ClassID:

128821

E02F3/3663 - CPC Classification

Classification description:

Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms , e.g. dippers, buckets; Component parts; Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated

Recent Application in this class:
#1
20260132588
2026-05-14

WORK MACHINE

#2
20260078561
2026-03-19

Quick Tool Coupler System

#3
20260028795
2026-01-29

WORKING VEHICLE AND ATTACHMENT USAGE SYSTEM

#4
20260022539
2026-01-22

WORKING VEHICLE AND MANAGEMENT SYSTEM TO MANAGE ATTACHMENTS

#5
20260022532
2026-01-22

WORKING VEHICLE AND ATTACHMENT USAGE SYSTEM

#6
20260009201
2026-01-08

LOCKING DEVICE FOR A QUICK COUPLER

#7
20250361696
2025-11-27

ELECTRIC MOTOR DRIVEN LOADER WITH ELECTRIC MOTOR POWERED HYDRAULICS

#8
20250314037
2025-10-09

ATTACHMENT ATTACHING/DETACHING DEVICE

#9
20250283294
2025-09-11

ROTARY AND/OR SWIVEL UNIT

#10
20250268117
2025-08-28

IMPROVED CONNECTION METHOD, CONNECTION SYSTEM AND RADIO-CONTROLLED VEHICLE

#11
20250230625
2025-07-17

COUPLING ASSEMBLY AND METHOD OF HYDRAULICALLY COUPLING TO A TOOL

#12
20250207350
2025-06-26

MODULAR BODY COMPARTMENT

#13
20250198113
2025-06-19

QUICK COUPLER

#14
20250109567
2025-04-03

MACHINERY IMPLEMENT COUPLING APPARATUS

#15
20240384497
2024-11-21

Construction Machine

#16
20240384496
2024-11-21

ATTACHMENT TOOL COUPLING ASSEMBLY FOR A CONSTRUCTION VEHICLE

#17
20240376686
2024-11-14

LOADER COUPLER WITH VISUAL LOCKING INDICATOR

#18
20240376683
2024-11-14

A COUPLER

#19
20240328110
2024-10-03

THUMB APPARATUS FOR GROUND ENGAGING WORK TOOL

#20
20240301650
2024-09-12

WORKING VEHICLE

#21
20240301649
2024-09-12

COUPLER

#22
20240279906
2024-08-22

Load-controlled hydraulic supply for a utility vehicle

#23
20240279900
2024-08-22

A COUPLING ARRANGEMENT FOR COUPLING A TOOL TO A MACHINE

#24
20240191470
2024-06-13

CONTROLLER FOR A WORK MACHINE

#25
20240191469
2024-06-13

CONTROLS FOR A WORK MACHINE

#26
20240191468
2024-06-13

WORK MACHINE WITH AUTOMATIC CAB TILTING

#27
20240175223
2024-05-30

POWER UNIT WITH SALT SPREADER AND SALT SPREADER FOR USE THEREWITH

#28
20240117603
2024-04-11

Universal Hydraulic Connecting Quick Coupler System

#29
20240110359
2024-04-04

QUICK COUPLER

#30
20240068196
2024-02-29

A LOCKING DEVICE FOR A QUICK COUPLER

#31
20240026632
2024-01-25

QUICK COUPLER AND QUICK COUPLER SYSTEM WITH SUCH A QUICK COUPLER

#32
20240018739
2024-01-18

Anti-release mechanism

#33
20230417011
2023-12-28

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

#34
20230366170
2023-11-16

CONSTRUCTION MACHINE ATTACHMENT MOUNTING AND DEMOUNTING APPARATUS AND CONSTRUCTION MACHINE EQUIPPED WITH SAME

#35
20230358012
2023-11-09

UNIVERSAL HYDRAULIC AUXILIARY DEPRESSURIZATION CIRCUIT

#36
20230313485
2023-10-05

Quick-change unit and quick-change system

#37
20230235526
2023-07-27

Quick coupler

#38
20230160180
2023-05-25

ZipLevel(R) EZDepth(R) Tool for excavators

#39
20230160172
2023-05-25

Quick coupler automatic locking mechanism and method

#40
20230151581
2023-05-18

COUPLING APPARATUS

#41
20230132291
2023-04-27

WORK TOOL MOUNTING MECHANISM

#42
20230131971
2023-04-27

PIN COUPLER WITH SAFETY LOCK

#43
20230109143
2023-04-06

Loader with pivoting battery array support

#44
20230103926
2023-04-06

ELECTRIC MOTOR DRIVEN LOADER WITH ELECTRIC MOTOR POWERED HYDRAULICS

#45
20230098551
2023-03-30

HYDRAULIC SYSTEM FOR WORK MACHINE, WORK MACHINE, AND METHOD FOR CONTROLLING HYDRAULIC SYSTEM

#46
20230019996
2023-01-19

Pin grabber coupler

#47
20220381000
2022-12-01

PACKER

#48
20220298742
2022-09-22

ASSEMBLY FOR SECURELY COUPLING A TOOL ON A WORKING ARM OF A PUBLIC WORKS MACHINE WITH IMPROVED OPERATION

#49
20220290398
2022-09-15

Linkage for arm assembly with reduced weld fatigue

#50
20220282446
2022-09-08

COUPLING DEVICE

#51
20220251805
2022-08-11

Pin actuation system and method

#52
20220186457
2022-06-16

Quick coupler circuit of construction machine with automatic pressurization system

