E02F 3/04
Mechanically-driven
Official title: mechanically-driven
E02F3/04 (Mechanically-driven) appears on 10,439 US grants and 9,109 published applications in this corpus.
Search patents in E02F- Granted patents
- 10,439
- Published applications
- 9,109
- Assignees
- 2,192
- Inventors
- 13,668
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 215 | 0 |
| 1977 | 187 | 0 |
| 1978 | 190 | 0 |
| 1979 | 126 | 0 |
| 1980 | 140 | 0 |
| 1981 | 160 | 0 |
| 1982 | 137 | 0 |
| 1983 | 119 | 0 |
| 1984 | 86 | 0 |
| 1985 | 86 | 0 |
| 1986 | 79 | 0 |
| 1987 | 92 | 0 |
| 1988 | 108 | 0 |
| 1989 | 143 | 0 |
| 1990 | 126 | 0 |
| 1991 | 93 | 0 |
| 1992 | 102 | 0 |
| 1993 | 119 | 0 |
| 1994 | 78 | 0 |
| 1995 | 97 | 0 |
| 1996 | 108 | 0 |
| 1997 | 115 | 0 |
| 1998 | 134 | 0 |
| 1999 | 171 | 0 |
| 2000 | 174 | 0 |
| 2001 | 151 | 41 |
| 2002 | 143 | 119 |
| 2003 | 143 | 153 |
| 2004 | 128 | 174 |
| 2005 | 134 | 179 |
| 2006 | 147 | 180 |
| 2007 | 105 | 169 |
| 2008 | 86 | 176 |
| 2009 | 135 | 224 |
| 2010 | 173 | 180 |
| 2011 | 155 | 192 |
| 2012 | 130 | 213 |
| 2013 | 177 | 307 |
| 2014 | 245 | 424 |
| 2015 | 333 | 392 |
| 2016 | 321 | 542 |
| 2017 | 433 | 549 |
| 2018 | 424 | 550 |
| 2019 | 513 | 479 |
| 2020 | 437 | 605 |
| 2021 | 413 | 597 |
| 2022 | 438 | 627 |
| 2023 | 394 | 567 |
| 2024 | 567 | 579 |
| 2025 | 534 | 509 |
| 2026 | 395 | 382 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02F 3/28With digging tools mounted on a dipper- or bucket-arm , i.e. there5,946
- E02F 3/76Graders, bulldozers, or the like with scraper plates or ploughshare-like elements2,095
- E02F 3/96With arrangements for alternate or simultaneous use of different digging elements1,698
- E02F 3/88With arrangements acting by a sucking or forcing effect849
- E02F 3/18With digging wheels turning round an axis439
- E02F 3/46With reciprocating digging or scraping elements moved by cables or hoisting ropes422
- E02F 3/627Devices to connect beams or arms to tractors or similar self-propelled machines292
- E02F 3/08With digging elements on an endless chain248
Recent patents
- Bucket with multiple radius wrapper6 Oct 2026US 12,753,567 B2Caterpillar Inc.
- Working machine6 Oct 2026US 12,753,568 B2J. C. Bamford Excavators Limited
- Construction machine6 Oct 2026US 12,753,569 B2Hitachi Construction Machinery Co., Ltd.
- Control device and control method for loading machine6 Oct 2026US 12,753,570 B2Komatsu Ltd.
- Control device, work machine, control method, and control system6 Oct 2026US 12,753,571 B2Komatsu Ltd.
- Mobile machine including thumb control system and associated method8 Oct 2026US 2026/0308867 A1Caterpillar Inc.
- Drive system of working machine8 Oct 2026US 2026/0308868 A1
- Autonomous driving information calculation system and autonomous driving information calculation method8 Oct 2026US 2026/0308869 A1Hazama Ando Corporation
- Drive system for work machine, control device for work machine, control method for work machine, and storage medium storing control program for work machine8 Oct 2026US 2026/0308870 A1Nabtesco Corporation
- Multidirectional grading control for work machines8 Oct 2026US 2026/0308871 A1Deere & Company
Most cited
By later US patents
- Method and apparatus for establishing a perimeter defining an area to be traversed by a mobile machine227US 6,112,143 ACaterpillar Inc. · 2000
- Method and apparatus for real-time monitoring and coordination of multiple geography altering machines on a work site223US 5,646,844 ACaterpillar Inc. · 1997
- Position sensing system for surveying and grading189US 4,820,041 AAGTEK Development Company, Inc. · 1989
- Method and apparatus for accurately positioning a tool on a mobile machine using on-board laser and positioning system172US 6,108,076 ATrimble Navigation Limited · 2000
- System for autonomous excavation and truck loading171US 6,363,632 B1Carnegie Mellon University · 2002