ClassID:

129104

E02F9/226 - 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:
#1
20260132595
2026-05-14

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

#2
20260126104
2026-05-07

HYDRAULIC SYSTEMS FOR A POWER MACHINE

#3
20260117492
2026-04-30

WORKING VEHICLE

#4
20260085496
2026-03-26

HYDRAULIC SYSTEM FOR WORKING MACHINE, WORKING MACHINE, AND METHOD OF CONTROLLING WORKING MACHINE

#5
20260070434
2026-03-12

Construction Machine

#6
20260055579
2026-02-26

AUTOMATIC OPERATION CONSTRUCTION MACHINE

#7
20260028800
2026-01-29

MOBILE WORK MACHINE WITH EMERGENCY STOP FUNCTION IN CASE OF LEAKAGE IN THE WORK LINE

#8
20260009205
2026-01-08

SYSTEMS, METHODS, AND CONTROLLERS TO ENHANCE HEAVY EQUIPMENT WARNING

#9
20250320692
2025-10-16

WORKING MACHINE

#10
20250314045
2025-10-09

HYDRAULIC CYLINDER WITH AN INTEGRATED PRESSURE RELIEF SYSTEM

#11
20250305245
2025-10-02

CONTROL UNIT

#12
20250290291
2025-09-18

HYDROVAC WITH EMERGENCY STOP

#13
20250290290
2025-09-18

HYDROVAC WITH SAFE STATE

#14
20250290274
2025-09-18

HYDROVAC WITH AUTO SHUTOFF BASED ON WEIGHT

#15
20250230633
2025-07-17

METHOD FOR OPERATING A WORKING MACHINE, A WORKING MACHINE AND A CONTROLLER

#16
20250116093
2025-04-10

SYSTEMS AND METHODS FOR IDENTIFYING IMPROPER IMPLEMENT INSTALLATION

#17
20250092640
2025-03-20

VALVE ARRANGEMENT FOR MOBILE WORKING MACHINES COMPRISING A HYDRAULIC CONSUMER

#18
20250075468
2025-03-06

CONSTRUCTION MACHINE

#19
20250067022
2025-02-27

WORKING MACHINE

#20
20250059732
2025-02-20

PROTECTION MECHANISM ON AN IMPLEMENT

#21
20250052035
2025-02-13

Hydraulic Control System in Working Machine

#22
20250043531
2025-02-06

COMPACT UTILITY LOADER WITH LOAD-SENSING VARIABLE LENGTH LIFT ARM ASSEMBLY

#23
20250033941
2025-01-30

HANDLING MACHINE COMPRISING A HYDRAULIC STEERING SYSTEM

#24
20250027516
2025-01-23

PILOT PRESSURE CONTROL DEVICE

#25
20250012051
2025-01-09

WORK MACHINE

#26
20250003193
2025-01-02

WORKING MACHINE

#27
20250003181
2025-01-02

ELECTRIC POWER PACK FOR POWER MACHINE

#28
20240426083
2024-12-26

EMERGENCY STEERING SYSTEM FOR WHEELED EXCAVATORS

#29
20240384497
2024-11-21

Construction Machine

#30
20240369083
2024-11-07

Hydraulic system with a functional safety feature for demolition robots

#31
20240368858
2024-11-07

Forced Air Thawing System for Machinery Undercarriages

#32
20240360649
2024-10-31

Control Method Of Work Machine, Program, Control System, And Work Machine

#33
20240360648
2024-10-31

Control Device for Wheel Loader

#34
20240328119
2024-10-03

HYDRAULIC SYSTEM OF WORKING MACHINE

#35
20240328115
2024-10-03

Automatic work machine condition monitoring and control module

#36
20240301662
2024-09-12

WORKING MACHINE AND METHOD OF CONTROLLING WORKING MACHINE

#37
20240271640
2024-08-15

FLUID PRESSURE CONTROL DEVICE

#38
20240151009
2024-05-09

WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE

#39
20240093468
2024-03-21

Construction Machine

#40
20240076853
2024-03-07

SAFETY SYSTEM FOR MACHINE

#41
20240068200
2024-02-29

System, method, and machine for engine restarting by joystick operation

#42
20240026648
2024-01-25

Working machine

#43
20240018747
2024-01-18

Construction machine

#44
20240018744
2024-01-18

Electric Work Vehicle

#45
20230417022
2023-12-28

