ClassID:

129099

E02F9/2242 - 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 two or more pumps with cross-assistance including an electronic controller

Recent Application in this class:
#1
20260132595
2026-05-14

DISTRIBUTED INDEPENDENT SECONDARY PRESSURE REGULATING OPEN-CIRCUIT PUMP-CONTROLLED HYDRAULIC SYSTEMS

#2
20260077987
2026-03-19

DRIVE SYSTEM FOR A WORK VEHICLE

#3
20250305246
2025-10-02

HYDRAULIC CIRCUIT FOR A CONSTRUCTION MACHINE

#4
20250257551
2025-08-14

Hydraulic Control System in Working Machine

#5
20250154745
2025-05-15

HYDRAULIC CIRCUIT OF A CONSTRUCTION MACHINERY

#6
20250074756
2025-03-06

HYDRAULIC SYSTEM FOR A VEHICLE

#7
20250067023
2025-02-27

HYDRAULIC CONTROL SYSTEM IN WORKING MACHINE

#8
20240426077
2024-12-26

HYDRAULIC CONTROL SYSTEM IN EXCAVATOR TYPE CONSTRUCTION MACHINE

#9
20240337091
2024-10-10

WORKING VEHICLE

#10
20240254728
2024-08-01

Work Machine

#11
20240200582
2024-06-20

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

#12
20240117601
2024-04-11

Hydraulic control system

#13
20240093467
2024-03-21

Hydraulic system of excavator, excavator, and method for controlling excavator

#14
20240084555
2024-03-14

Construction machine with a hydraulic system

#15
20240003118
2024-01-04

ELECTRO-HYDRAULIC CONTROLLED EXCAVATOR TRAVEL TO TOOL CONTROL PRIORITY FUNCTION

#16
20240002203
2024-01-04

Hydraulic system for a vehicle

#17
20230417260
2023-12-28

Smart flow dual pump hydraulic system

#18
20230358022
2023-11-09

Work machine

#19
20230323901
2023-10-12

Hydraulic drive system

#20
20230250616
2023-08-10

Hydraulic apparatus and method for a vehicle

#21
20230228063
2023-07-20

Hydraulic excavator drive system

#22
20230167833
2023-06-01

Smart flow dual pump hydraulic system

#23
20230167622
2023-06-01

Work Machine

#24
20230139226
2023-05-04

Controller and method for hydraulic apparatus

#25
20230119892
2023-04-20

Hydraulic control system for a working machine

#26
20230113111
2023-04-13

Hydraulic system

#27
20230096479
2023-03-30

Construction machine

#28
20230039650
2023-02-09

Working vehicle

#29
20220389680
2022-12-08

Hydraulic system of working machine

#30
20220356679
2022-11-10

Hydraulic control device for work machine

#31
20220333620
2022-10-20

Hydraulic apparatus and operating method

#32
20220282458
2022-09-08

Dual architecture for an electro-hydraulic drive system

#33
20220282448
2022-09-08

Construction machine

#34
20220275605
2022-09-01

Hydraulic control system

#35
20220267129
2022-08-25

Hydraulic system for a vehicle

#36
20220195702
2022-06-23

Hydraulic circuit for construction machine, and hydraulic circuit

#37
20220098832
2022-03-31

Redundant Dual Pump Hydraulic System and Method for Electric Mining Machine

#38
20220074170
2022-03-10

Construction machine

#39
20220034335
2022-02-03

Hydraulic drive device for traveling work machine

#40
20210381200
2021-12-09

Hydraulic system for a working machine

#41
20210324602
2021-10-21

Construction machine

#42
20210172155
2021-06-10

Hydraulic machine

#43
