E02F 3/422
Drive systems for bucket-arms, front-end loaders, dumpers or the like
Official title: {Drive systems for bucket-arms, front-end loaders, dumpers or the like}
E02F3/422 (Drive systems for bucket-arms, front-end loaders, dumpers or the like) appears on 229 US grants and 277 published applications in this corpus.
Search patents in E02F- Granted patents
- 229
- Published applications
- 277
- Assignees
- 73
- Inventors
- 458
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 4 |
| 2013 | 2 | 4 |
| 2014 | 8 | 8 |
| 2015 | 8 | 12 |
| 2016 | 11 | 23 |
| 2017 | 14 | 14 |
| 2018 | 13 | 23 |
| 2019 | 23 | 22 |
| 2020 | 17 | 23 |
| 2021 | 15 | 27 |
| 2022 | 21 | 17 |
| 2023 | 20 | 22 |
| 2024 | 19 | 25 |
| 2025 | 24 | 24 |
| 2026 | 16 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Loader with improved arm path25 Aug 2026US 12,716,189 B2Great Plains Manufacturing, Inc.
- Loader with improved arm path25 Aug 2026US 12,716,190 B2Great Plains Manufacturing, Inc.
- Working machine and management system for working machine25 Aug 2026US 12,716,208 B2Sumitomo Construction Machinery Co., Ltd.
- Attachment frame with pivoting loader arm18 Aug 2026US 12,709,861 B2The Charles Machine Works, Inc.
- Work vehicle11 Aug 2026US 12,703,956 B2Hitachi Construction Machinery Co., Ltd.
- Control system for an articulated arm of an agricultural or work vehicle1 Oct 2026US 2026/0297890 A1CNH Industrial Italia S.p.A.
- Loader with improved arm path24 Sep 2026US 2026/0286644 A1Great Plains Manufacturing, Inc.
- Work machine and load mass calculation method24 Sep 2026US 2026/0286660 A1Komatsu Ltd.
- Work machine and load mass calculation method24 Sep 2026US 2026/0286661 A1Komatsu Ltd.
- Wheel loader17 Sep 2026US 2026/0275677 A1Hitachi Construction Machinery Co., Ltd.
Most cited
By later US patents
- Utility loader with high lift loader arms and unifying hand grip for dual traction control levers29US 9,970,176 B2The Toro Company · 2018
- Skid steer loader lift linkage assembly22US 9,017,005 B2Deere & Company · 2015
- Utility loader with high lift loader arms and unifying hand grip for dual traction control levers21US 10,221,540 B2The Toro Company · 2019
- Method and system for controlling a vehicle for loading or digging material17US 8,036,797 B2Deere & Company · 2011
- Hydraulic line attachment device and method16US 7,021,668 B2Westendorf Manufacturing Co., Inc. · 2006