A01B 59/004
Length-adjustable links
Official title: {Length-adjustable links}
A01B59/004 (Length-adjustable links) appears on 68 US grants and 47 published applications in this corpus.
Search patents in A01B- Granted patents
- 68
- Published applications
- 47
- Assignees
- 34
- Inventors
- 105
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 3 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 8 |
| 2020 | 4 | 2 |
| 2021 | 7 | 4 |
| 2022 | 1 | 8 |
| 2023 | 4 | 1 |
| 2024 | 3 | 3 |
| 2025 | 4 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hitch device for agricultural vehicle22 Sep 2026US 12,740,497 B2
- Apparatus, systems and methods for steerable toolbars16 Jun 2026US 12,653,085 B2Ag Leader Technology
- Stabilizer7 Oct 2025US 12,433,180 B2Walterscheid GmbH
- Universal tractor implement23 Sep 2025US 12,419,203 B2
- Stabilizer1 Apr 2025US 12,262,653 B2Walterscheid GmbH
- Universal tractor implement23 Apr 2026US 2026/0107864 A1
- Coupling arrangement for an agricultural tractor31 Jul 2025US 2025/0241220 A1Deere & Company
- Improvements in or relating to hitching7 Nov 2024US 2024/0367468 A1Pearson Engineering Limited
- Coupling arrangement for an agricultural tractor29 Aug 2024US 2024/0284816 A1Deere & Company
- Connector link of three-point linkage20 Jun 2024US 2024/0196773 A1Uniparts India Ltd.
Most cited
By later US patents
- Coupling member47US 4,236,613 A1980
- Tractor hitch and adjustable arm32US 4,778,194 AJ. I. Case Company · 1988
- Adjustable link assembly28US 6,609,575 B1AGCO Corporation · 2003
- Adjustable link assembly26US 7,048,071 B1Deere & Company · 2006
- Mechanical link members25US 4,191,280 AUni-Drive (Tractors) Limited · 1980