#53
20220120054
2022-04-21

Quick-Change System for Changing Attachments on a Construction Machine

#54
20220106762
2022-04-07

Quick-hitch for construction vehicle tools

#55
20220098821
2022-03-31

Coupler

#56
20220098810
2022-03-31

Belt drive power unit

#57
20220098809
2022-03-31

Power unit for treating a surface

#58
20220090346
2022-03-24

Attachment coupler

#59
20220090338
2022-03-24

POWER UNIT WITH SALT SPREADER AND SALT SPREADER FOR USE THEREWITH

#60
20220056662
2022-02-24

DEVICE TO COUPLE MEMBERS OF A HEAVY-DUTY MACHINE

#61
20220034061
2022-02-03

I-LOCK COUPLER

#62
20220018090
2022-01-20

QUICK-CHANGE SYSTEM FOR CHANGING ATTACHMENTS ON A CONSTRUCTION MACHINE

#63
20220018089
2022-01-20

WORKING MACHINE

#64
20220018087
2022-01-20

Working machine

#65
20210404146
2021-12-30

Construction Machine

#66
20210381192
2021-12-09

Adapter for a quick-change system and quick-change system with such an adapter

#67
20210348360
2021-11-11

Quick coupler having lateral actuating levers

#68
20210324600
2021-10-21

Quick coupling having a centering device

#69
20210309496
2021-10-07

SELF-POWERED CLAM BUCKET ASSEMBLY

#70
20210292992
2021-09-23

Coupling assembly and method of hydraulically coupling to a tool

#71
20210270008
2021-09-02

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

#72
20210270005
2021-09-02

Quick-change device

#73
20210222392
2021-07-22

Coupler

#74
20210207338
2021-07-08

Bell crank apparatus for a work machine

#75
20210172141
2021-06-10

Hydraulic power shovel with tamping function

#76
20210131057
2021-05-06

Coupler

#77
20210123211
2021-04-29

COUPLER CONTROL SYSTEM

#78
20210087785
2021-03-25

Working machine

#79
20210071373
2021-03-11

Quick change chamber for milling machine

#80
20210025144
2021-01-28

System for detecting locking pin engagement of an implement

#81
20200392692
2020-12-17

Coupling assembly and method of hydraulically coupling to a tool

#82
20200392691
2020-12-17

Quick coupler with hydraulic coupling manifold

#83
20200385952
2020-12-10

AN IMPLEMENT ATTACHMENT DEVICE

#84
20200270840
2020-08-27

Hydraulic system for a vehicle as well as a vehicle with such a hydraulic system

#85
20200263382
2020-08-20

Quick coupler

#86
20200217040
2020-07-09

Coupler with power connection system

#87
20200190765
2020-06-18

Tool coupling arrangement having zero offset

#88
20200080577
2020-03-12

Safety device for quick coupler

#89
20200080276
2020-03-12

Working device

#90
20200048860
2020-02-13

Attachment Coupling Link For Excavator

#91
20200040546
2020-02-06

Attachment coupling device for heavy industrial equipment

#92
20200018036
2020-01-16

Coupler push down eject lever

#93
20200018032
2020-01-16

Power unit with salt spreader and salt spreader for use therewith

#94
20200018029
2020-01-16

Unique attachment assembly and method of use

#95
20200011022
2020-01-09

Hydraulic driving apparatus of work machine

#96
20190382979
2019-12-19

Hydraulic coupling

#97
20190368155
2019-12-05

Tool changer for a construction machine

#98
20190330819
2019-10-31

Quick coupler circuit and quick coupler attachment/detachment method

#99
20190309498
2019-10-10

Quick connect and disconnect hammer tool

#100
20190218750
2019-07-18

Construction machine

#101
20190194004
2019-06-27

LOCKING SYSTEM FOR A WORKING MACHINE

#102
20190100896
2019-04-04

Robust multi-tool assembly for hydraulic excavators

#103
20190032301
2019-01-31

Coupler assembly for coupling an arm to a work tool

#104
20180355580
2018-12-13

QUICK-CHANGE DEVICE

#105
20180355579
2018-12-13

Locking device for a quick coupler