20210054592
2021-02-25

Hydraulic drive system for work machine

#44
20200370279
2020-11-26

Slewing-type hydraulic work machine

#45
20200291613
2020-09-17

Hydraulic system

#46
20200199849
2020-06-25

Hydraulic systems for construction machinery

#47
20200115887
2020-04-16

Construction machine

#48
20200087892
2020-03-19

Work vehicle

#49
20190292753
2019-09-26

Construction machine

#50
20190218750
2019-07-18

Construction machine

#51
20190194910
2019-06-27

Hydraulic drive system for electrically-driven hydraulic work machine

#52
20190032306
2019-01-31

Control system, work machine, and control method

#53
20180274208
2018-09-27

Construction machine

#54
20180238027
2018-08-23

Hydraulic pump control system of hydraulic working machine

#55
20180230670
2018-08-16

Control system, work machine, and control method

#56
20180216637
2018-08-02

Control system, work machine, and control method

#57
20180172037
2018-06-21

System and method for providing hydraulic power

#58
20180142445
2018-05-24

Electro-hydraulic feed delivery system

#59
20180119390
2018-05-03

Hydraulic systems for construction machinery

#60
20180119389
2018-05-03

Hydraulic systems for construction machinery

#61
20180073525
2018-03-15

Hydraulic control system for working machine

#62
20180066417
2018-03-08

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

#63
20180058041
2018-03-01

Control system, work machine, and control method

#64
20180051720
2018-02-22

Hydraulic fluid energy regeneration apparatus of work machine

#65
20180030692
2018-02-01

Control system, work machine, and control method

#66
20170268201
2017-09-21

Driving straight ahead device for construction machine and control method therefor

#67
20170227028
2017-08-10

Hydraulic drive system for working machine

#68
20170175782
2017-06-22

Construction machinery

#69
20170159678
2017-06-08

System having combinable transmission and implement circuits

#70
20170145661
2017-05-25

Hydraulic circuit for construction machine

#71
20170145660
2017-05-25

Divided pump implement valve and system

#72
20170121944
2017-05-04

Control device and working machine

#73
20170121940
2017-05-04

Drive device of construction machine

#74
20170037600
2017-02-09

DRIVE CONTROL DEVICE FOR CONSTRUCTION EQUIPMENT AND CONTROL METHOD THEREFOR

#75
20170009428
2017-01-12

Hydraulic fluid energy regeneration device for work machine

#76
20170009424
2017-01-12

Hydraulic control system for work machine

#77
20160376770
2016-12-29

Shovel

#78
20160376768
2016-12-29

Valve subassembly having at least two pump lines for a pump

#79
20160356020
2016-12-08

Control system for construction machinery and control method for construction machinery using the same

#80
20160348342
2016-12-01

Hydraulic system of construction machinery and method of controlling hydraulic system

#81
20160348335
2016-12-01

Liquid-pressure driving system

#82
20160333551
2016-11-17

Hydraulic circuit for construction machinery having floating function and method for controlling floating function

