E02F 3/3631
With a hook and a transversal locking element
Official title: {with a hook and a transversal locking element}
E02F3/3631 (With a hook and a transversal locking element) appears on 124 US grants and 103 published applications in this corpus.
Search patents in E02F- Granted patents
- 124
- Published applications
- 103
- Assignees
- 71
- Inventors
- 250
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 1 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 3 | 2 |
| 2006 | 3 | 4 |
| 2007 | 2 | 4 |
| 2008 | 1 | 2 |
| 2009 | 3 | 4 |
| 2010 | 5 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 7 |
| 2013 | 5 | 4 |
| 2014 | 3 | 1 |
| 2015 | 7 | 5 |
| 2016 | 2 | 6 |
| 2017 | 3 | 10 |
| 2018 | 8 | 2 |
| 2019 | 5 | 5 |
| 2020 | 4 | 9 |
| 2021 | 5 | 3 |
| 2022 | 5 | 3 |
| 2023 | 1 | 3 |
| 2024 | 2 | 5 |
| 2025 | 4 | 3 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Quick attach implement coupler72US 5,082,065 ASupport Services International, Inc. · 1992
- Automatic quick-connect coupler for implements67US 5,692,855 AFarmers' Factory Company · 1997
- Quick change attachment63US 3,985,249 AInternational Harvester Company · 1976
- Bucket attachment device with remote controlled retractable pins58US 5,546,683 A1996
- Multipurpose work attachment for a front end loader53US 5,564,885 A1996