ELECTRIC WORK MACHINE

#46
20230407597
2023-12-21

Hydraulic circuit for a construction machine

#47
20230399818
2023-12-14

SYSTEMS, METHODS, AND CONTROLLERS TO ENHANCE HEAVY EQUIPMENT WARNING

#48
20230399817
2023-12-14

Systems, methods, and controllers to enhance heavy equipment warning

#49
20230392350
2023-12-07

METHOD AND CONTROL DEVICE FOR OPERATING A SELF-DRIVING WORKING MACHINE

#50
20230366178
2023-11-16

Work machine

#51
20230358023
2023-11-09

Systems, methods, and controllers to enhance heavy equipment warning

#52
20230349402
2023-11-02

Working machine

#53
20230313492
2023-10-05

COOLING DEVICE FOR CONSTRUCTION MACHINE

#54
20230287656
2023-09-14

WORK MACHINE

#55
20230287655
2023-09-14

Maintenance-service system

#56
20230286525
2023-09-14

WORK VEHICLE

#57
20230279877
2023-09-07

Ride control for work machines

#58
20230272594
2023-08-31

Work Machine

#59
20230243125
2023-08-03

CONTROL UNIT

#60
20230228059
2023-07-20

ELECTRIC CONSTRUCTION MACHINE

#61
20230203789
2023-06-29

Work vehicle and control method for fan of work vehicle

#62
20230167629
2023-06-01

Control architecture for prime mover stall prevention

#63
20230151584
2023-05-18

System and method for heating the hydraulic fluid of an electric work vehicle

#64
20230142291
2023-05-11

SAFETY PROTECTION SYSTEM AND METHOD FOR ENGINEERING MACHINERY

#65
20230128144
2023-04-27

Construction machine

#66
20230013782
2023-01-19

Prime Mover Mountable Hydraulic Tool, Including Protective Box Housing Control Circuit and Hydraulic Pressure Sensors, and Related Monitoring Systems and Methods

#67
20230003005
2023-01-05

Coordinated access point spatial reuse

#68
20220364581
2022-11-17

Cooler bypass valve assembly for hydraulic system return circuit

#69
20220364326
2022-11-17

System and device for anticipating and correcting for over-center transitions in mobile hydraulic machine

#70
20220349153
2022-11-03

Construction machine

#71
20220290407
2022-09-15

Hydraulic system, mining machine and method of controlling hydraulic actuator

#72
20220235758
2022-07-28

Hydraulic actuator control device for dump truck

#73
20220195689
2022-06-23

End Effector Position Estimation

#74
20220154427
2022-05-19

Excavator

#75
20220136206
2022-05-05

Shovel

#76
20220128435
2022-04-28

Hydraulic lockout lever failure detection system

#77
20220127822
2022-04-28

Hydraulic fluid temperature-dependent control of engine speeds in self-propelled work vehicles

#78
20220098820
2022-03-31

Compact utility loader with load-sensing variable length lift arm assembly

#79
20220049729
2022-02-17

Working machine

#80
20220049466
2022-02-17

Working machine

#81
20220049464
2022-02-17

Working machine

#82
20220034068
2022-02-03

Work machine

#83
20220018096
2022-01-20

SHOVEL AND CONSTRUCTION SYSTEM

#84
20210381200
2021-12-09

Hydraulic system for a working machine

#85
20210372090
2021-12-02

Boom Extension and Rotation Monitoring System

#86
20210372087
2021-12-02

Method for controlling a hydraulic system of a working machine

#87
20210341001
2021-11-04

Pilot control mechanism for boom bounce reduction

#88
20210301502
2021-09-30

Construction machine

#89
20210270008
2021-09-02

Method and system to securely manage quick coupling of tools in an earth moving equipment

