ClassID:

128837

E02F3/404 - 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; Dippers; Buckets Grab device, e.g. manufacturing processes for buckets, form, geometry, material of buckets with means for facilitating the loading thereof, e.g. conveyors comprising two parts movable relative to each other, e.g. for gripping

Recent Application in this class:
#1
20260132590
2026-05-14

MATERIAL HANDLING ATTACHMENTS WITH STOWABLE GRAPPLE

#2
20260055577
2026-02-26

GRAPPLE CONTROL SYSTEM AND METHOD

#3
20260055576
2026-02-26

METHOD AND APPARATUS FOR CONTROLLING A LOADER (THIRD FUNCTION AUXILLARY)

#4
20250376827
2025-12-11

COUPLING DEVICE FOR A TOOL

#5
20250314048
2025-10-09

AUTOMATIC GRAB ASSISTANCE SYSTEM FOR CONSTRUCTION MACHINERY AND AUTOMATIC GRAB ASSISTANCE CONTROL METHOD FOR CONSTRUCTION MACHINERY

#6
20250198114
2025-06-19

EXCAVATOR ATTACHMENT WITH A WORKING TOOL

#7
20240328110
2024-10-03

THUMB APPARATUS FOR GROUND ENGAGING WORK TOOL

#8
20240294362
2024-09-05

PERFORATING CLAMSHELL BUCKET SYSTEM

#9
20240025709
2024-01-25

WORK MACHINE AND WORK MACHINE SUPPORT SYSTEM

#10
20230399811
2023-12-14

WORK DEVICE

#11
20230128543
2023-04-27

Modular hydraulic thumb for excavator

#12
20230117523
2023-04-20

Skid Loader Attachment Box

#13
20230067610
2023-03-02

Excavator thumb with structural support

#14
20230064244
2023-03-02

Yoke assembly for excavator thumb

#15
20220267987
2022-08-25

VARIABLE GRIP GRAPPLE

#16
20220136202
2022-05-05

TOOL FOR AN EXCAVATOR

#17
20220090347
2022-03-24

MULTIPURPOSE BUCKET

#18
20210323794
2021-10-21

Perforating clamshell bucket system

#19
20210309496
2021-10-07

SELF-POWERED CLAM BUCKET ASSEMBLY

#20
20210262189
2021-08-26

Grapple with Incorporated Winch

#21
20210180288
2021-06-17

DEBRIS GRIPPER AND EXTRACTOR FOR HYDRAULIC EQUIPMENT

#22
20200318312
2020-10-08

Power rake and multi-purpose bucket combo attachment

#23
20200157767
2020-05-21

Electric grapple for compact tractors with loader

#24
20200080278
2020-03-12

Slope-level-cut bucket

#25
20190292746
2019-09-26

Slope-level-cut bucket

#26
20190127947
2019-05-02

Clamp implement for excavator

#27
20190100896
2019-04-04

Robust multi-tool assembly for hydraulic excavators

#28
20180245307
2018-08-30

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

#29
20180172037
2018-06-21

System and method for providing hydraulic power

#30
20180171577
2018-06-21

DEBRIS GRIPPER AND EXTRACTOR FOR HYDRAULIC EQUIPMENT

#31
20180155899
2018-06-07

Simplified bucket articulated rake attachment

#32
20180135276
2018-05-17

Attachment assembly for clamping buckets and systems and methods thereof

#33
20180135275
2018-05-17

Grapple tip

#34
20180100287
2018-04-12

Clamshell scoop attachment for work vehicle

#35
20180066407
2018-03-08

Utility whisker broom

#36
20170335542
2017-11-23

Front attachment in traveling machine body for operation

#37
20170204586
2017-07-20

Shovel with pivoting bucket

#38
20170022684
2017-01-26

Excavator shearing implement

#39
20160340862
2016-11-24

Dual action grapple apparatus

#40
20160312433
2016-10-27

Arm for material handling machine

#41
20160281882
2016-09-29

Hose caddy for powered implements mounted on loaders

#42
20160281322
2016-09-29

Rock bucket attachment incorporating sweep-in grapple for conveying miscellaneous debris

