E02F 9/2866
For rotating digging elements
Official title: {for rotating digging elements (for milling machines B28D1/186; for mining machines E21C35/18)}
E02F9/2866 (For rotating digging elements) appears on 200 US grants and 167 published applications in this corpus.
Search patents in E02F- Granted patents
- 200
- Published applications
- 167
- Assignees
- 103
- Inventors
- 279
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 5 |
| 2003 | 1 | 2 |
| 2004 | 4 | 5 |
| 2005 | 1 | 6 |
| 2006 | 3 | 5 |
| 2007 | 7 | 7 |
| 2008 | 4 | 11 |
| 2009 | 5 | 5 |
| 2010 | 8 | 6 |
| 2011 | 10 | 13 |
| 2012 | 6 | 8 |
| 2013 | 2 | 8 |
| 2014 | 9 | 9 |
| 2015 | 6 | 12 |
| 2016 | 6 | 4 |
| 2017 | 4 | 14 |
| 2018 | 5 | 10 |
| 2019 | 10 | 2 |
| 2020 | 9 | 4 |
| 2021 | 6 | 4 |
| 2022 | 2 | 3 |
| 2023 | 2 | 8 |
| 2024 | 5 | 8 |
| 2025 | 2 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-tool cutting assembly16 Jun 2026US 12,655,605 B2Kennametal Inc.
- Trench cutter and method for forming a cut trench in the ground21 Apr 2026US 12,606,983 B2BAUER Maschinen GmbH
- Roller tool for a soil processing roller17 Mar 2026US 12,577,738 B2Hamm AG
- Cutter tooth assembly for an excavating tool17 Feb 2026US 12,553,342 B2Kennametal Inc.
- Sheath for a soil working roller5 Aug 2025US 12,376,508 B2Hamm AG
- Microtrencher saw teeth for cutting cobble13 Aug 2026US 2026/0234912 A1McCown Technology Corporation
- Trenching23 Jul 2026US 2026/0210090 A1
- Tool and tool holder for a rotary land preparation implement and vehicle thereof25 Jun 2026US 2026/0173990 A1
- Cutting wheel for a diaphragm wall cutter and method for converting a cutting wheel15 Jan 2026US 2026/0015814 A1BAUER Maschinen GmbH
- Work vehicle attachment service mode23 Oct 2025US 2025/0327264 A1Deere & Company
Most cited
By later US patents
- Streamlining bit assemblies for road milling, mining and trenching equipment157US 6,685,273 B1The Sollami Company · 2004
- Rotary cutter for a road planer151US 4,006,936 ADresser Industries, Inc. · 1977
- Attack tool71US 7,320,505 B12008
- Wedge arrangement for removably affixing a work tool or work tool holder to a base member on mining, road working or earth moving machinery, and the like62US 4,057,294 AThe Cincinnati Mine Machinery Company · 1977
- Streamlining bit assemblies for road milling, mining and trenching equipment58US 7,097,258 B2The Sollami Company · 2006