ClassID:

146218

F15B2211/20515 - page 2 - CPC Classification

Classification description:

Circuits for servomotor systems; Fluid pressure source, e.g. accumulator or variable axial piston pump; Systems with pumps; Type of prime mover Electric motor

Recent Application in this class:
#301
20120240566
2012-09-27

Hydraulic controller

#302
20120233995
2012-09-20

Hybrid operating machine

#303
20120220177
2012-08-30

Trim/tilt apparatus for marine vessel propulsion machine

#304
20120189463
2012-07-26

Hydraulic pump operating device and method for use in hydraulic system

#305
20120093968
2012-04-19

HYDRAULIC DRIVE CIRCUIT WITH PARALLEL ARCHITECTURED ACCUMULATOR

#306
20120070312
2012-03-22

CONTROLLED HYDRAULIC SYSTEMS

#307
20120048029
2012-03-01

Hydraulic system and universal testing machine

#308
20120023924
2012-02-02

VARIABLE HYDRAULIC SYSTEM

#309
20110290353
2011-12-01

Hydraulic system for aircraft actuators

#310
20110289911
2011-12-01

HYDRAULIC SYSTEM AND METHOD OF ACTIVELY DAMPING OSCILLATIONS DURING OPERATION THEREOF

#311
20110270498
2011-11-03

Control device for hybrid construction machine

#312
20110268588
2011-11-03

CONTROLLER OF HYBRID CONSTRUCTION MACHINE

#313
20110266390
2011-11-03

Hydraulic apparatus for aircraft actuators

#314
20110265467
2011-11-03

Control device for hybrid construction machine

#315
20110252777
2011-10-20

Systems and methods for improving drivetrain efficiency for compressed gas energy storage

#316
20110248196
2011-10-13

Electro-hydraulic actuator including a release valve assembly

#317
20110238264
2011-09-29

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

#318
20110209471
2011-09-01

Velocity control of unbalanced hydraulic actuator subjected to over-center load conditions

#319
20110208363
2011-08-25

Method of controlling an electro-hydraulic actuator system having multiple actuators

#320
20110158821
2011-06-30

HYDRAULIC CIRCUIT AND METHOD FOR CONTROLLING THE SAME

#321
20110146262
2011-06-23

Electrohydraulic actuator with a pump incorporated in the piston

#322
20110088797
2011-04-21

Fluid-pressure actuator unit

#323
20110088385
2011-04-21

Fluid pressure actuator unit

#324
20110082610
2011-04-07

Controller of hybrid construction machine

#325
20110072810
2011-03-31

Controller of hybrid construction machine

#326
20110060491
2011-03-10

Device for controlling hybrid construction machine

#327
20110056194
2011-03-10

HYDRAULIC SYSTEM FOR HEAVY EQUIPMENT

#328
20110056192
2011-03-10

TECHNIQUE FOR CONTROLLING PUMPS IN A HYDRAULIC SYSTEM

#329
20110036083
2011-02-17

Hydraulic system with a pressure ripple reduction device

#330
20110035102
2011-02-10

Control device for hybrid construction machine

#331
20110030364
2011-02-10

Flow management system for hydraulic work machine

#332
20100308179
2010-12-09

Electric power actuator and control method for such an actuator

#333
20100293937
2010-11-25

Hydraulic drive with an independent charge pump

#334
20100287924
2010-11-18

Dual pump hydraulic system

#335
20100229544
2010-09-16

Systems and methods for improving drivetrain efficiency for compressed gas energy storage

#336
20100212521
2010-08-26

Drive device for a bending press

#337
20100193714
2010-08-05

HYDRAULIC ACTUATOR

#338
20100155192
2010-06-24

Hydraulic system

#339
20100129250
2010-05-27

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

#340
20100107620
2010-05-06

Rotary flow control valve with energy recovery

#341
20100078234
2010-04-01

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

#342
20100036568
2010-02-11

Method for operating a working machine and a working machine with an improved ability to meet transient loads

#343
20100032597
2010-02-11

Electrohydraulic control system for the actuation of an actuator in a motor vehicle

#344
20090320460
2009-12-31

Aircraft Auxiliary Systems Pump

#345
20090288408
2009-11-26

HYDRAULIC CIRCUIT, ENERGY RECOVERY DEVICE, AND HYDRAULIC CIRCUIT FOR WORK MACHINE

#346
20090287373
2009-11-19

Control system for a work machine and method for controlling a hydraulic cylinder

