E02F 3/364
Using wedges
Official title: {using wedges}
E02F3/364 (Using wedges) appears on 119 US grants and 110 published applications in this corpus.
Search patents in E02F- Granted patents
- 119
- Published applications
- 110
- Assignees
- 59
- Inventors
- 250
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 4 | 3 |
| 2011 | 4 | 2 |
| 2012 | 0 | 4 |
| 2013 | 4 | 2 |
| 2014 | 2 | 6 |
| 2015 | 3 | 6 |
| 2016 | 0 | 8 |
| 2017 | 5 | 4 |
| 2018 | 6 | 8 |
| 2019 | 3 | 2 |
| 2020 | 2 | 6 |
| 2021 | 9 | 4 |
| 2022 | 5 | 6 |
| 2023 | 3 | 4 |
| 2024 | 6 | 9 |
| 2025 | 7 | 12 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machinery implement coupling apparatus4 Aug 2026US 12,698,612 B2Daequip Premium Attachments Ltd
- Adapter bracket for coupling a work tool and a work machine19 May 2026US 12,630,996 B2Caterpillar Inc.
- Quick coupler and quick coupler system with such a quick coupler5 May 2026US 12,618,221 B2OilQuick Deutschland KG
- Pin coupler with safety lock10 Mar 2026US 12,571,178 B2Brandt Industries Canada Ltd.
- Quick-change unit and quick-change system30 Dec 2025US 12,509,846 B2QCS QuickChangeSystem EMUK GmbH
- Work tool coupling apparatus, system and method1 Oct 2026US 2026/0297885 A1Caterpillar Inc.
- Automatic quick connect apparatus13 Aug 2026US 2026/0234894 A1Deere & Company
- Quick-change apparatus for engineering machinery and engineering machinery30 Jul 2026US 2026/0218480 A1Jiangsu Xcmg Construction Machinery Research Institute Ltd.
- Excavator attachment25 Jun 2026US 2026/0176839 A1OilQuick Deutschland KG
- Working device for an excavator28 May 2026US 2026/0146407 A1Kiesel Technology GmbH
Most cited
By later US patents
- Coupling for earth moving tools etc.58US 4,480,955 AMaroochy Shire Council · 1984
- Coupling device57US 5,147,173 ACaterpillar Inc. · 1992
- Quick-coupling connector for backhoes and the like55US 5,107,610 A1992
- Latching mechanism for a quick coupler52US 5,890,871 ACaterpillar Inc. · 1999
- Coupler with improved structure and method for manufacturing same48US 6,691,438 B2JRB Company, Inc. · 2004