E02F 3/241
Digging wheels
Official title: {digging wheels}
E02F3/241 (Digging wheels) appears on 71 US grants and 53 published applications in this corpus.
Search patents in E02F- Granted patents
- 71
- Published applications
- 53
- Assignees
- 45
- Inventors
- 147
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 2 |
| 2015 | 4 | 3 |
| 2016 | 3 | 3 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 4 | 2 |
| 2020 | 3 | 4 |
| 2021 | 0 | 3 |
| 2022 | 4 | 4 |
| 2023 | 2 | 7 |
| 2024 | 1 | 4 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Trench wall cutting device and method for cutting a cutting trench in the ground15 Sep 2026US 12,735,862 B2BAUER Maschinen GmbH
- Excavating assembly for milling a road surface or ground3 Mar 2026US 12,565,743 B2Simex Inc.
- Method of installing a cutting wheel of a slurry wall cutter7 Oct 2025US 12,435,481 B2Liebherr-Werk Nenzing GmbH
- Cutting wheel assembly for a slurry wall cutter5 Aug 2025US 12,378,746 B2Liebherr-Components Biberach GmbH
- Disk cutter22 Jul 2025US 12,366,162 B2Element Six (UK) Limited
- Disk cutter16 Oct 2025US 2025/0320817 A1Element Six (UK) Limited
- Rotary di saggregator for excavators and operating machines in general27 Feb 2025US 2025/0067015 A1
- Improved soil cutting device and drum with forwardly inclined cutting element18 Jul 2024US 2024/0240432 A1The Norman Company
- Trench wall cutting device and method for cutting a cutting trench in the ground2 May 2024US 2024/0141614 A1BAUER Maschinen GmbH
- Implement braking system14 Mar 2024US 2024/0084825 A1Doosan Bobcat North America, Inc.
Most cited
By later US patents
- Roadway trenching apparatus49US 5,315,770 AAstec Industries, Inc. · 1994
- Mulcher with improved tooth design34US 7,578,462 B2Attachment Technologies, Inc. · 2009
- Mulcher with improved tooth design32US 7,222,808 B2Attachment Technologies, Inc. · 2007
- Lip and tooth combination for bucket wheel excavator30US 4,360,981 ASuncor, Inc. · 1982
- Milling drum with internal drive motor30US 5,382,084 AAlitec Corporation · 1995