ClassID:

145969

F15B11/17 - page 2 - CPC Classification

Classification description:

Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps

Recent Application in this class:
#301
20150204359
2015-07-23

Construction machine

#302
20150204054
2015-07-23

Hydraulic drive system for construction machine

#303
20150184681
2015-07-02

Actuator

#304
20150176611
2015-06-25

Load sensing electric-proportional multi-way valve

#305
20150176251
2015-06-25

Driving control method for construction machine

#306
20150165887
2015-06-18

Hydrostatic drive with energy storage

#307
20150152890
2015-06-04

Construction machine and controller

#308
20150135697
2015-05-21

Driving device for work machine and work machine equipped therewith

#309
20150128583
2015-05-14

Travel control valve

#310
20150121860
2015-05-07

Hydraulic drive circuit

#311
20150113971
2015-04-30

Hydraulic control system

#312
20150113970
2015-04-30

Hydraulic system for construction machinery

#313
20150096290
2015-04-09

Hydraulic system

#314
20150089935
2015-04-02

Control valve apparatus of power shovel

#315
20150066313
2015-03-05

Control device and construction machine provided therewith

#316
20150059328
2015-03-05

FLUID PRESSURE DRIVE UNIT

#317
20150048188
2015-02-19

PTO DRIVEN CHIPPER SYSTEM

#318
20150047335
2015-02-19

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

#319
20150044007
2015-02-12

Hydraulic control device and construction machine provided with same

#320
20150040552
2015-02-12

Hydraulic circuit for construction machine and control device for same

#321
20150033727
2015-02-05

Hybrid construction machine

#322
20150033726
2015-02-05

Control system for a hybrid construction machine

#323
20150027570
2015-01-29

Hydraulic pressure supply system of automatic transmission for vehicle

#324
20150000752
2015-01-01

Fluid pressure regulating system

#325
20140366518
2014-12-18

Hydraulic system of construction machine

#326
20140366517
2014-12-18

System for reducing fuel consumption in excavator

#327
20140360173
2014-12-11

Hydrostatic drive system

#328
20140345265
2014-11-27

Hydraulic drive system

#329
20140334955
2014-11-13

Oil supply system

#330
20140283510
2014-09-25

Hydraulic drive system

#331
20140271066
2014-09-18

Independent load sensing for a vehicle hydraulic system

#332
20140123847
2014-05-08

Hydraulic excavator

#333
20140123640
2014-05-08

Construction machine

#334
20140119867
2014-05-01

Energy recovery system having integrated boom/swing circuits

#335
20140116546
2014-05-01

Regulator valve with axial vent

#336
20140083092
2014-03-27

Hydraulic circuit for construction equipment

#337
20140069088
2014-03-13

Lift system with follower system

#338
20140060025
2014-03-06

Hydraulic control system having electronic flow limiting

#339
20140023523
2014-01-23

Closed loop drive circuit with external brake assist

#340
20140007962
2014-01-09

Apparatus for improving excavating operation characteristic and grading operation characteristic of excavator

#341
20140007942
2014-01-09

Method for improving excavating operation characteristic and grading operation characteristic of excavator

#342
20140000737
2014-01-02

Zonal hydraulic systems and methods

#343
20130333367
2013-12-19

Hydraulic circuit for pipe layer

#344
20130318952
2013-12-05

Method for controlling a hydraulic pump of a wheel loader

#345
20130298545
2013-11-14

Hydrostatic system configured to be integrated in an excavator

#346
20130289835
2013-10-31

Drive control system for construction machinery

#347
20130269332
2013-10-17

ENERGY RECYCLING SYSTEM FOR A CONSTRUCTION APPARATUS

#348
20130139498
2013-06-06

CONTROL APPARATUS FOR A FIRST TOOL AND A SECOND TOOL

#349
20130098468
2013-04-25

Hydraulic distribution system employing a dual pump

#350
20130098452
2013-04-25

Hydraulic distribution system employing dual pumps

#351
20130098024
2013-04-25

Hydraulic system

#352
20130098020
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#353
20130098019
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#354
20130098018
2013-04-25

