ClassID:

129104

E02F9/226 - page 2 - CPC Classification

Classification description:

Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups  - ; Drives; Control devices; Hydraulic or pneumatic drives Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating

Recent Application in this class:
#301
20110088785
2011-04-21

SAFETY FEATURE FOR STUCK VALVE

#302
20110079305
2011-04-07

Work vehicle having hydraulic apparatus

#303
20110071738
2011-03-24

Hybrid construction machine

#304
20110014062
2011-01-20

Control device of hydraulically driven fan

#305
20110011356
2011-01-20

Fan Drive Controlling Device and Construction Machine

#306
20110011076
2011-01-20

Operating oil supplying device and construction machine

#307
20100326067
2010-12-30

SELF-PROPELLED MACHINE

#308
20100266458
2010-10-21

Construction Machine

#309
20100252354
2010-10-07

Differential pressure control

#310
20100194554
2010-08-05

METHOD AND ARRANGEMENT FOR DETECTING LEAKAGE OF HYDRAULIC OIL

#311
20100139791
2010-06-10

Hydraulic controller

#312
20100100274
2010-04-22

Safety device for hydraulic working machine

#313
20100084152
2010-04-08

Percussion device actuated by a pressurized non-compressible fluid

#314
20100071543
2010-03-25

Hydraulic apparatus

#315
20100058752
2010-03-11

Rotation control system for working-machine pump

#316
20100050601
2010-03-04

Exhaust gas purifier of construction machine

#317
20100034630
2010-02-11

HYDRAULIC SHOVEL

#318
20100018197
2010-01-28

PIPE LAYER HAVING SWING SPEED ADJUSTABLE SYSTEM

#319
20100011757
2010-01-21

Safety device for hydraulic working machine

#320
20090309412
2009-12-17

Traveling working machine

#321
20090293470
2009-12-03

Over-loading prevention device of construction machinery

#322
20090256394
2009-10-15

Working machine and emergency lowering system

#323
20090234508
2009-09-17

Method for triggering a plurality of valves, and control block having a plurality of valves

#324
20090217656
2009-09-03

Hydraulically driven industrial machine

#325
20090187527
2009-07-23

Payload estimation of weight bearing machinery using multiple model adaptive estimator system and method

#326
20090185888
2009-07-23

Hydraulic implement system having boom priority

#327
20090148310
2009-06-11

Working fluid cooling control system for construction machine

#328
20090145376
2009-06-11

Control device for hydraulically driven fan

#329
20090126361
2009-05-21

Pump torque controller of hydraulic working machine

#330
20090114298
2009-05-07

Valve control unit

#331
20090111655
2009-04-30

Device and method for controlling engine and hydraulic pump of working vehicle

#332
20090101101
2009-04-23

Load control device for engine of work vehicle

#333
20090071145
2009-03-19

Flow control apparatus for heavy construction equipment

#334
20090062963
2009-03-05

Cooling fan controller for controlling revolving fan based on fluid temperature and air temperature

#335
20090055056
2009-02-26

Swing drive system for construction machine

#336
20090025661
2009-01-29

Cooling fan drive system for travel type working machine

#337
20090007464
2009-01-08

Hydraulic shovel

#338
20090007462
2009-01-08

Hydraulic system with thermal shock protection

#339
20080296522
2008-12-04

Relief pressure switching apparatus for hydraulic working machine

#340
20080289325
2008-11-27

Traveling device for crawler type heavy equipment

#341
20080264499
2008-10-30

Anti-stall system utilizing implement pilot relief

#342
20080244936
2008-10-09

Wheel-type working machine and method of controlling the same

#343
20080238187
2008-10-02

Hydrostatic drive system with variable charge pump

#344
20080223026
2008-09-18

Hydraulic power management system

#345
20080207398
2008-08-28

Method and apparatus for retarding an engine

#346
20080196949
2008-08-21

Hydraulic circuit for a public works vehicle and vehicle comprising one such circuit

