E02F 3/086
Vertically shiftable relative to the frame
Official title: {vertically shiftable relative to the frame}
E02F3/086 (Vertically shiftable relative to the frame) appears on 32 US grants and 23 published applications in this corpus.
Search patents in E02F- Granted patents
- 32
- Published applications
- 23
- Assignees
- 16
- Inventors
- 49
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 4 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Trencher with a detachable digging box23 Jun 2022US 2022/0195695 A1One Pass Innovators, LLC
- Lubricated soil mixing systems and methods23 Apr 2020US 2020/0123728 A1
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- Virtual Path Guidance System19 Mar 2020US 2020/0089222 A1Subsite, LLC
Most cited
By later US patents
- Undercut trenching machine39US 5,074,063 APella Engineering & Reseach Corporation · 1991
- Trenching apparatus39US 5,219,380 AVermeer Manufacturing Company · 1993
- Walk-behind trenching machine31US 7,644,524 B2The Toro Company · 2010
- Walk-behind trenching machine31US 7,805,864 B2The Toro Company · 2010
- Deep sea mining apparatus and method25US 4,010,560 A1977