Patents-Review.com
ClassID:

129094 ⎘

E02F9/2225 - 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; Control of flow rate; Load sensing arrangements using pressure-compensating valves

Sub-classes:
Recent Application in this class:
#1
20260028799
2026-01-29

HYDRAULIC PUMP WITH DE-STROKE CONTROL

 #2
20260002342
2026-01-01

HYDRAULIC DRIVE APPARATUS

 #3
20250347299
2025-11-13

HYBRID ELECTRO-HYDRAULIC LOAD SENSING SYSTEM AND CONTROL METHOD THEREOF

 #4
20250327272
2025-10-23

Construction Equipment

 #5
20250297460
2025-09-25

HYDRAULIC SYSTEM FOR RECOVERING BOOM ENERGY FOR CONSTRUCTION MACHINERY

 #6
20250283301
2025-09-11

CONTROL DEVICE FOR EXCAVATOR

 #7
20250084610
2025-03-13

WORK VEHICLE, METHOD OF CONTROLLING WORK VEHICLE, AND CONTROLLER FOR WORK VEHICLE

 #8
20250067023
2025-02-27

HYDRAULIC CONTROL SYSTEM IN WORKING MACHINE

 #9
20250043536
2025-02-06

Work Machine

 #10
20240376686
2024-11-14

LOADER COUPLER WITH VISUAL LOCKING INDICATOR

 #11
20240352710
2024-10-24

Work machine

 #12
20240326217
2024-10-03

Hammer piston

 #13
20240301661
2024-09-12

Work Machine

 #14
20240229415
2024-07-11

COMPACT ARTICULATED BACKHOE LOADER WITH 270 DEGREE EXCAVATION ADVANTAGE

 #15
20240200582
2024-06-20

FLOW DISTRIBUTION CONTROL METHOD, DEVICE, AND APPARATUS FOR HYDRAULIC SYSTEM AND HYDRAULIC SYSTEM

 #16
20240133153
2024-04-25

COMPACT ARTICULATED BACKHOE LOADER WITH 270 DEGREE EXCAVATION ADVANTAGE

 #17
20240060273
2024-02-22

Hydraulic system for working machine

 #18
20240035255
2024-02-01

VALVE UNIT AND VALVE EQUIPMENT

 #19
20230417014
2023-12-28

Construction Equipment

 #20
20230417011
2023-12-28

QUICK-CHANGE DEVICE HAVING A CONTROL DEVICE WITH A MECHANICALLY AND HYDRAULICALLY CONTROLLABLE VALVE

 #21
20230416057
2023-12-28

PARKING BRAKE DEVICE AND WORK MACHINE EQUIPPED WITH THE SAME

 #22
20230415611
2023-12-28

Construction Machine

 #23
20230340968
2023-10-26

Switch valve block for a hydraulically actuatable working machine

 #24
20230160179
2023-05-25

Hydraulic system for working machine

 #25
20230092677
2023-03-23

Hydraulic system for working machine

 #26
20230039156
2023-02-09

SYSTEM AND METHOD FOR EXCAVATING AN AGGREGATE THROUGH AN ACCESS HOLE

 #27
20230021137
2023-01-19

WORKING MACHINE

 #28
20220381005
2022-12-01

WORK MACHINE CONTROL SYSTEM, WORK MACHINE, WORK MACHINE CONTROL METHOD, AND WORK MACHINE CONTROL DEVICE

 #29
20220333345
2022-10-20

Work machine

 #30
20220298754
2022-09-22

Control valve of hydraulic system for working machine

 #31
20220275601
2022-09-01

SWIVELING WORKING MACHINE

 #32
20220267995
2022-08-25

Engine control system, work machine, and control method for work machine

 #33
20220252084
2022-08-11

CONSTRUCTION MACHINE AND CONTROL METHOD THEREFOR

 #34
20220243424
2022-08-04

Work machine, shaft sealing structure, and work machine including the sealing structure

 #35
20220235534
2022-07-28

SWIVEL WORKING MACHINE

 #36
20220220694
2022-07-14

Work machine

 #37
20220186471
2022-06-16

Hydraulic control system and method for a bucket shake operation in a work machine with a hydraulic pump and unloader valve

