E02F 3/3645
With auto-engagement means for automatic snap-on of the tool coupler part
Official title: {with auto-engagement means for automatic snap-on of the tool coupler part}
E02F3/3645 (With auto-engagement means for automatic snap-on of the tool coupler part) appears on 61 US grants and 53 published applications in this corpus.
Search patents in E02F- Granted patents
- 61
- Published applications
- 53
- Assignees
- 36
- Inventors
- 98
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 3 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 3 |
| 2013 | 3 | 1 |
| 2014 | 1 | 4 |
| 2015 | 0 | 4 |
| 2016 | 3 | 3 |
| 2017 | 3 | 4 |
| 2018 | 3 | 2 |
| 2019 | 6 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 4 | 3 |
| 2024 | 0 | 1 |
| 2025 | 3 | 5 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Locking device for a quick coupler30 Sep 2025US 12,428,799 B2Wedgelock Equipment Limited
- Quick coupler4 Mar 2025US 12,241,219 B2Wedgelock Equipment Limited
- Quick coupler automatic locking mechanism and method18 Feb 2025US 12,227,916 B2Caterpillar Inc.
- Locking device for a quick coupler19 Dec 2023US 11,846,083 B2Wedgelock Equipment Limited
- Pin grabber coupler3 Oct 2023US 11,773,562 B2Caterpillar SARL
- Quick-change apparatus for engineering machinery and engineering machinery30 Jul 2026US 2026/0218480 A1Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Locking device for a quick coupler8 Jan 2026US 2026/0009201 A1Wedgelock Equipment Limited
- Quick-release fastener for construction machinery23 Oct 2025US 2025/0327267 A1
- High-security quick-release fastener23 Oct 2025US 2025/0327268 A1
- Quick-release fastener for construction machinery23 Oct 2025US 2025/0327269 A1
Most cited
By later US patents
- Connector with a spring-biased closure member65US 5,082,389 A1992
- Quick change attachment63US 3,985,249 AInternational Harvester Company · 1976
- Quick coupler51US 4,243,356 ACaterpillar Mitsubishi Ltd. · 1981
- Quick-release coupler50US 4,214,840 AJ. H. Beales Steel Fabricators, Ltd. · 1980
- Front end loader and method of mounting same on tractor44US 4,033,469 AF & W Company, Inc. · 1977