#106
20180298583
2018-10-18

Quick-change device

#107
20180255707
2018-09-13

Lock proving system for an agricultural machine attachment

#108
20180245307
2018-08-30

Rock bucket attachment incorporating sweep-in grapple for partial or full collection and conveying of miscellaneous debris

#109
20180238015
2018-08-23

System and method for coupling an implement to a work vehicle

#110
20180171576
2018-06-21

Indication system for a quick coupler assembly

#111
20180148903
2018-05-31

Coupler

#112
20180127947
2018-05-10

Coupler for earth moving or materials handling machine

#113
20180112372
2018-04-26

Work vehicle

#114
20180066418
2018-03-08

Visual indicator for a coupler

#115
20180038063
2018-02-08

Single cylinder hydraulic coupler

#116
20180023269
2018-01-25

HYDRAULIC DEVICE

#117
20180010318
2018-01-11

Quick coupler with independent locking element and securing element

#118
20170362794
2017-12-21

Implement attachment device

#119
20170362793
2017-12-21

Coupling pin extracting apparatus and working machine provided with same

#120
20170350090
2017-12-07

Implement coupling device and a machine provided with such a device

#121
20170335540
2017-11-23

Coupler with contactless attachment engagement detection

#122
20170328026
2017-11-16

Self-locking attachment coupler

#123
20170321389
2017-11-09

Integrated excavator pin grabber quick coupler

#124
20170275847
2017-09-28

Tool holder for a work vehicle or construction machine

#125
20170268197
2017-09-21

Coupler for an implement assembly

#126
20170233978
2017-08-17

Quick hitch for tools of excavators, cranes, crawler-type vehicles or the like

#127
20170191240
2017-07-06

Work Tool Coupler Engagement System

#128
20170159263
2017-06-08

Valve unit for a quick-changer and quick-change system

#129
20170107687
2017-04-20

Quick coupler

#130
20170067223
2017-03-09

Quick coupler

#131
20170030047
2017-02-02

Quick coupler control device for working machine

#132
20160356339
2016-12-08

Vibration damper for high load

#133
20160326712
2016-11-10

Quick coupler having spring applied, hydraulically released primary and secondary lock members mounted on same cross shaft

#134
20160319508
2016-11-03

IMPROVEMENTS TO COUPLERS

#135
20160281320
2016-09-29

Coupler device

#136
20160281319
2016-09-29

SAFETY LOCK DEVICE FOR QUICK COUPLER

#137
20160273184
2016-09-22

Assembly composed of a tool, a handling apparatus and a quick coupling device between tool and apparatus

#138
20160251835
2016-09-01

Control system for construction machine, construction machine, and method for controlling construction machine

#139
20160251820
2016-09-01

WORK TOOL ASSEMBLY AND COUPLER

#140
20160244939
2016-08-25

Implement interface

#141
20160237656
2016-08-18

COUPLERS

#142
20160222622
2016-08-04

Tool coupler

#143
20160176691
2016-06-23

Tool coupler having compact locking configuration

#144
20160153164
2016-06-02

Coupler

#145
20160076220
2016-03-17

Arrangement for the removable coupling of a tool with a manoeuvrable arm of a working machine

#146
20160002877
2016-01-07

Coupler for coupling attachments to excavation machines

#147
20150330053
2015-11-19

A COUPLER

#148
20150322646
2015-11-12

A LOCKING MECHANISM

#149
20150275466
2015-10-01

IMPLEMENT INTERFACE

#150
20150240456
2015-08-27

Apparatus for connecting an appliance/tool and a method therefor

#151
20150233085
2015-08-20

IMPLEMENT SYSTEM

#152
20150225920
2015-08-13

Quick coupler

#153
20150093226
2015-04-02

Arrangement for effecting float condition in loader hydraulic lift cylinder when hydraulic fluid supply is decoupled