#90
20210262199
2021-08-26

System and device for anticipating and correcting for over-center transitions in mobile hydraulic machine

#91
20210231246
2021-07-29

SYSTEM AND METHOD FOR REDUCING ENVIRONMENTAL IMPACT CAUSED BY HYDRAULIC OIL LEAKING FROM A TRACTOR

#92
20210230834
2021-07-29

Prime mover mountable hydraulic tool and related monitoring systems and methods

#93
20210222710
2021-07-22

Hydraulic tank protection system

#94
20210214919
2021-07-15

Shovel

#95
20210189692
2021-06-24

Systems and methods for bypass of hydraulic charge circuits

#96
20210148386
2021-05-20

Hydraulic system for working machine

#97
20210123211
2021-04-29

COUPLER CONTROL SYSTEM

#98
20210102563
2021-04-08

Hydraulic system of industrial vehicle

#99
20210079624
2021-03-18

Locking system for a work machine

#100
20210062476
2021-03-04

Hydraulic oil monitoring system and hydraulic oil monitoring method

#101
20210025144
2021-01-28

System for detecting locking pin engagement of an implement

#102
20210023950
2021-01-28

Working machine

#103
20210023907
2021-01-28

Working Machine

#104
20210010490
2021-01-14

Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations

#105
20200407945
2020-12-31

Excavator

#106
20200399860
2020-12-24

Fluid Line Guard

#107
20200386248
2020-12-10

Hydrostatically driven vehicle with a secondary braking or steering supply

#108
20200363001
2020-11-19

System and method for reducing environmental impact caused by hydraulic oil leaking from a tractor

#109
20200362542
2020-11-19

Motor grader cutting edge wear calibration and warning system

#110
20200290613
2020-09-17

Vehicle control system and method

#111
20200277754
2020-09-03

Swing-back preventing apparatus

#112
20200277752
2020-09-03

Work machine

#113
20200240440
2020-07-30

Hydraulic system for work machine and work machine

#114
20200240103
2020-07-30

Tool stabilizer system

#115
20200232180
2020-07-23

Construction machine

#116
20200223435
2020-07-16

System and method for controlling a vehicle

#117
20200150650
2020-05-14

Information system for a working machine

#118
20200095750
2020-03-26

Hydraulic oil cooling system

#119
20200071910
2020-03-05

Hydraulic circuit for an adaptive park braking system and method of operation thereof

#120
20200056352
2020-02-20

Hydraulic system for working machine

#121
20200048867
2020-02-13

Construction machine with engine restart section and horn switch and gate lock lever operations

#122
20200032820
2020-01-30

Pilot control mechanism for boom bounce reduction

#123
20200024830
2020-01-23

Work machine

#124
20200011031
2020-01-09

Loading amount accumulation device and loading amount accumulation system

#125
20200002920
2020-01-02

Hydraulic system for working machine

#126
20190368163
2019-12-05

Construction machine safety apparatus and controlling method

#127
20190277007
2019-09-12

Fluid line guard

#128
20190226180
2019-07-25

Safety system for construction machine

#129
20190218746
2019-07-18

Shovel

#130
20190101137
2019-04-04

Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations

#131
20190069468
2019-03-07

Hydraulic control system

#132
20180363271
2018-12-20

Hydraulic control device and hydraulic control method for construction machine

#133
20180320338
2018-11-08

Hybrid construction machinery

#134
20180305896
2018-10-25

Mechanical drive control for loaders

#135
20180266080
2018-09-20

Hydraulic system for working machine

#136
20180258617
2018-09-13

System and method of estimating fatigue in a lifting member

#137
20180252349
2018-09-06

System and method for reducing environmental impact caused by hydraulic oil leaking from a tractor

#138
20180251957
2018-09-06

Work machine

#139
20180238028
2018-08-23

Work machine

#140
20180238024
2018-08-23

Work machine

#141
20180179736
2018-06-28

Hydraulic system for working machine

#142
20180172030
2018-06-21

Fan control system with electro-hydraulic valve providing three fan motor operational positions