Hydraulic system

#355
20130098017
2013-04-25

Hydraulic system

#356
20130098016
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#357
20130098015
2013-04-25

Hydraulic system having flow combining capabilities

#358
20130098014
2013-04-25

Closed-loop hydraulic system having force modulation

#359
20130098013
2013-04-25

CLOSED-LOOP SYSTEM HAVING MULTI-CIRCUIT FLOW SHARING

#360
20130098011
2013-04-25

HYDRAULIC SYSTEM HAVING MULTIPLE CLOSED-LOOP CIRCUITS

#361
20130098010
2013-04-25

Closed-loop hydraulic system having priority-based sharing

#362
20130061932
2013-03-14

Dual positive displacement pump pressure regulating control

#363
20130026123
2013-01-31

Crane control system

#364
20130000293
2013-01-03

Hydraulic systems utilizing combination open- and closed-loop pump systems

#365
20120324877
2012-12-27

System for driving a boom of a hybrid excavator and a control method thereof

#366
20120304630
2012-12-06

Control system for construction machine

#367
20120260643
2012-10-18

VELOCITY CONTROL FOR HYDRAULIC CONTROL SYSTEM

#368
20120233997
2012-09-20

Regenerative hydraulic systems and methods of use

#369
20120233996
2012-09-20

System for allocating fluid from multiple pumps to a plurality of hydraulic functions on a priority basis

#370
20120233991
2012-09-20

MULTI-FUNCTION MACHINES, HYDRAULIC SYSTEMS THEREFOR, AND METHODS FOR THEIR OPERATION

#371
20120227391
2012-09-13

Device and method for controlling hydraulic pump of construction machinery

#372
20120216871
2012-08-30

Split valve pump controlled hydraulic system

#373
20120204776
2012-08-16

Hydraulic system for a watercraft

#374
20120198827
2012-08-09

Hydraulic drive system

#375
20120180472
2012-07-19

Fixed/variable hybrid system

#376
20120163949
2012-06-28

Hydraulic drive device for hydraulic working machine

#377
20120060487
2012-03-15

Working machine

#378
20120055050
2012-03-08

Multi-function wheel loader linkage control with optimized power management

#379
20120048409
2012-03-01

Hydraulic circuit for working machine

#380
20120023924
2012-02-02

VARIABLE HYDRAULIC SYSTEM

#381
20110308242
2011-12-22

Command based method for allocating fluid flow from a plurality of pumps to multiple hydraulic functions

