E02F 3/307
The boom and the dipper-arm being connected so as to permit relative
Official title: {the boom and the dipper-arm being connected so as to permit relative movement in more than one plane}
E02F3/307 (The boom and the dipper-arm being connected so as to permit relative) appears on 30 US grants and 15 published applications in this corpus.
Search patents in E02F- Granted patents
- 30
- Published applications
- 15
- Assignees
- 19
- Inventors
- 63
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Work machine25US 6,266,901 B1Komatsu Ltd. · 2001
- Excavator arm24US 5,054,990 AKarl Schaeff GmbH & Co. · 1991
- Multiple purpose material handling and working apparatus23US 5,486,084 A1996
- Equipment for lateral excavation21US 4,314,789 A1982
- Hydraulic excavator equipment for excavation laterally of the excavator19US 4,077,140 ASocieta Italiana Macchine Industriali Torino, S.p.A. · 1978