#143
20180163375
2018-06-14

Hydraulic system for working machine

#144
20180163372
2018-06-14

WORK VEHICLE

#145
20180163371
2018-06-14

Actuator

#146
20180162413
2018-06-14

Control system for a machine

#147
20180127951
2018-05-10

Systems and methods of preventing a run-away state in an industrial machine

#148
20180118261
2018-05-03

Work vehicle

#149
20180080196
2018-03-22

Hydraulic excavator drive system

#150
20180065629
2018-03-08

System and method for controlling a vehicle

#151
20180058482
2018-03-01

System for hydraulic pump health monitoring

#152
20180051444
2018-02-22

Hydraulic control system of construction machine

#153
20180038074
2018-02-08

Construction machine provided with preheating unit and preheating method of construction machine

#154
20170335545
2017-11-23

System for measuring friction force of excavator swing device for supplying lubricating oil

#155
20170321730
2017-11-09

Device mounting structure

#156
20170314477
2017-11-02

Method and system for controlling an engine stall

#157
20170298965
2017-10-19

Hydraulic fluid tank arrangement

#158
20170292540
2017-10-12

Hydraulic system for work machine and work machine

#159
20170275853
2017-09-28

Control valve diagnostic system in hydraulic circuit

#160
20170254308
2017-09-07

Hydrostatic drive

#161
20170227027
2017-08-10

Device for relieving pressure in hydraulics lines

#162
20170203755
2017-07-20

Shovel and shovel control method

#163
20170183842
2017-06-29

Hydraulic control system for construction machine

#164
20170167603
2017-06-15

Abnormality detection device for hydraulic circuit and abnormality detection method for hydraulic circuit

#165
20170166253
2017-06-15

Hydraulic drive system

#166
20170138018
2017-05-18

HYDRAULIC SYSTEM HAVING DIAGNOSTIC MODE OF OPERATION

#167
20170123447
2017-05-04

Hydraulic control system

#168
20170121941
2017-05-04

Safety hydraulic circuit

#169
20170107696
2017-04-20

Work machine

#170
20170107693
2017-04-20

Input control method of touch panel monitor for working machine

#171
20170089031
2017-03-30

Shovel and method of controlling shovel

#172
20170058921
2017-03-02

Automatic oil spill detection system

#173
20170058486
2017-03-02

Hydraulic drive apparatus for construction machine

#174
20170037882
2017-02-09

Control system for a hydraulic work machine

#175
20170030047
2017-02-02

Quick coupler control device for working machine

#176
20170021769
2017-01-26

Construction machine and method of controlling construction machine

#177
20160377180
2016-12-29

Double sided outer seal

#178
20160340861
2016-11-24

Shovel with output restriction based on temperature of components

#179
20160326721
2016-11-10

Pressure peak reduction valve for excavator and pressure peak reduction system for excavator comprising same

#180
20160319976
2016-11-03

Anti-siphon arrangement for hydraulic systems

#181
20160319517
2016-11-03

Constant Net Implement Pump Valve Flow

#182
20160312441
2016-10-27

Shovel

#183
20160305093
2016-10-20

Work machine

#184
20160304071
2016-10-20

Hydraulic system and work machine

#185
20160298660
2016-10-13

Pilot control mechanism for boom bounce reduction

#186
20160251832
2016-09-01

Work vehicle

#187
20160250936
2016-09-01

Hybrid construction machine

#188
20160230370
2016-08-11

Hydraulic system and working machine including the same

#189
20160222989
2016-08-04

Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations

#190
20160201545
2016-07-14

Cooling fan control device for construction machine

#191
20160186414
2016-06-30

Fault detection, isolation and reconfiguration systems and methods for controlling electrohydraulic systems used in construction equipment