#382
20110289908
2011-12-01

Hydraulic system having implement and steering flow sharing

#383
20110283691
2011-11-24

Multiple fluid pump combination circuit

#384
20110168283
2011-07-14

Hydraulic Circuit For Working Machine

#385
20110088384
2011-04-21

Apparatus and methods for controlling hydraulically-powered apparatus

#386
20110061375
2011-03-17

Hydraulic drive system

#387
20110056194
2011-03-10

HYDRAULIC SYSTEM FOR HEAVY EQUIPMENT

#388
20110011076
2011-01-20

Operating oil supplying device and construction machine

#389
20110005214
2011-01-13

Hydraulic system

#390
20100300820
2010-12-02

Torsional Vibration Damping System for the Drive Train of a Vehicle

#391
20100293936
2010-11-25

Hydraulic system with improved complex operation

#392
20100287924
2010-11-18

Dual pump hydraulic system

#393
20100281859
2010-11-11

Oil pressure system and valve assembly used in oil pressure system

#394
20100276023
2010-11-04

Valve system for drilling systems

#395
20100218493
2010-09-02

Torque control apparatus for construction machine three-pump system

#396
20100205955
2010-08-19

Hydraulic circuit of winch for crane

#397
20100186402
2010-07-29

Pump torque control system for hydraulic construction machine

#398
20100162593
2010-07-01

Displacement-controlled hydraulic system for multi-function machines

#399
20100071358
2010-03-25

Hydraulic system of work machine

#400
20100043420
2010-02-25

Hydraulic system for construction equipment

#401
20100037604
2010-02-18

Fluid power distribution and control system

#402
20100037603
2010-02-18

Hydralic two-circuit system and interconnecting valve system

#403
20100000211
2010-01-07

HYDRAULIC CONTROL CIRCUIT FOR EXCAVATOR

#404
20090308069
2009-12-17

Pump unit and working vehicle

#405
20090288408
2009-11-26

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

#406
20090193801
2009-08-06

Hydraulic drive system

#407
20090159143
2009-06-25

Fluid pressure circuit

#408
20090158728
2009-06-25

Smart flow sharing system

#409
20090113887
2009-05-07

Hydraulic Drive Device

#410
20090107133
2009-04-30

Procedure to align working equipment mounted to a liftable and lowerable hoisting frame of a working machine

#411
20090097986
2009-04-16

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

#412
20090094973
2009-04-16

Hydraulic circuit for heavy equipment

#413
20090077958
2009-03-26

Hydraulic circuit structure of work vehicle

#414
20090077839
2009-03-26

Backhoe hydraulic system

#415
20090077837
2009-03-26

Work machine

#416
20090071142
2009-03-19

Hydraulic control device for vehicular hydraulic control circuit

#417
20090071141
2009-03-19

Hydraulic circuit for heavy equipment

#418
20090057049
2009-03-05

Hydraulic traveling vehicle

#419
20090056325
2009-03-05

Hydraulic flow control system

#420
20090056324
2009-03-05

Hydraulic control device of construction machinery

#421
20090025380
2009-01-29

Fixed/variable hybrid system

#422
20090000291
2009-01-01

Arrangement and method for delivering hydraulic fluid in a work vehicle

#423
20080314038
2008-12-25

Swing drive device and work machine

#424
20080303336
2008-12-11

Dump truck

#425
20080296083
2008-12-04

Steerable series two speed motor configuration

#426
20080250783
2008-10-16

Flow continuity for multiple hydraulic circuits and associated method

#427
20080236154
2008-10-02

Hydraulic circuit for construction equipment

#428
20080223027
2008-09-18

Hydraulic circuit for construction machine

#429
20080223026
2008-09-18

Hydraulic power management system

#430
20080164115
2008-07-10

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

#431
20080152513
2008-06-26

HYDRAULIC CIRCUIT ARRANGEMENT WITH RECOVERY OF ENERGY

#432
20080104952
2008-05-08

Hydraulic circuit

#433
20080092534
2008-04-24

Multi-purpose hydraulic system

#434
20080078174
2008-04-03

Backhoe hydraulic system

#435
20080072589
2008-03-27

Hydraulic drive

#436
20080072588
2008-03-27

Control system for hydraulic construction machine

#437
20080053082
2008-03-06

Straight traveling hydraulic circuit

#438
20080034746
2008-02-14

Combiner valve control system and method

#439
20070272469
2007-11-29

Pump Unit and Working Vehicle

#440
20070271913
2007-11-29

Apparatus for increasing operation speed of boom on excavators

#441
20070251400
2007-11-01

Platen Press

#442
20070240562
2007-10-18

Straight traveling hydraulic circuit

#443
20070234718
2007-10-11

Hydraulic system and work machine comprising such a system

#444
20070220880
2007-09-27

Hydraulic vehicle stabilizer system with two-stage bi-rotational hydraulic pump system