#83
20160265195
2016-09-15

Hybrid work machine

#84
20160252107
2016-09-01

Hydraulic excavator drive system

#85
20160177539
2016-06-23

Working machine

#86
20160108938
2016-04-21

Hydraulic system of a vehicle

#87
20160032947
2016-02-04

Construction machine

#88
20160032565
2016-02-04

Driving device for work machine

#89
20160024749
2016-01-28

Hydraulic shovel

#90
20150376871
2015-12-31

Apparatus and method for controlling oil hydraulic pump for excavator

#91
20150368880
2015-12-24

Hydraulic construction machinery

#92
20150354167
2015-12-10

Hydraulic control device and construction machine with same

#93
20150330059
2015-11-19

Liquid-pressure drive system and construction machine including same

#94
20150330058
2015-11-19

METHOD FOR CONTROLLING HYDRAULIC SYSTEM FOR CONSTRUCTION MACHINE

#95
20150247305
2015-09-03

Construction machinery

#96
20150233093
2015-08-20

Method for controlling driving flow of wheel excavator

#97
20150204359
2015-07-23

Construction machine

#98
20150184680
2015-07-02

Torque limit control

#99
20150176609
2015-06-25

Control system for hybrid construction machine

#100
20150176251
2015-06-25

Driving control method for construction machine

#101
20150135697
2015-05-21

Driving device for work machine and work machine equipped therewith

#102
20150113971
2015-04-30

Hydraulic control system

#103
20150113970
2015-04-30

Hydraulic system for construction machinery

#104
20150107236
2015-04-23

Hydraulic closed circuit system

#105
20150068200
2015-03-12

Hydraulic circuit for construction machine and control device for same

#106
20150059331
2015-03-05

Hydraulic circuit for construction machine and control device therefor

#107
20150040552
2015-02-12

Hydraulic circuit for construction machine and control device for same

#108
20150033727
2015-02-05

Hybrid construction machine

#109
20150033726
2015-02-05

Control system for a hybrid construction machine

#110
20140366517
2014-12-18

System for reducing fuel consumption in excavator

#111
20140283510
2014-09-25

Hydraulic drive system

#112
20140123634
2014-05-08

Hydraulic system and a method for controlling a hydraulic system

#113
20140119867
2014-05-01

Energy recovery system having integrated boom/swing circuits

#114
20140107880
2014-04-17

Control system for hybrid construction machine

#115
20140090369
2014-04-03

Hydraulic drive device for working machine

#116
20140060020
2014-03-06

Hydraulic control system having over-pressure protection

#117
20140033698
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#118
20140033697
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#119
20140033695
2014-02-06

Hydraulic system for hydraulic working machine

#120
20140033689
2014-02-06

METERLESS HYDRAULIC SYSTEM HAVING FORCE MODULATION

#121
20140007962
2014-01-09

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

#122
20140007942
2014-01-09

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

#123
20130333367
2013-12-19

Hydraulic circuit for pipe layer

#124
20130312403
2013-11-28

Hydraulic system for construction machine having electronic hydraulic pump

#125
20130298545
2013-11-14

Hydrostatic system configured to be integrated in an excavator

#126
20130284532
2013-10-31

SECONDARY STEERING SYSTEM WITH MARGIN PRESSURE DETECTION

#127
20130283775
2013-10-31

Oil pressure system for wheel loader

#128
20130255244
2013-10-03

Hydraulic system for construction machine including emergency control unit for electric hydraulic pump

#129
20130152565
2013-06-20

HYDRAULIC SYSTEM HAVING ENERGY RECOVERY

#130
20130121852
2013-05-16

System for controlling hydraulic pump in construction machine

#131
20130098463
2013-04-25

METERLESS HYDRAULIC SYSTEM HAVING SHARING AND COMBINING FUNCTIONALITY

#132
20130098459
2013-04-25

Closed-Loop Hydraulic System Having Flow Combining and Recuperation

#133
20130098024
2013-04-25

Hydraulic system

#134
20130098020
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#135
20130098019
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#136
20130098018
2013-04-25