#43
20160251823
2016-09-01

Apparatus and method for enhanced clamshell loader grading control

#44
20160177538
2016-06-23

Excavator thumb toolbar coupling system

#45
20160177537
2016-06-23

Combination excavating bucket having a retractable tooth arm

#46
20160102444
2016-04-14

Thumb assembly having a stop

#47
20150354166
2015-12-10

Bucket articulated rake attachment

#48
20150204047
2015-07-23

Thumb for an Excavator Machine with Structure Support

#49
20150184356
2015-07-02

Grasping apparatus and construction machine

#50
20150071700
2015-03-12

Attachable grapple mounting system

#51
20140373400
2014-12-25

Wear pad assembly

#52
20140231561
2014-08-21

Bucket for crushing inert material

#53
20140230291
2014-08-21

Augmented hydraulic thumb kinematic member length

#54
20140215866
2014-08-07

Thumb with detachable body

#55
20140102243
2014-04-17

Thumb Stop Cam Height Adjusting System and Method

#56
20140101976
2014-04-17

Pivoting thumb stop system and method

#57
20140007467
2014-01-09

Thumb for an excavator machine with structure support

#58
20130259627
2013-10-03

Stiff link thumb with dampener

#59
20130216347
2013-08-22

Implement carrier and implements

#60
20130192098
2013-08-01

Grapple bucket apparatus

#61
20130177382
2013-07-11

Gripping device for articulated work machine

#62
20130129461
2013-05-23

Bucket thumb assembly

#63
20130115038
2013-05-09

Detachable thumb assembly and backhoe digging apparatus comprising the same

#64
20130042507
2013-02-21

Dual-mode thumb for excavator

#65
20130000160
2013-01-03

Backhoe bucket moveable thumb assembly and method

#66
20120328400
2012-12-27

Excavator thumb assembly

#67
20120301257
2012-11-29

Excavator Thumb

#68
20120186112
2012-07-26

Material-handling bucket with scraper blade

#69
20120163950
2012-06-28

Excavator thumb assembly

#70
20120158234
2012-06-21

Apparatus and method for controlling automatic operation of working unit of wheel loader

#71
20120151808
2012-06-21

Thumb with detachable body

#72
20110318158
2011-12-29

Reach and pull action loader grapple

#73
20110236170
2011-09-29

Grapple for a skid steer loader

#74
20110216989
2011-09-08

Sandbag for mechanical filling using earth loader equipment

#75
20110099860
2011-05-05

Multi-purpose bucket

#76
20110095552
2011-04-28

GRASPING SYSTEM

#77
20110078930
2011-04-07

Multi-purpose bucket arrangement

#78
20110056099
2011-03-10

Method and apparatus for controlling the depth of cut of a trackhoe bucket

#79
20110033274
2011-02-10

Construction machine

#80
20110005636
2011-01-13

Device and method for filling multiple sandbags at a time

#81
20100319225
2010-12-23

Digging/trenching attachment or assembly that is horizontally movable with detachable tree boom for pivoting front end loader type machines

#82
20100301622
2010-12-02

Gripping member for a work tool

#83
20100283275
2010-11-11

Work tool for a machine

#84
20100206975
2010-08-19

Bucket type jaw crusher

#85
20100058622
2010-03-11

TOOTH BAR MOUNTING

#86
20090290966
2009-11-26

Thumb Accessory for Extendable Dipper Stick

#87
20090282710
2009-11-19

Multi-Function Material Moving Assembly and Method

#88
20090229433
2009-09-17

Cutting Tool and Construction Equipment Therfore

#89
20090217555
2009-09-03

Multiple purpose attachment for a front loader

#90
20090211121
2009-08-27

Multipurpose loader-bucket mounted implement apparatus and method

#91
20090077840
2009-03-26

Progressive linkage for excavator thumb

#92
20080282585
2008-11-20

Prehensile bucket attachment

#93
20080189989
2008-08-14

Bidirectional bulk material gathering apparatus and methods for gathering bulk materials

#94
20080127532
2008-06-05

Excavation bucket assembly

#95
20080097673
2008-04-24

Construction Machine

#96
20080086920
2008-04-17

BUCKET ASSEMBLY FOR EXCAVATOR

#97
20080047878
2008-02-28

Method of processing and sorting aggregate material

#98
20080016729
2008-01-24

Working Tool for a Piece of Earth-Moving Machinery

#99
20080011155
2008-01-17

Method and apparatus for coordinated linkage motion

#100
20070289173
2007-12-20

MATERIAL HANDLING ASSEMBLY

#101
20070280811
2007-12-06

Machine to unload ties off of railroad cars

#102
20070243054
2007-10-18

Latch

#103
20070220782
2007-09-27

Excavator thumb for use with excavator equipment

#104
20070130808
2007-06-14

Splitter grappler

#105
20070059148
2007-03-15

Independent hydraulic pinching fingers attachment for utility vehicles

#106
20060283056
2006-12-21

Gripping attachment for backhoe or excavator

#107
20060182600
2006-08-17

Attachment device for a loader bucket or fork

#108
20060150446
2006-07-13

Auxiliary device for excavator and excavator provided with said device

#109
20060048851
2006-03-09

Digging or gripping tool

#110
20050264018
2005-12-01

Grappling assembly for excavating machines and the like

#111
20050263631
2005-12-01

Crusher bucket with crushing lid

#112
20050220601
2005-10-06

Co-operatively actuating thumb apparatus

#113
20050200146
2005-09-15

Grabbing tool

#114
20050193599
2005-09-08

Excavator thumb for use with excavator equipment

#115
20050191163
2005-09-01

Grapple assembly for excavating machines and the like

#116
20050188568
2005-09-01

Grappling arm assembly with latching means

#117
20050116076
2005-06-02

Jaw crusher bucket

#118
20050115638
2005-06-02

Shear attachment assembly

#119
20050063774
2005-03-24

Attachment device for a load-bearing member

#120
20050042025
2005-02-24

Work tool locking device

#121
16820862
2022-11-08

Excavator bucket with retractable teeth

#122
16218887
2021-10-12

Excavator scraper attachment

#123
15287069
2017-12-26

Rock sifting and removing tractor attachment device

#124
13680003
2016-05-31

Excavator thumb having hardened removable teeth defining a platform beyond a wear and tear surface of thumb