E02F 3/961
With several digging elements or tools mounted on one machine
Official title: {with several digging elements or tools mounted on one machine (for backhoes E02F3/964 takes precedence)}
E02F3/961 (With several digging elements or tools mounted on one machine) appears on 117 US grants and 128 published applications in this corpus.
Search patents in E02F- Granted patents
- 117
- Published applications
- 128
- Assignees
- 62
- Inventors
- 298
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 4 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 6 |
| 2012 | 0 | 3 |
| 2013 | 4 | 3 |
| 2014 | 4 | 3 |
| 2015 | 3 | 5 |
| 2016 | 6 | 8 |
| 2017 | 6 | 9 |
| 2018 | 5 | 11 |
| 2019 | 10 | 6 |
| 2020 | 9 | 18 |
| 2021 | 6 | 12 |
| 2022 | 9 | 5 |
| 2023 | 7 | 9 |
| 2024 | 7 | 2 |
| 2025 | 5 | 10 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In and relating to the working of ground and other surfaces8 Sep 2026US 12,729,506 B2Progressive IP Limited
- Work tool assembly for machine system and method of operating same18 Aug 2026US 12,708,063 B2Caterpillar Inc.
- Rockbreaker manipulation apparatus28 Apr 2026US 12,612,761 B2
- Modular ultra low drag sub-surface membrane installation apparatus, machine, and methods with various automated and semi-automated sub-systems including sub-surface drip tape installation1 Jul 2025US 12,342,763 B2Terra Nova Research, Inc.
- Dual stage lift system for a snow wing1 Jul 2025US 12,345,005 B2Caterpillar Inc.
- Attachment for a working machine13 Aug 2026US 2026/0234898 A1Deere & Company
- Grading attachment23 Jul 2026US 2026/0210073 A1Ligchine International Corporation
- Dual blade microtrench attachment16 Jul 2026US 2026/0201672 A1The Charles Machine Works, Inc.
- Crawler vehicle4 Jun 2026US 2026/0152062 A1
- Crawler vehicle and control method to control said crawler vehicle4 Jun 2026US 2026/0152063 A1
Most cited
By later US patents
- Intelligent attachment to a power tool47US 5,957,213 AClark Equipment Company · 1999
- Crane attachment for loading machines38US 5,120,186 A1992
- Vehicle bumper37US 4,215,496 A1980
- Rotary rock and trench cutting saw34US 4,662,684 AH. B. Zachery Corporation · 1987
- Method and apparatus for cutting a trench through rock-like material30US 4,542,940 AH. B. Zachry Company · 1985