#445
20070205026
2007-09-06

Traveling system for heavy construction equipment

#446
20070169474
2007-07-26

Hydraulic control device for working machine

#447
20070163252
2007-07-19

Multi-purpose hydraulic system

#448
20070130936
2007-06-14

Hydraulic circuit for heavy construction equipment

#449
20070125078
2007-06-07

Hydraulic pressure control device of construction machine

#450
20070107421
2007-05-17

Dual pump dual pressure hydraulic circuit

#451
20070095060
2007-05-03

Hydraulic pressure supply unit

#452
20070074511
2007-04-05

Multi-pump control system and method

#453
20070056437
2007-03-15

Hydraulic control system for construction vehicle, particularly excavators

#454
20070044464
2007-03-01

Combiner valve control system and method

#455
20070044463
2007-03-01

Hydraulic system having area controlled bypass

#456
20060277905
2006-12-14

Hydraulic control device of industrial machinery

#457
20060236688
2006-10-26

Hydraulic circuit

#458
20060233633
2006-10-19

Hydraulic system for an industrial vehicle

#459
20060230752
2006-10-19

Hydraulic drive control device

#460
20060207248
2006-09-21

Hydraulic circuit of construction machinery

#461
20060156713
2006-07-20

Hydraulic drive system

#462
20060137337
2006-06-29

Fluid pump control device for wheel loaders

#463
20060130473
2006-06-22

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

#464
20060120892
2006-06-08

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

#465
20060048508
2006-03-09

Oil pressure circuit for working machines

#466
20050252326
2005-11-17

Device for driving a plurality of hydraulic shift cylinders and hydraulic supply system for a twin-clutch transmission

#467
20050246082
2005-11-03

Working machine driving unit

#468
20050236214
2005-10-27

Pump unit and working vehicle

#469
20050229594
2005-10-20

Hydraulic control system and construction machine

#470
20050210871
2005-09-29

Work vehicle hydraulic system

#471
20050178117
2005-08-18

Charge/auxiliary circuit for reducing power losses in hydrostatic systems

#472
20050175485
2005-08-11

Hydraulic driving system of construction machinery

#473
20050160726
2005-07-28

Hydraulic system for a vehicle, a vehicle including such a hydraulic system and a suplementary unit for such a vehicle

#474
20050144941
2005-07-07

Hydraulic circuit of excavating and slewing working vehicle

#475
20050132701
2005-06-23

Pressurized hydraulic fluid system with remote charge pump

#476
20050087065
2005-04-28

Hydraulic system for a work machine

#477
20050072397
2005-04-07

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

#478
20050072145
2005-04-07

Power conserving hydraulic pump bypass compensator circuit

#479
20050001606
2005-01-06

Hybrid construction machine having auxiliary battery and control apparatus thereof

#480
20050001567
2005-01-06

Actuator driving device of working machine

#481
18810550
2025-12-30

Bidirectional hydraulic hybrid power system containing an externally connected bidirectional manual pump system

#482
17443836
2022-07-05

Flow management of a hydraulic system

#483
17443834
2022-07-05

Flow management of a hydraulic system

#484
17133044
2021-12-14

Speed-limiting calibration control for a hydraulic system

#485
17000957
2021-10-12

High-low hydraulic system for balers, compactors and transfer station compactors

#486
16574124
2020-11-03

Hydraulic valve module for steering and work functions in a work vehicle

#487
16574117
2020-08-18

Modular hydraulic valve assembly for work vehicle

#488
16551372
2020-01-28

Drive and cooling system for utility vehicle

#489
16198123
2020-06-02

Hydraulic pump assembly

#490
15837838
2020-03-17

Cooling pump assembly and cooling system for utility vehicle

#491
15465824
2019-03-05

Transmission and engine configuration

#492
15357817
2018-11-27

Hydraulic pump assembly

#493
15182869
2019-08-27

Drive and cooling system for utility vehicle

#494
15160331
2017-12-12

Cooling pump assembly and cooling system for utility vehicle

#495
15084349
2018-03-13

Dual control hydraulic circuit for a tilting power swivel