#154
20150068073
2015-03-12

Self-locking attachment coupler

#155
20150020892
2015-01-22

Implement interface

#156
20140373401
2014-12-25

Quick-coupler

#157
20140356059
2014-12-04

Quick-coupler

#158
20140341648
2014-11-20

Front pin lock for a tool attachment device

#159
20140331663
2014-11-13

Quick coupler hydraulic control system

#160
20140321956
2014-10-30

Coupler-assembly for attaching bucket or the like to articulating arm

#161
20140301779
2014-10-09

Couplers

#162
20140294497
2014-10-02

LOCKING SYSTEM FOR QUICK COUPLER

#163
20140224115
2014-08-14

Device to actuate a fluidconnector contamination cover

#164
20140219714
2014-08-07

Coupler

#165
20140123635
2014-05-08

Device to actuate a fluid connector contamination cover

#166
20140064899
2014-03-06

Loading work apparatus with attachment tools

#167
20140064824
2014-03-06

Quick coupler for an earth moving machine

#168
20140030005
2014-01-30

Quick coupler

#169
20140020917
2014-01-23

Tiltable tool assembly

#170
20130343813
2013-12-26

Implement coupling system for a power machine

#171
20130322959
2013-12-05

Tool coupler having anti-release mechanism

#172
20130322954
2013-12-05

Quick coupler

#173
20130320122
2013-12-05

Attachment with interchangeable jaw

#174
20130318841
2013-12-05

Tool coupler system having multiple pressure sources

#175
20130199644
2013-08-08

Coupling arrangement

#176
20130177376
2013-07-11

Coupling arrangement

#177
20130160269
2013-06-27

Quick coupler

#178
20130160268
2013-06-27

QUICK COUPLER

#179
20130045073
2013-02-21

Zero offset loader coupling system and components

#180
20130011180
2013-01-10

Quick safety connection for coupling a tool to an operating machine

#181
20130008153
2013-01-10

TOOL COUPLER ASSEMBLY

#182
20120325505
2012-12-27

Coupler with visibility window

#183
20120291316
2012-11-22

Coupler

#184
20120266432
2012-10-25

Couplers

#185
20120237283
2012-09-20

Compact quick coupling mechanism for tool attachment

#186
20120230760
2012-09-13

Coupler with Magnet

#187
20120219356
2012-08-30

Coupler for Coupling an Attachment to a Machine

#188
20120201598
2012-08-09

COUPLER

#189
20120189380
2012-07-26

Coupler

#190
20120177472
2012-07-12

Hydraulic coupler with pin retention system for coupling an attachment to a work machine

#191
20120128404
2012-05-24

IMPLEMENT ATTACHMENT HAVING A HYDRAULICALLY CONTROLLED LOCKING FUNCTION

#192
20120093572
2012-04-19

Attachment coupler for heavy machinery

#193
20110313625
2011-12-22

COUPLER WITH COUPLING STATUS SENSORS

#194
20110286788
2011-11-24

Coupler with pivoting front hook lock

#195
20110280648
2011-11-17

QUICK COUPLING DEVICE FOR WORK VEHICLES AND MACHINES IN GENERAL

#196
20110262212
2011-10-27

WORK TOOL COUPLING ARRANGEMENT

#197
20110252673
2011-10-20

Quick coupling device for connecting a tool to a handling equipment, such as the arm of an excavator