#192
20160153556
2016-06-02

Open center hydraulic flushing system and method

#193
20160144860
2016-05-26

Work vehicle

#194
20160090997
2016-03-31

Hydraulic system

#195
20160090715
2016-03-31

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

#196
20160069044
2016-03-10

Work vehicle and method of controlling work vehicle

#197
20160032949
2016-02-04

Slewing drive apparatus for construction machine

#198
20160003265
2016-01-07

Hydraulic system for construction machine, provided with protection device

#199
20160002886
2016-01-07

Pilot pressure control system

#200
20150377259
2015-12-31

Construction equipment pressure control valve

#201
20150354605
2015-12-10

Construction machine

#202
20150345113
2015-12-03

Automatic transmission control unit for construction equipment and control method therefor

#203
20150337705
2015-11-26

Hydraulic circuit system for forced regeneration of diesel particulate filter

#204
20150330059
2015-11-19

Liquid-pressure drive system and construction machine including same

#205
20150308469
2015-10-29

Machine control system having hydraulic warmup procedure

#206
20150308266
2015-10-29

Power shovel hoist machinery with auxiliary weight box

#207
20150299987
2015-10-22

Construction machine

#208
20150299986
2015-10-22

Stroke operation calibration control device for hydraulic cylinder and stroke operation calibration control method for hydraulic cylinder

#209
20150284931
2015-10-08

Shovel and method of controlling shovel

#210
20150284930
2015-10-08

Shovel and method of controlling shovel

#211
20150275468
2015-10-01

Hydraulic system for working machine

#212
20150267371
2015-09-24

Digging equipment with relative improved hydraulic system

#213
20150260205
2015-09-17

Void protection system

#214
20150259887
2015-09-17

Hydraulic section for load sensing applications and multiple hydraulic distributor

#215
20150247511
2015-09-03

Reservoir with draining compartment

#216
20150226240
2015-08-13

FLUID ISOLATOR

#217
20150191898
2015-07-09

Fault detection, isolation and reconfiguration systems and methods for controlling electrohydraulic systems used in construction equipment

#218
20150128580
2015-05-14

Hydraulic brake

#219
20150098783
2015-04-09

Work vehicle

#220
20150042259
2015-02-12

Emergency stop method for hybrid construction equipment and brake control device

#221
20150040548
2015-02-12

Hydraulic system having low speed operation

#222
20150032337
2015-01-29

Control device for work vehicle

#223
20150027569
2015-01-29

Hydraulic attachment

#224
20150013318
2015-01-15

Hydraulic pressure control device for swing motor for construction machinery

#225
20140373925
2014-12-25

Method for controlling cooling fan-brake of construction equipment

#226
20140373401
2014-12-25

Quick-coupler

#227
20140367187
2014-12-18

Hydraulic control device for work machine

#228
20140365081
2014-12-11

Machine and method of manufacturing a machine

#229
20140360174
2014-12-11

Boom cylinder control circuit for construction machine

#230
20140360058
2014-12-11

Pump apparatus and underwater trenching apparatus

#231
20140323268
2014-10-30

Hydraulic drive of operating machine

#232
20140322045
2014-10-30

Engine overload prevention using a speed differential operated relief valve

#233
20140311140
2014-10-23

Cooling fan control device

#234
20140308106
2014-10-16

Void protection system

#235
20140288768
2014-09-25

Operation data collection device for construction machines

#236
20140283510
2014-09-25

Hydraulic drive system

#237
20140245729
2014-09-04

Hydraulic control device and operating machine having the same

#238
20140238923
2014-08-28

Work vehicle

#239
20140230288
2014-08-21

Implement with linkage assembly and work assembly wherein work assembly has dynamic skid shoe and a scraping edge