 #38
20220186460
2022-06-16

Hydraulic machinery

 #39
20220170241
2022-06-02

Flow control valve

 #40
20220112687
2022-04-14

Hydraulic system for working machine

 #41
20220098833
2022-03-31

Hydraulic system for working machine

 #42
20220098831
2022-03-31

Hydraulic excavator drive system

 #43
20220090611
2022-03-24

Hydraulic system for working machine

 #44
20220065272
2022-03-03

Hydraulic variable pump set and excavator

 #45
20220049457
2022-02-17

Control system and control method for work machine

 #46
20220025613
2022-01-27

Hydraulic system for a fall-back support and work machine

 #47
20210372088
2021-12-02

Fluid circuit

 #48
20210372086
2021-12-02

System and method for controlling work machine

 #49
20210372077
2021-12-02

Hydraulic excavator drive system

 #50
20210332559
2021-10-28

Hydraulic circuit for a swing system in a machine

 #51
20210324608
2021-10-21

Control system for construction machinery

 #52
20210310216
2021-10-07

Display system of work machine and method of controlling the same

 #53
20210301500
2021-09-30

Electrical control of a hydraulic system

 #54
20210276428
2021-09-09

Method for operating a drive system for a work machine, drive system and work machine

 #55
20210270015
2021-09-02

Hydraulic circuit of construction machine

 #56
20210180623
2021-06-17

Work vehicle

 #57
20210180618
2021-06-17

Hydraulic system of working machine

 #58
20210156118
2021-05-27

Work vehicle

 #59
20210148386
2021-05-20

Hydraulic system for working machine

 #60
20210148093
2021-05-20

System and method for work machine

 #61
20210148088
2021-05-20

Shovel

 #62
20210148087
2021-05-20

Boom potential energy recovery of hydraulic excavator

 #63
20210140448
2021-05-13

Hydraulic circuit having a combined compensation and energy recovery function

 #64
20210140144
2021-05-13

Hydraulic circuit of construction machine

 #65
20210131074
2021-05-06

Control system for work vehicle, method, and work vehicle

 #66
20210123206
2021-04-29

Hydraulic system for working machine

 #67
20210095443
2021-04-01

Hydraulic system for working machine

 #68
20210032840
2021-02-04

Hydraulic system for a motor grader

 #69
20210002864
2021-01-07

Boom potential energy recovery of hydraulic excavator

 #70
20200407944
2020-12-31

Hydraulic system for working machine and the working machine

 #71
20200402324
2020-12-24

Work machine and system including work machine

 #72
20200399855
2020-12-24

Work vehicle with switchable propulsion control system

 #73
20200393062
2020-12-17

System and method for detecting valve operating conditions

 #74
20200386245
2020-12-10

Hydraulic control valve configured to use a pilot signal as a substitute load-sense signal

 #75
20200354927
2020-11-12

Drive system for a working machine and a method for controlling the drive system

 #76
20200354923
2020-11-12

Material moving machines and pilot hydraulic switching systems for use therein

 #77
20200332496
2020-10-22

SYSTEMS AND METHODS FOR CONTROL OF A WORK VEHICLE

 #78
20200318318
2020-10-08

Power system for a work machine

 #79
20200299932
2020-09-24

Regeneration valve for a hydraulic circuit

 #80
20200283995
2020-09-10

Electro-hydraulic arrangement for an earthmoving machine

 #81
20200256032
2020-08-13

Hydraulic excavator

 #82
20200248435
2020-08-06

System and method for control of a work vehicle

 #83
20200240114
2020-07-30

Shovel

 #84
20200232180
2020-07-23

Construction machine

 #85
20200224388
2020-07-16

Work machine

 #86
20200208378
2020-07-02

Engineering machinery hydraulic system

 #87
20200166058
2020-05-28

Hydraulic striking device

 #88
20200158235
2020-05-21

Work vehicle and control method for work vehicle

 #89
20200131735
2020-04-30

Travel control system for construction machinery and travel control method for construction machinery