#198
20110243654
2011-10-06

Coupler

#199
20110232070
2011-09-29

Coupler

#200
20110209608
2011-09-01

Tool coupler assembly

#201
20110150618
2011-06-23

Modular system for connecting attachments to a construction machine

#202
20110147032
2011-06-23

Tiltable tool assembly

#203
20110116903
2011-05-19

Attachment mounting apparatus for movable work vehicle

#204
20110091267
2011-04-21

COUPLER

#205
20110088795
2011-04-21

Control system for a hydraulic coupler

#206
20110033273
2011-02-10

Dipper stick with implement coupling means

#207
20110020061
2011-01-27

Quick coupler

#208
20110010915
2011-01-20

Safety locking device

#209
20100322702
2010-12-23

Quick Coupling Assembly

#210
20100275474
2010-11-04

Coupler

#211
20100254755
2010-10-07

Quick coupling device

#212
20100247228
2010-09-30

Couplers and vehicles provided with couplers

#213
20100232920
2010-09-16

Coupler for earth moving or materials handling machine

#214
20100192425
2010-08-05

Fully automatic coupler for excavator arm

#215
20100189535
2010-07-29

Coupler device to connect bucket or tool to boom arm

#216
20100185335
2010-07-22

WORK MACHINE CONTROL DEVICE

#217
20100183417
2010-07-22

COUPLING FOR MACHINE TOOLS

#218
20100129145
2010-05-27

Connector for earth moving implements

#219
20100107456
2010-05-06

Coupler

#220
20100095720
2010-04-22

LOCKING DEVICES

#221
20100067982
2010-03-18

Coupler for excavators

#222
20100061799
2010-03-11

Coupler with gravity operated safety device

#223
20100052312
2010-03-04

Power source coupling and coupler having a power source coupling

#224
20100031539
2010-02-11

Spread-style coupler with supplemental safety lock

#225
20090311086
2009-12-17

Hydraulic coupler

#226
20090304486
2009-12-10

Zero offset loader coupling system and components

#227
20090255151
2009-10-15

Coupling configuration with a device for connecting energy transmission lines

#228
20090235561
2009-09-24

Quick-change device

#229
20090223096
2009-09-10

TOOL IDENTIFICATION

#230
20090220326
2009-09-03

Safety Device for Hydraulic Hitch Assembly

#231
20090191038
2009-07-30

MIXED UNLOCKING COUPLER FOR HEAVY-CONSTRUCTION MACHINE

#232
20090095365
2009-04-16

Valve block, tool attachment, a working machine and the use of a valve block

#233
20090007465
2009-01-08

Quick coupler assembly

#234
20080296031
2008-12-04

Quick coupling mechanism for tool attachment

#235
20080238116
2008-10-02

Systems and methods for connecting and adapting a grapple assembly

#236
20080193210
2008-08-14

Pin grabber coupler

#237
20080175657
2008-07-24

Spread-style coupler with supplemental lock system

#238
20080170933
2008-07-17

Attachment coupler

#239
20080141566
2008-06-19

Loader coupler with multiple pick-up locations

#240
20080110650
2008-05-15

Machine, hydraulic system and method for providing hydraulic power

#241
20080101908
2008-05-01

Remote controlled latching system

#242
20080067784
2008-03-20

Safety locking device

#243
20080052969
2008-03-06

Working device with coupling means for operatively coupling it to a vehicle

#244
20080000658
2008-01-03

Quick connect mechanism

#245
20070248445
2007-10-25

Locking device for hydraulic attachment interface

#246
20070245603
2007-10-25

Quick coupler

#247
20070199214
2007-08-30

Excavator tool quick attachment device

#248
20070166143
2007-07-19

Quick coupler lock system

#249
20070130932
2007-06-14

Pressure switch control for attachment coupling system

#250
20070128014
2007-06-07

Control circuit for an attachment mounting device

#251
20070022750
2007-02-01

Hydraulic arrangement

#252
20060254096
2006-11-16

Quick attach coupling device

#253
20060245903
2006-11-02

Powered coupling of attachment hydraulics

#254
20060245898
2006-11-02

Work tool coupling device for a machine

#255
20060237201
2006-10-26

Safety device for attachment fastening device of power shovel

#256
20060107557
2006-05-25

Arm assembly for excavation apparatus and method of using same

#257
20060104789
2006-05-18

Working machine comprising an implement coupling and an implement locking element

#258
20060101953
2006-05-18

Tool holder with hydraulic coupling means

#259
20060070270
2006-04-06

Connector for earth moving implements

#260
20060037220
2006-02-23

Coupler for coupling an accessory to a dipper arm and a control system for such a coupler

#261
20050252048
2005-11-17

Securing device

#262
20050232742
2005-10-20

Quick-coupler device

#263
20050214105
2005-09-29

Hydraulic coupler

#264
20050204591
2005-09-22

Construction machine with a quick coupler

#265
20050169703
2005-08-04

Spread-style coupler with supplemental lock system

#266
20050045348
2005-03-03

Loader coupler or other attachment with adjustable stops

#267
18395983
2024-07-30

Modular body compartment

#268
17508336
2024-11-19

Self adjusting twin stage locking coupler

#269
17245931
2024-10-29

Utility truck body with integrated multifunctional hydraulic arm and lift assembly

#270
16176544
2020-06-02

Plow conversion kit

#271
15800246
2019-01-15

Plow conversion kit