Class E02F : DREDGING; SOIL-SHIFTING
Subclass 3/32: Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam working downwardly and towards the machine, e.g. with backhoes
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264451 | Hydraulic excavator | Jan 27, 21 | Apr 01, 25 | Hitachi Construction Machinery Co., Ltd. |
| 12264452 | Work machine | Mar 01, 22 | Apr 01, 25 | Hitachi Construction Machinery Co., Ltd. |
| 12252868 | Shovel | Oct 25, 21 | Mar 18, 25 | SUMITOMO CONSTRUCTION MACHINERY CO., LTD. |
| 12252870 | Ground engaging tool wear and loss detection system and method | Oct 30, 20 | Mar 18, 25 | Caterpillar Inc. |
| 12241220 | Working machine with coupling device for fluid-conducting lines | Oct 12, 23 | Mar 04, 25 | LIEBHERR-FRANCE SAS |
| 12241224 | Power-operated construction machine | Mar 26, 20 | Mar 04, 25 | Hitachi Construction Machinery Tierra Co., Ltd |
| 12241228 | Working machine | Jan 24, 22 | Mar 04, 25 | J. C. Bamford Excavators Limited |
| 12233890 | Remote operation support system, remote operation support method and remote operation supporting complex system | Jan 28, 22 | Feb 25, 25 | Kobelco Construction Machinery Co. LTD |
| 12234627 | Object visualization in construction heavy equipment | Dec 22, 22 | Feb 25, 25 | Caterpillar Sarl |
| 12215483 | Construction machine | Sep 16, 21 | Feb 04, 25 | Hitachi Construction Machinery Co., Ltd. |
| 12210102 | Map generation system and map generation method | May 25, 20 | Jan 28, 25 | Komatsu Ltd. |
| 12209392 | Work machine | Feb 07, 22 | Jan 28, 25 | Hitachi Construction Machinery Co., Ltd. |
| 12203238 | Work machine configured to set a mask range in a field of vision over an antenna for which part of the work machine can become an obstacle when receiving positioning signals from satellites | Sep 25, 20 | Jan 21, 25 | Hitachi Construction Machinery Co., Ltd. |
| 12203239 | Construction equipment and methods | Jun 10, 21 | Jan 21, 25 | Not available |
| 12195944 | Excavator | Nov 02, 21 | Jan 14, 25 | SUMITOMO CONSTRUCTION MACHINERY CO., LTD. |
| 12195945 | Machine body and working machine | Feb 26, 21 | Jan 14, 25 | Caterpillar Sarl |
| 12180679 | Shovel | Jan 13, 22 | Dec 31, 24 | SUMITOMO CONSTRUCTION MACHINERY CO., LTD. |
| 12180685 | Shovel, shovel management device, shovel management system, shovel supporting device | Mar 16, 22 | Dec 31, 24 | Sumitomo Heavy Industries Ltd. |
| 12179614 | Excavator | Mar 22, 22 | Dec 31, 24 | SUMITOMO CONSTRUCTION MACHINERY CO., LTD. |
| 12172647 | Method and system for engine and machine control | Mar 19, 21 | Dec 24, 24 | Caterpillar Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,085 | SYSTEM AND METHOD FOR CONTROLLING WORK MACHINE | Sep 29, 22 | Apr 10, 25 | Not available |
| 2025/0101,707 | ELECTRIC CYLINDER AND WORK MACHINE | Nov 17, 22 | Mar 27, 25 | Komatsu Ltd. |
| 2025/0092,637 | WORKING MACHINE | Dec 03, 24 | Mar 20, 25 | Kubota Corporation |
| 2025/0067,027 | WORK MACHINE | Sep 15, 22 | Feb 27, 25 | KOBELCO CONSTRUCTION MACHINERY CO. LTD |
| 2025/0059,728 | Work Machine | Feb 07, 23 | Feb 20, 25 | Not available |
| 2025/0050,724 | ELECTRIC EXCAVATOR | Dec 20, 22 | Feb 13, 25 | Komatsu Ltd. |
| 2025/0043,536 | Work Machine | Jul 14, 24 | Feb 06, 25 | Yanmar Holdings Co., Ltd. |
| 2025/0019,922 | Construction Machine | Mar 21, 23 | Jan 16, 25 | Not available |
| 2025/0019,931 | WORKING MACHINE | Sep 27, 24 | Jan 16, 25 | Not available |
| 2025/0019,933 | EXCAVATOR | Sep 27, 24 | Jan 16, 25 | Not available |
| 2025/0003,195 | GUIDE LINK ARM ASSEMBLY AND METHOD FOR A WORK MACHINE | Jun 27, 23 | Jan 02, 25 | Not available |
| 2024/0426,077 | HYDRAULIC CONTROL SYSTEM IN EXCAVATOR TYPE CONSTRUCTION MACHINE | Aug 19, 22 | Dec 26, 24 | Caterpillar Sarl |
| 2024/0410,132 | Electric Work Machine | May 08, 24 | Dec 12, 24 | Yanmar Holdings Co., Ltd. |
| 2024/0344,295 | SYSTEM FOR SETTING OPERATION RANGE OF EXCAVATION MACHINE AND METHOD FOR CONTROLLING SAME | Jun 22, 22 | Oct 17, 24 | Komatsu Ltd. |
| 2024/0328,118 | WORKING MACHINE | Jun 10, 24 | Oct 03, 24 | Kubota Corporation |
| 2024/0318,402 | EXCAVATOR | Feb 21, 24 | Sep 26, 24 | Not available |
| 2024/0301,655 | AGRICULTURAL WORK VEHICLE | Jul 14, 22 | Sep 12, 24 | Not available |
| 2024/0295,095 | SYSTEMS AND METHODS FOR PLANNING AN EXCAVATOR DIG CYCLE | Mar 02, 23 | Sep 05, 24 | Not available |
| 2024/0287,769 | WORK MACHINE SYSTEM | Jun 13, 22 | Aug 29, 24 | KOBELCO CONSTRUCTION MACHINERY CO. LTD |
| 2024/0287,761 | WORKING MACHINE | May 08, 24 | Aug 29, 24 | Kubota Corporation |
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