 #90
20200087891
2020-03-19

Hydraulic system for working machine

 #91
20200056350
2020-02-20

CONTROL DEVICE FOR HYDRAULIC MACHINE

 #92
20200048868
2020-02-13

Hydraulic system for working machine

 #93
20200003330
2020-01-02

System and method for detecting valve operating conditions

 #94
20200002922
2020-01-02

Hydraulic system for working machine

 #95
20200002921
2020-01-02

Hydraulic system for working machine

 #96
20200002920
2020-01-02

Hydraulic system for working machine

 #97
20200002919
2020-01-02

Lifting mechanism suspension and lifting mechanism

 #98
20190352884
2019-11-21

Construction machine

 #99
20190352883
2019-11-21

Construction machine

 #100
20190338488
2019-11-07

Utility vehicle having a front loader

 #101
20190331217
2019-10-31

Hydraulic driveline with a secondary module

 #102
20190330824
2019-10-31

Hydraulic control system for construction machine

 #103
20190316324
2019-10-17

Adjustable work implement

 #104
20190301142
2019-10-03

Hydraulic system for working machine

 #105
20190301141
2019-10-03

Hydraulic system for working machine

 #106
20190301137
2019-10-03

Hydraulic system for working machine

 #107
20190301136
2019-10-03

Hydraulic system for working machine

 #108
20190301135
2019-10-03

Slewing-type working machine

 #109
20190292753
2019-09-26

Construction machine

 #110
20190292752
2019-09-26

Boom potential energy recovery of hydraulic excavator

 #111
20190271333
2019-09-05

Hydraulic excavator drive system

 #112
20190264418
2019-08-29

Hydraulic derate stability control

 #113
20190211531
2019-07-11

Hydraulic drive system of construction machine

 #114
20190203746
2019-07-04

System for recovering energy from a hydraulic actuator

 #115
20190194904
2019-06-27

Construction machine

 #116
20190186106
2019-06-20

Work machine

 #117
20190178374
2019-06-13

Fluid pressure circuit

 #118
20190177953
2019-06-13

Hydraulic drive system of work machine

 #119
20190177952
2019-06-13

Hydraulic driving device for working machine

 #120
20190169817
2019-06-06

Work vehicle

 #121
20190169009
2019-06-06

Power lift

 #122
20190136875
2019-05-09

Hydraulic circuit for travel motor

 #123
20190136490
2019-05-09

Hydraulic power control circuit and construction vehicle comprising such circuit

 #124
20190119884
2019-04-25

Working machine

 #125
20190119879
2019-04-25

Hydraulic system for working machine and control valve

 #126
20190106861
2019-04-11

Work machine

 #127
20190101138
2019-04-04

Hydraulic system for working machine

 #128
20190100900
2019-04-04

Hydraulic system for working machine

 #129
20180347153
2018-12-06

Pressure compensation unit

 #130
20180347150
2018-12-06

Control system for construction machine

 #131
20180334784
2018-11-22

Hydraulic system for working machine and control valve

 #132
20180282974
2018-10-04

FLUID PRESSURE CONTROL DEVICE

 #133
20180274208
2018-09-27

Construction machine

 #134
20180266080
2018-09-20

Hydraulic system for working machine

 #135
20180258614
2018-09-13

Hydraulic distributor with valve device with active discharge in load sensing circuits

 #136
20180245312
2018-08-30

Work machine hydraulic drive device

 #137
20180230670
2018-08-16

Control system, work machine, and control method

 #138
20180216317
2018-08-02

Boom potential energy recovery of hydraulic excavator

 #139
20180187396
2018-07-05

Hydraulic apparatus

 #140
20180179736
2018-06-28

Hydraulic system for working machine

 #141
20180179735
2018-06-28

System and method for control of a work vehicle

 #142
20180163373
2018-06-14

Active damping ride control system for attenuating oscillations in a hydraulic actuator of a machine

 #143
20180156242
2018-06-07

Hydraulic drive system for construction machine

 #144
20180127949
2018-05-10

HYDRAULIC CIRCUIT AND WORKING MACHINE

 #145
20180119388
2018-05-03

CONTROL SYSTEM FOR CONSTRUCTION MACHINE

 #146
20180112686
2018-04-26

HYDRAULIC ACTUATOR SYSTEM OF VEHICLE HAVING SECONDARY LOAD-HOLDING VALVE WITH TANK CONNECTION

 #147
20180112375
2018-04-26

Material handling machine with ride control system and method

 #148
20180106277
2018-04-19

Valve device and fluid pressure control device

 #149
20180106018
2018-04-19

Construction machine

 #150
20180087243
2018-03-29

Hydraulic driving device of work machine

 #151
20180086345
2018-03-29

Work vehicle

 #152
20180066417
2018-03-08

Method of controlling a main control valve of an excavator and apparatus for performing the same