#347
20080174097
2008-07-24

Oscillating undercarriage, in particular for a drilling device

#348
20080127642
2008-06-05

Hydraulic system with variable standby pressure

#349
20080108032
2008-05-08

Radial venting axial fan for a power machine

#350
20080104952
2008-05-08

Hydraulic circuit

#351
20080078456
2008-04-03

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

#352
20080063501
2008-03-13

Loader

#353
20080017022
2008-01-24

HYDRAULIC CONTROL SYSTEM FOR WORKING MACHINE

#354
20080016861
2008-01-24

Hydraulic controller for working machine

#355
20070295419
2007-12-27

Axle locking cylinder structure for heavy construction equipment

#356
20070295005
2007-12-27

Work machine hydraulic system with bypass conditioning and associated method

#357
20070289171
2007-12-20

Loading machine

#358
20070277883
2007-12-06

Hydraulic circuit for construction machine

#359
20070261403
2007-11-15

Pressure shuttle

#360
20070222573
2007-09-27

Auto fluid condition alert

#361
20070180821
2007-08-09

Heavy-construction machine

#362
20070171035
2007-07-26

Engine protection system and method for construction machine

#363
20070130932
2007-06-14

Pressure switch control for attachment coupling system

#364
20070119162
2007-05-31

Hydrostatic drive system

#365
20070119159
2007-05-31

Multi-actuator pressure-based flow control system

#366
20070089408
2007-04-26

HYDRAULIC CONTROLLER FOR WORKING MACHINE

#367
20070074511
2007-04-05

Multi-pump control system and method

#368
20070038355
2007-02-15

Features of main control for a power machine

#369
20070022750
2007-02-01

Hydraulic arrangement

#370
20070012038
2007-01-18

Hydraulic arrangement

#371
20060266210
2006-11-30

Hydraulic system having a post-pressure compensator

#372
20060230751
2006-10-19

Electro-hydraulic system for fan driving and brake charging

#373
20060218914
2006-10-05

Hydraulic control arrangement

#374
20060192424
2006-08-31

Hydraulic motor and brake control system and method of controlling the same

#375
20060191732
2006-08-31

Work machine hydraulics control system

#376
20060185354
2006-08-24

Priority communication protocol for a distributed electrohydraulic system having multiple controllers

#377
20060179830
2006-08-17

Control device for construction machine

#378
20060151258
2006-07-13

Gravity pressurized braking system

#379
20060144219
2006-07-06

Boom-holding control device for use in heavy construction equipments

#380
20060108185
2006-05-25

Hydraulic system

#381
20060096799
2006-05-11

Prime mover control device of construction machine

#382
20060090460
2006-05-04

Hydraulic system having a pressure compensator

#383
20060086088
2006-04-27

Communication protocol for a distributed electrohydraulic system having multiple controllers

#384
20060083622
2006-04-20

Hydraulically driven vehicle

#385
20060062678
2006-03-23

Fan revolution speed control method

#386
20060048735
2006-03-09

Engine control device of construction machinery

#387
20060042241
2006-03-02

Power source derating component protection system

#388
20060021341
2006-02-02

Hydraulic system

#389
20050279088
2005-12-22

Emergency control method for work device in construction equipment

#390
20050262838
2005-12-01

Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof

#391
20050229594
2005-10-20

Hydraulic control system and construction machine

#392
20050204912
2005-09-22

Hydraulic control system for working machine

#393
20050204736
2005-09-22

Hydraulic control device for working machine

#394
20050183571
2005-08-25

Flow control apparatus for construction heavy equipment

#395
20050183417
2005-08-25

Cooling system for work machine

#396
20050160727
2005-07-28

Method and device for controlling pump torque for hydraulic construction machine

#397
20050144938
2005-07-07

Hydraulic drive unit

#398
20050126054
2005-06-16

Earth-moving vehicle including pivotable maneuvering station

#399
20050109026
2005-05-26

Open hydraulic circuit including a relief valve device

#400
20050098030
2005-05-12

Hydrostatic drive system with a safety device

#401
20050081519
2005-04-21

System for preventing swing wag for a work machine with a boom assembly

#402
20050035235
2005-02-17

Pulverizer

#403
18627111
2025-10-07

Hydraulic cylinder with an integrated pressure relief system

#404
18127154
2024-08-27

Load dependent range shift control

#405
17848429
2023-06-27

Systems, methods, and controllers to enhance heavy equipment warning

#406
17303973
2022-05-31

Fluid flushing system for a hydraulic circuit of a work machine

#407
16574117
2020-08-18

Modular hydraulic valve assembly for work vehicle

#408
15037425
2016-12-27

Control system for work vehicle, control method, and work vehicle

#409
13565537
2015-09-08

Dynamically stable pressure control system