#347
20090266934
2009-10-29

Hydraulic fluid supply device and electric actuator

#348
20090221197
2009-09-03

Tilt and trim device for outboard motor

#349
20090202370
2009-08-13

Hydraulic system

#350
20090173923
2009-07-09

Lifting system

#351
20090165457
2009-07-02

Double redundancy electro hydrostatic actuator system

#352
20090165450
2009-07-02

Hydraulic system

#353
20090126360
2009-05-21

HYDRAULIC SYSTEM WITH ACCUMULATOR ASSIST

#354
20090111060
2009-04-30

Exposure method

#355
20090097986
2009-04-16

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

#356
20090077837
2009-03-26

Work machine

#357
20090071218
2009-03-19

Die cushion apparatus of press machine

#358
20090071142
2009-03-19

Hydraulic control device for vehicular hydraulic control circuit

#359
20090050222
2009-02-26

Three-way poppet valve with intermediate pilot port

#360
20090036264
2009-02-05

Work machine

#361
20080314038
2008-12-25

Swing drive device and work machine

#362
20080302099
2008-12-11

Method for controlling a hydraulic cylinder and control system for a work machine

#363
20080295505
2008-12-04

Method for springing a movement of an implement of a work machine

#364
20080295504
2008-12-04

Method for controlling a hydraulic cylinder in a work machine

#365
20080294316
2008-11-27

Method for controlling a hydraulic cylinder in a work machine and control system for a work machine

#366
20080292474
2008-11-27

Method for controlling a hydraulic machine in a control system

#367
20080223030
2008-09-18

Hydraulic driving device for operating machine

#368
20080210485
2008-09-04

Control system for frame-steering of a vehicle and method for controlling two steering cylinders in a frame-steered vehicle

#369
20080164115
2008-07-10

Hydraulic circuit for controlling a hybrid clutch and an automatic transmission of a motor vehicle

#370
20080141668
2008-06-19

Electrohydraulic drawing press cushion drive

#371
20080128214
2008-06-05

Energy recovering method and system in hydraulic lift device of battery operated industrial trucks

#372
20080112818
2008-05-15

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

#373
20080034956
2008-02-14

Fluid pressure unit and fluid pressure unit control method

#374
20070261861
2007-11-15

Downhole electrical-to-hydraulic conversion module for well completions

#375
20070251400
2007-11-01

Platen Press

#376
20070204603
2007-09-06

Actuator control system and method

#377
20070199315
2007-08-30

Apparatus and methods for actuation

#378
20070169473
2007-07-26

HYDRAULIC CIRCUIT

#379
20070166168
2007-07-19

CONTROL SYSTEM FOR A WORK MACHINE AND METHOD FOR CONTROLLING A HYDRAULIC CYLINDER IN A WORK MACHINE

#380
20070163759
2007-07-19

Fluid cooling device

#381
20070101711
2007-05-10

Servo-motor controlled hydraulic press, hydraulic actuator, and methods of positioning various devices

#382
20070095060
2007-05-03

Hydraulic pressure supply unit

#383
20070062183
2007-03-22

Pump device

#384
20060207247
2006-09-21

Actuator

#385
20060168956
2006-08-03

Hydraulic controller and hydraulic drive unit provided with said hydraulic controller

#386
20060150621
2006-07-13

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

#387
20060120892
2006-06-08

Hydraulic system for mining equipment and method of adjusting power of rock drill machine

#388
20060090949
2006-05-04

Hydrostatic drive system

#389
20060090462
2006-05-04

Energy regeneration system for working machinery

#390
20060090461
2006-05-04

Energy regeneration system for machines

#391
20060081411
2006-04-20

Power steering apparatus

#392
20060070378
2006-04-06

Closed-system electrohydraulic actuator

#393
20060054443
2006-03-16

Hydraulic system, in particular for motor vehicles

#394
20060026955
2006-02-09

Pressure-medium-actuated actuation device, in particular for a vehicle steering apparatus

#395
20050265852
2005-12-01

Fluid pressure control device

#396
20050246082
2005-11-03

Working machine driving unit

#397
20050198950
2005-09-15

Hydraulic lifting device for battery-operated industrial trucks

#398
20050144939
2005-07-07

Hydraulic actuating device for a convertible top assembly of a vehicle

#399
20050132702
2005-06-23

Continuously variable torque shredder drive

#400
20050103007
2005-05-19

Power system and work machine using same

#401
20050103006
2005-05-19

Power system and work machine using same

#402
20050072397
2005-04-07

Control device for at least one consumer, such as a camshaft adjuster, automatic transmission and the like, of motor vehicles

#403
20050001606
2005-01-06

Hybrid construction machine having auxiliary battery and control apparatus thereof

#404
20050001567
2005-01-06

Actuator driving device of working machine

#405
18769110
2025-11-11

Construction machine and hydraulic system thereof

#406
18516414
2025-02-25

Power control system for traction and implement pump motors of electric machine

#407
17565477
2022-12-06

Hydraulic power generating system

#408
16983504
2023-08-22

Hydraulic pump with alternate power system

#409
16876295
2021-06-22

Hydraulic cylinder assembly

#410
15954393
2020-08-18

Side inflow and side outflow hydraulic pump

#411
15820066
2019-03-05

Hydraulic tilt and trim device