 #153
20180058040
2018-03-01

Hydraulic drive system of construction machine

 #154
20180044890
2018-02-15

Hydraulic energy regeneration system for work machine

 #155
20180044889
2018-02-15

Hydraulic equipment for excavators and operating machines in general

 #156
20180038333
2018-02-08

Construction machine starting assist system

 #157
20180017087
2018-01-18

Hydraulic actuator control circuit

 #158
20170370382
2017-12-28

Hydraulic drive system

 #159
20170350097
2017-12-07

Flow control valve for construction machine

 #160
20170342686
2017-11-30

Control valve for construction equipment

 #161
20170314586
2017-11-02

CONTROL SYSTEM OF HYBRID CONSTRUCTION MACHINE

 #162
20170306989
2017-10-26

Directional control valve

 #163
20170298590
2017-10-19

Hydraulic drive system for work machine

 #164
20170284064
2017-10-05

Construction machine

 #165
20170268203
2017-09-21

In-vehicle dynometer

 #166
20170268201
2017-09-21

Driving straight ahead device for construction machine and control method therefor

 #167
20170241448
2017-08-24

Control device for hydraulic traveling device

 #168
20170184134
2017-06-29

Hydraulic system for work machine

 #169
20170167113
2017-06-15

System and method for controlling a work implement of a machine

 #170
20170130427
2017-05-11

Device and process for controlling and optimizing hydraulic system performance

 #171
20170107694
2017-04-20

Hydraulic excavator drive system

 #172
20170022688
2017-01-26

Fluid pressure control device

 #173
20170009430
2017-01-12

Working machine control system

 #174
20170009429
2017-01-12

Working machine control system

 #175
20170002545
2017-01-05

Hydraulic system for work machine

 #176
20160376769
2016-12-29

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

 #177
20160348335
2016-12-01

Liquid-pressure driving system

 #178
20160333552
2016-11-17

Closed-circuit hydraulic system for construction machine

 #179
20160326722
2016-11-10

ENERGY-SAVING CONTROL SYSTEM OF EXCAVATOR

 #180
20160319515
2016-11-03

Hybrid work vehicle

 #181
20160319514
2016-11-03

Control apparatus for hydraulic heavy machinery

 #182
20160238043
2016-08-18

Hydraulic driving device

 #183
20160230370
2016-08-11

Hydraulic system and working machine including the same

 #184
20160215475
2016-07-28

Area limiting excavation control system for construction machines

 #185
20160201296
2016-07-14

HYDRAULIC VALVE

 #186
20160160883
2016-06-09

Hydraulic circuit for construction machine

 #187
20160145834
2016-05-26

Vent for load sense valves

 #188
20160138618
2016-05-19

Hydraulic regenerative and recovery parasitic mitigation system

 #189
20160138240
2016-05-19

Construction machine control system, construction machine, and construction machine control method

 #190
20160130787
2016-05-12

FLOW RATE CONTROL VALVE FOR CONSTRUCTION MACHINE

 #191
20160090715
2016-03-31

Brake charge valve with set minimum fixed hydro-mechanical pressure by-pass function

 #192
20160060846
2016-03-03

Method of Controlling Work of Excavator

 #193
20160002888
2016-01-07

Variable load sense open center hybrid system

 #194
20150361995
2015-12-17

Flow control device and flow control method for construction machine

 #195
20150354173
2015-12-10

Pressure compensation valve

 #196
20150330413
2015-11-19

Hydraulic circuit for construction machine

 #197
20150298944
2015-10-22

Crane

 #198
20150292526
2015-10-15

Hydraulic driving system

 #199
20150275932
2015-10-01

Twin priority valve

 #200
20150259887
2015-09-17

Hydraulic section for load sensing applications and multiple hydraulic distributor

