2015-06-04

Wind energy system with a pitch adjustment system

#287
20150142183
2015-05-21

Control device for a hydraulic cylinder unit with an individual valve controller

#288
20150135697
2015-05-21

Driving device for work machine and work machine equipped therewith

#289
20150107236
2015-04-23

Hydraulic closed circuit system

#290
20150096291
2015-04-09

Fluid pressure control device

#291
20150096290
2015-04-09

Hydraulic system

#292
20150052888
2015-02-26

Hydraulic system

#293
20150033723
2015-02-05

Hydraulic system

#294
20150013320
2015-01-15

Hydraulic drive system

#295
20150007557
2015-01-08

Boom driving device

#296
20140373519
2014-12-25

Electro-hydraulic system with float function

#297
20140366951
2014-12-18

Method for controlling lowering of an implement of a working machine

#298
20140366519
2014-12-18

Hydraulic closed circuit system

#299
20140350731
2014-11-27

Driver self-tuning method using electro-hydraulic actuator system

#300
20140345265
2014-11-27

Hydraulic drive system