#240
20140224115
2014-08-14

Device to actuate a fluidconnector contamination cover

#241
20140193230
2014-07-10

Hydraulic fluid warm-up

#242
20140165548
2014-06-19

Work machine

#243
20140144130
2014-05-29

Arrangement for charging an accumulator

#244
20140123635
2014-05-08

Device to actuate a fluid connector contamination cover

#245
20140105713
2014-04-17

Boom lock system for work machine

#246
20140099212
2014-04-10

Automatic oil spill detection system

#247
20140083092
2014-03-27

Hydraulic circuit for construction equipment

#248
20140060099
2014-03-06

Construction machine and control method for cooling fan

#249
20140060026
2014-03-06

Work vehicle and work vehicle control method

#250
20140060020
2014-03-06

Hydraulic control system having over-pressure protection

#251
20140033693
2014-02-06

Reduced parasitic hydraulic fan system with reversing capability

#252
20140033691
2014-02-06

Hydraulic circuit control

#253
20140010688
2014-01-09

Hydraulic circuit for controlling booms of construction equipment

#254
20140007468
2014-01-09

Lubrication pump

#255
20140000250
2014-01-02

Lifting system and lifting method for jib of an operating machine, and an operating machine thereof

#256
20130343813
2013-12-26

Implement coupling system for a power machine

#257
20130340299
2013-12-26

Dynamic dampening of wire rope

#258
20130330160
2013-12-12

Construction machine with working attachment

#259
20130319786
2013-12-05

Construction machine

#260
20130318952
2013-12-05

Method for controlling a hydraulic pump of a wheel loader

#261
20130318841
2013-12-05

Tool coupler system having multiple pressure sources

#262
20130312403
2013-11-28

Hydraulic system for construction machine having electronic hydraulic pump

#263
20130312402
2013-11-28

Hydraulic system for work machine

#264
20130299256
2013-11-14

Hybrid construction machine

#265
20130261909
2013-10-03

Rollback prevention system for mobile machine

#266
20130255244
2013-10-03

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

#267
20130228246
2013-09-05

Work vehicle having hydraulic apparatus

#268
20130226415
2013-08-29

Continuously Productive Machine During Hydraulic System Overheat Condition

#269
20130167823
2013-07-04

Work vehicle fluid heating system

#270
20130146386
2013-06-13

Emergency steering system of construction equipment

#271
20130092366
2013-04-18

Work machine

#272
20130088593
2013-04-11

Surrounding area monitoring device for monitoring area around work machine

#273
20130081386
2013-04-04

System and method for controlling charging of an accumulator in an electro-hydraulic system

#274
20130058750
2013-03-07

Hybrid construction machine

#275
20130051912
2013-02-28

Construction machine with oil-cooled generator

#276
20130036728
2013-02-14

PUMP SUCTION CHARGING SYSTEM

#277
20130004279
2013-01-03

Construction machine

#278
20130001492
2013-01-03

Hydraulic circuit for counterweight attaching/detaching device

#279
20130000291
2013-01-03

Hydraulic circuit having energy storage and reuse

#280
20120310489
2012-12-06

Pump overspeed protection method and machine using same

#281
20120260641
2012-10-18

Overrunning pump protection for flow-controlled actuators

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Hydraulic driving device for working machine

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2012-09-13

Fault detection, isolation and reconfiguration systems and methods for controlling electrohydraulic systems used in construction equipment

#284
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2012-09-13

Construction machine

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2012-08-30

Hydraulic control system having cylinder stall strategy

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2012-08-16

Power Source Control Circuit for Working Machine

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2012-08-16

Cold start valve

#288
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2012-08-09

Engine speed control device and motor grader including the same

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2012-06-14

Operating oil temperature controller for hydraulic drive device

#290
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2012-05-31

HYDRAULIC FAN CIRCUIT HAVING ENERGY RECOVERY

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2012-05-03

Implement attaching to a forward motion-producing machine for elevating an edge encountering an immovable object

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2012-04-19

Swing control apparatus and swing control method for construction machinery

#293
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2012-03-08

Cooling device for construction machinery

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2012-02-23

Implement with linkage assembly and work assembly wherein work assembly has dynamic skid shoe and a scraping edge

#295
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2012-01-05

Hydraulic drive apparatus for construction equipment

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2011-11-03

CONTROLLER OF HYBRID CONSTRUCTION MACHINE

#297
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2011-10-27

Interference prevention control device of a machine

#298
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2011-08-18

Hydraulic Lift System And Control Method

#299
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2011-06-23

Device for detecting contamination level of operating oil

#300
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2011-04-21

Control system for a hydraulic coupler