 #201
20150252819
2015-09-10

Work machine

 #202
20150240455
2015-08-27

Hydraulic driving system for construction machine

 #203
20150211211
2015-07-30

Hydraulic circuit for loader

 #204
20150176610
2015-06-25

Hydraulic drive system

 #205
20150128580
2015-05-14

Hydraulic brake

 #206
20150096291
2015-04-09

Fluid pressure control device

 #207
20150013323
2015-01-15

Circuit pressure control device, hydraulic control circuit using circuit pressure control unit, and hydraulic control circuit of construction machine

 #208
20140290237
2014-10-02

Construction machine

 #209
20140245730
2014-09-04

Priority control system for construction machine

 #210
20140208734
2014-07-31

Work machine

 #211
20140030005
2014-01-30

Quick coupler

 #212
20130160879
2013-06-27

Hydraulic system for controlling a work implement

 #213
20130139918
2013-06-06

Hydraulic system and hydraulic distributor for the actuating working machines

 #214
20130001492
2013-01-03

Hydraulic circuit for counterweight attaching/detaching device

 #215
20120031088
2012-02-09

HYDRAULIC DRIVE SYSTEM FOR CONSTRUCTION MACHINE

 #216
20110232787
2011-09-29

Stack valve

 #217
20110204267
2011-08-25

Hydraulic valve arrangement

 #218
20110173964
2011-07-21

Hydraulic drive system for construction machine

 #219
20110088798
2011-04-21

Stack valve having bucket parallel movement function

 #220
20100252354
2010-10-07

Differential pressure control

 #221
20100186402
2010-07-29

Pump torque control system for hydraulic construction machine

 #222
20090288408
2009-11-26

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

 #223
20090266070
2009-10-29

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

 #224
20090242050
2009-10-01

Hydraulic control apparatus

 #225
20090223688
2009-09-10

Dozer blade pitch control system

 #226
20090151347
2009-06-18

Operation Control Circuit for Construction Machine

 #227
20090094976
2009-04-16

Variable hydraulic motor driving device

 #228
20090094972
2009-04-16

Hydraulic control assembly

 #229
20090078488
2009-03-26

Auxiliary hydraulic flow control system for a small loader

 #230
20090036264
2009-02-05

Work machine

 #231
20090031719
2009-02-05

Hydraulic Drive System

 #232
20080300757
2008-12-04

Excavator control mode switching device and excavator

 #233
20080250782
2008-10-16

Hydraulic control device of working machine

 #234
20080245222
2008-10-09

Hydraulic valve arrangement

 #235
20080223205
2008-09-18

Hydraulic drive apparatus

 #236
20080127642
2008-06-05

Hydraulic system with variable standby pressure

 #237
20070220878
2007-09-27

Universal control scheme for mobile hydraulic equipment and method for achieving the same

 #238
20070169620
2007-07-26

Control device for a work device comprising a scoop held on an extension arm

 #239
20070006491
2007-01-11

Hydraulic control device for loader

 #240
20060266210
2006-11-30

Hydraulic system having a post-pressure compensator

 #241
20060230752
2006-10-19

Hydraulic drive control device

 #242
20060218914
2006-10-05

Hydraulic control arrangement

 #243
20060200283
2006-09-07

Construction machine diagnosis information presenting device, diagnosis information display system, and diagnosis information presenting method

 #244
20060169131
2006-08-03

Valve stack having a pattern switching valve

 #245
20060151230
2006-07-13

Prime mover control device of construction machine

 #246
20060123672
2006-06-15

Drive device of hydraulic cylinder for working

 #247
20060090460
2006-05-04

Hydraulic system having a pressure compensator

 #248
20060080955
2006-04-20

Hydraulic circuit device of hydraulic working machine

 #249
20050229594
2005-10-20

Hydraulic control system and construction machine

 #250
20050210871
2005-09-29

Work vehicle hydraulic system

 #251
20050198951
2005-09-15

System for handling a tool at a vehicle

 #252
20050183571
2005-08-25

Flow control apparatus for construction heavy equipment

 #253
18783065
2026-01-27

Hydraulic pump with de-stroke control

 #254
18769110
2025-11-11

Construction machine and hydraulic system thereof

 #255
17589949
2023-03-07

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

 #256
16271042
2020-07-07

Front loader and work machine

 #257
14731922
2016-10-18

Hydraulic actuation system for work machine