Hydraulic system

#137
20130098017
2013-04-25

Hydraulic system

#138
20130098016
2013-04-25

Meterless hydraulic system having flow sharing and combining functionality

#139
20130098013
2013-04-25

CLOSED-LOOP SYSTEM HAVING MULTI-CIRCUIT FLOW SHARING

#140
20130098011
2013-04-25

HYDRAULIC SYSTEM HAVING MULTIPLE CLOSED-LOOP CIRCUITS

#141
20130074486
2013-03-28

Multi-pump system with pump-flow diversion

#142
20130035820
2013-02-07

Hybrid construction machine

#143
20130000478
2013-01-03

Hydraulic pressure control apparatus for construction machine

#144
20120324877
2012-12-27

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

#145
20120312007
2012-12-13

Control system for hybrid construction machine

#146
20120312006
2012-12-13

Control system for hybrid construction machine

#147
20120265389
2012-10-18

Control system for PTO equipment on a vehicle with a hybrid-electric drivetrain

#148
20120261010
2012-10-18

Hydraulic system for construction machinery

#149
20120245782
2012-09-27

Control system for hybrid construction machine

#150
20120233996
2012-09-20

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

#151
20120233993
2012-09-20

Method for controlling a hydraulic system of a working machine

#152
20120167561
2012-07-05

Hybrid type construction machine

#153
20110308242
2011-12-22

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

#154
20110289908
2011-12-01

Hydraulic system having implement and steering flow sharing

#155
20110192155
2011-08-11

Hydraulic drive device for hydraulic excavator

#156
20110061755
2011-03-17

Hydraulic circuit system for hydraulic excavator

#157
20110060491
2011-03-10

Device for controlling hybrid construction machine

#158
20110056194
2011-03-10

HYDRAULIC SYSTEM FOR HEAVY EQUIPMENT

#159
20110056192
2011-03-10

TECHNIQUE FOR CONTROLLING PUMPS IN A HYDRAULIC SYSTEM

#160
20110030364
2011-02-10

Flow management system for hydraulic work machine

#161
20100319338
2010-12-23

Hydraulic control system for excavator

#162
20100293936
2010-11-25

Hydraulic system with improved complex operation

#163
20100218494
2010-09-02

Pump control apparatus for hydraulic work machine, pump control method and construction machine

#164
20100162696
2010-07-01

Hydraulic drive device for large hydraulic excavator

#165
20100131158
2010-05-27

Working vehicle and hydraulic fluid amount control method for working vehicle

#166
20100071359
2010-03-25

Hydraulic device and work machine

#167
20100071358
2010-03-25

Hydraulic system of work machine

#168
20100000209
2010-01-07

Hydraulic control system in working machine ( as amended

#169
20090193800
2009-08-06

Service pack tandem pump

#170
20090159143
2009-06-25

Fluid pressure circuit

#171
20090152025
2009-06-18

Hydraulic system for leveling apparatus in excavator and forestry equipment

#172
20090151346
2009-06-18

Shock absorption device and control method thereof for small swing radius excavator

#173
20090120083
2009-05-14

Process for electro-hydraulic circuits and systems involving excavator boom-swing power management

#174
20090094973
2009-04-16

Hydraulic circuit for heavy equipment

#175
20090090237
2009-04-09

Control unit for work machine

#176
20090057049
2009-03-05

Hydraulic traveling vehicle

#177
20090057040
2009-03-05

Hydraulic traveling vehicle and control method for hydraulic traveling vehicle

#178
20090056324
2009-03-05

Hydraulic control device of construction machinery

#179
20080314038
2008-12-25

Swing drive device and work machine

#180
20080245065
2008-10-09

Control system for hydraulic construction machine

#181
20080072588
2008-03-27

Control system for hydraulic construction machine

#182
20080034746
2008-02-14

Combiner valve control system and method

#183
20070205026
2007-09-06

Traveling system for heavy construction equipment

#184
20070193261
2007-08-23

Hydraulic controlling device of working machine

#185
20070044464
2007-03-01

Combiner valve control system and method

#186
20070044463
2007-03-01

Hydraulic system having area controlled bypass

#187
20070016349
2007-01-18

Hydraulic control apparatus for hydraulic excavator

#188
20060265915
2006-11-30

Working machine

#189
20060212203
2006-09-21

Operation information control device and system for a construction machine

#190
20060179691
2006-08-17

Hydraulic control device of an excavator with improved loading performance on a slope

#191
20060048508
2006-03-09

Oil pressure circuit for working machines

#192
20060042129
2006-03-02

Construction machine

#193
20050246082
2005-11-03

Working machine driving unit

#194
20050175485
2005-08-11

Hydraulic driving system of construction machinery

#195
20050160726
2005-07-28

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

#196
20050087065
2005-04-28

Hydraulic system for a work machine

#197
20050060993
2005-03-24

Hydraulic controller for construction machine

#198
20050056438
2005-03-17

Apparatus for coupling an implement to a working vehicle

#199
18798536
2025-09-30

Swing pump controls