A01B 59/067
The lower arms being lifted or lowered by power actuator means internally
Official title: {the lower arms being lifted or lowered by power actuator means internally incorporated in the tractor}
A01B59/067 (The lower arms being lifted or lowered by power actuator means internally) appears on 32 US grants and 39 published applications in this corpus.
Search patents in A01B- Granted patents
- 32
- Published applications
- 39
- Assignees
- 18
- Inventors
- 94
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 6 |
| 2020 | 0 | 1 |
| 2021 | 4 | 4 |
| 2022 | 1 | 11 |
| 2023 | 3 | 1 |
| 2024 | 2 | 6 |
| 2025 | 4 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Adjustable End Stop19 Mar 2026US 2026/0076280 A1
- Outdoor power equipment vehicle adapted for performing work operations on turf surfaces8 Jan 2026US 2026/0008506 A1The Toro Company
- Method for controlling a three-point hitch16 Jan 2025US 2025/0017123 A1Deere & Company
- Coupling assembly for a three-point hitch of an agricultural tractor26 Dec 2024US 2024/0423111 A1Deere & Company
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Most cited
By later US patents
- Three-point coupling device30US 4,944,354 AJean Walterscheid GmbH · 1990
- Hitch raise rate calibration method14US 7,142,968 B2Deere & Company · 2006
- Tool suspension13US 4,125,271 ARO-WI Rosenberg & Wilboltt I/S · 1978
- Hitch10US 4,688,819 ADeere & Company · 1987
- Hitch apparatus for tractor lift arms6US 5,544,708 A1996