ClassID:

129098

E02F9/2239 - 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

Sub-classes:
Recent Application in this class:
#1
20250327276
2025-10-23

HYDRAULIC VALVE APPARATUS

#2
20250074756
2025-03-06

HYDRAULIC SYSTEM FOR A VEHICLE

#3
20250020146
2025-01-16

Systems and methods for grouping hydraulic functions for an agricultural implement

#4
20240229421
2024-07-11

SLOPE WORK VEHICLE

#5
20240200582
2024-06-20

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

#6
20240133159
2024-04-25

SLOPE WORK VEHICLE

#7
20240002203
2024-01-04

Hydraulic system for a vehicle

#8
20230417260
2023-12-28

Smart flow dual pump hydraulic system

#9
20230167833
2023-06-01

Smart flow dual pump hydraulic system

#10
20230113111
2023-04-13

Hydraulic system

#11
20220298754
2022-09-22

Control valve of hydraulic system for working machine

#12
20220267129
2022-08-25

Hydraulic system for a vehicle

#13
20220145578
2022-05-12

Construction machine

#14
20210285185
2021-09-16

Working machine

#15
20210214921
2021-07-15

Fluid supply system for supplying multiple fluid consumers of a motor vehicle with fluid

#16
20210071688
2021-03-11

Hydraulic machine

#17
20210022281
2021-01-28

Hydraulic implement fluid recovery

#18
20190343033
2019-11-14

Hydraulic implement fluid recovery

#19
20190277311
2019-09-12

HYDRAULIC SYSTEM AND METHOD OF CONTROLLING HYDRAULIC ACTUATOR

#20
20190177952
2019-06-13

Hydraulic driving device for working machine

#21
20180334784
2018-11-22

Hydraulic system for working machine and control valve

#22
20180305899
2018-10-25

Control system and work machine

#23
20180251958
2018-09-06

Hydraulic driving apparatus of work machine

#24
20180230670
2018-08-16

Control system, work machine, and control method

#25
20180230669
2018-08-16

Hydraulic system and a method for moving an implement of a working machine

#26
20180127949
2018-05-10

HYDRAULIC CIRCUIT AND WORKING MACHINE

#27
20180119390
2018-05-03

Hydraulic systems for construction machinery

#28
20180094405
2018-04-05

Fluid pressure control device

#29
20180038079
2018-02-08

Hydraulic drive system of work machine

#30
20170314233
2017-11-02

CONTROL SYSTEM OF HYBRID CONSTRUCTION MACHINE

#31
20170284425
2017-10-05

Hydraulic system for work machine

#32
20170268201
2017-09-21

Driving straight ahead device for construction machine and control method therefor

#33
20170107697
2017-04-20

Shovel and method of controlling shovel

#34
20170074292
2017-03-16

Fluid pressure control device for construction machine

#35
20170037602
2017-02-09

Hydraulic system for an earth moving machine

#36
20170037601
2017-02-09

Hydraulic drive system for construction machine

#37
20170016208
2017-01-19

Work machine

#38
20170009430
2017-01-12

Working machine control system

#39
20170009429
2017-01-12

Working machine control system

#40
20160348342
2016-12-01

Hydraulic system of construction machinery and method of controlling hydraulic system

#41
20160177539
2016-06-23

Working machine

#42
20160115974
2016-04-28

Hydraulic drive system for construction machine

#43
20160024749
2016-01-28

Hydraulic shovel

#44
20150377258
2015-12-31

Hydraulic drive system for construction machine

#45
20150330416
2015-11-19

Fluid pressure control device for power shovel

#46
20150330413
2015-11-19

Hydraulic circuit for construction machine

#47
20150292526
2015-10-15

Hydraulic driving system

#48
20150285274
2015-10-08

Fluid pressure control device for power shovel

#49
20150275932
2015-10-01

Twin priority valve

#50
20150260205
2015-09-17

Void protection system

#51
20150204054
2015-07-23

Hydraulic drive system for construction machine

#52
20150128583
2015-05-14

Travel control valve

#53
20150113970
2015-04-30

Hydraulic system for construction machinery

#54
20150089935
2015-04-02

Control valve apparatus of power shovel

#55
20150066313
2015-03-05

Control device and construction machine provided therewith

#56
20150044007
2015-02-12

Hydraulic control device and construction machine provided with same

#57
20140366517
2014-12-18

System for reducing fuel consumption in excavator

#58
20140208734
2014-07-31

Work machine

#59
20140123640
2014-05-08

Construction machine

#60
20130312402
2013-11-28

Hydraulic system for work machine

#61
20130129459
2013-05-23

Construction machine having hydraulic circuit

#62
20130115035
2013-05-09

Construction machine with hydraulic circuit

#63
20130032233
2013-02-07

Hydraulic pressure-regulating valve for construction equipment

#64
20120330516
2012-12-27

Operating machine

#65
20120279211
2012-11-08

Pump control operating system of construction machine

#66
20120233997
2012-09-20

Regenerative hydraulic systems and methods of use

#67
20120163949
2012-06-28

Hydraulic drive device for hydraulic working machine

#68
20120067443
2012-03-22

Hydraulic system for working machine

#69
20120055050
2012-03-08

Multi-function wheel loader linkage control with optimized power management

#70
20120048409
2012-03-01

Hydraulic circuit for working machine

#71
20110192155
2011-08-11

Hydraulic drive device for hydraulic excavator

#72
20110168283
2011-07-14

Hydraulic Circuit For Working Machine

#73
20100115800
2010-05-13

Hydraulic unit and construction machine including the same

#74
20100043420
2010-02-25

Hydraulic system for construction equipment

#75
20100037603
2010-02-18

Hydralic two-circuit system and interconnecting valve system

#76
20100031648
2010-02-11

Hydraulic flow sharing system for excavating and pipe laying work

#77
20100000211
2010-01-07

HYDRAULIC CONTROL CIRCUIT FOR EXCAVATOR

#78
20090288408
2009-11-26

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

#79
20090199552
2009-08-13

Hydraulic working machine

#80
20090158728
2009-06-25

Smart flow sharing system

#81
20090151347
2009-06-18

Operation Control Circuit for Construction Machine

#82
20090107133
2009-04-30

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

#83
20090077958
2009-03-26

Hydraulic circuit structure of work vehicle

#84
20090077839
2009-03-26

Backhoe hydraulic system

#85
20090056325
2009-03-05

Hydraulic flow control system

#86
20080296083
2008-12-04

Steerable series two speed motor configuration

#87
20080236154
2008-10-02

Hydraulic circuit for construction equipment

#88
20080229738
2008-09-25

Hydraulic circuit to prevent bucket separation from bucket rest during traveling of heavy equipment

#89
20080223027
2008-09-18

Hydraulic circuit for construction machine

#90
20080223026
2008-09-18

Hydraulic power management system

#91
20080092534
2008-04-24

Multi-purpose hydraulic system

#92
20080078174
2008-04-03

Backhoe hydraulic system

#93
20080053082
2008-03-06

Straight traveling hydraulic circuit

#94
20080034748
2008-02-14

Hydraulic circuit for construction machine

#95
20070271913
2007-11-29

Apparatus for increasing operation speed of boom on excavators

#96
20070240562
2007-10-18

Straight traveling hydraulic circuit

#97
20070234718
2007-10-11

Hydraulic system and work machine comprising such a system

#98
20070163252
2007-07-19

Multi-purpose hydraulic system

#99
20070130936
2007-06-14

Hydraulic circuit for heavy construction equipment

#100
20070062185
2007-03-22

Hydraulic controller for working machine

#101
20060277905
2006-12-14

Hydraulic control device of industrial machinery

#102
20060266029
2006-11-30

Working machine

#103
20060242958
2006-11-02

Hydraulic system for work vehicle

#104
20060236688
2006-10-26

Hydraulic circuit

#105
20060162543
2006-07-27

Hydraulic working machine

#106
20060156714
2006-07-20

Hydraulic control device for controlling a boom-arm combined operation in an excavator

#107
20060080955
2006-04-20

Hydraulic circuit device of hydraulic working machine

#108
20060021338
2006-02-02

Increasing hydraulic flow to tractor attachments

#109
20050204734
2005-09-22

Hydraulic control system for hydraulic excavator

#110
20050144941
2005-07-07

Hydraulic circuit of excavating and slewing working vehicle

#111
20050072145
2005-04-07

Power conserving hydraulic pump bypass compensator circuit

#112
20050056438
2005-03-17

Apparatus for coupling an implement to a working vehicle

#113
16574117
2020-08-18

Modular hydraulic valve assembly for work vehicle