E02F 3/24
Digging wheels
Official title: Digging wheels; Digging elements of wheels; Drives for wheels
E02F3/24 (Digging wheels) appears on 160 US grants and 106 published applications in this corpus.
Search patents in E02F- Granted patents
- 160
- Published applications
- 106
- Assignees
- 91
- Inventors
- 288
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 3 |
| 2009 | 4 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 3 |
| 2013 | 2 | 4 |
| 2014 | 2 | 2 |
| 2015 | 5 | 5 |
| 2016 | 3 | 4 |
| 2017 | 5 | 6 |
| 2018 | 1 | 7 |
| 2019 | 8 | 6 |
| 2020 | 6 | 6 |
| 2021 | 3 | 5 |
| 2022 | 6 | 8 |
| 2023 | 2 | 10 |
| 2024 | 6 | 9 |
| 2025 | 7 | 5 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Trench wall cutting device and method for cutting a cutting trench in the ground15 Sep 2026US 12,735,862 B2BAUER Maschinen GmbH
- Trench cutter and method for forming a cut trench in the ground21 Apr 2026US 12,606,983 B2BAUER Maschinen GmbH
- Excavating assembly for milling a road surface or ground3 Mar 2026US 12,565,743 B2Simex Inc.
- Trench cutter drive with decoupled inner wheel/integrated bearing11 Nov 2025US 12,467,220 B2Liebherr-Components Biberach GmbH
- Method of installing a cutting wheel of a slurry wall cutter7 Oct 2025US 12,435,481 B2Liebherr-Werk Nenzing GmbH
- Cold scarification and recycling assembly for restoring a road pavement, methods for restoring a road surface with such assembly and use of a mixture of bitumen or a mixture containing a hydrocarbon binding agent in such assembly11 Jun 2026US 2026/0160029 A1Simex Engineering S.R.I.
- Power rake12 Mar 2026US 2026/0071403 A1Venture Products, Inc.
- Spoils collection transition assemblies with sacrifical liners12 Feb 2026US 2026/0043213 A1McCown Technology Corporation
- Disk cutter16 Oct 2025US 2025/0320817 A1Element Six (UK) Limited
- Trench cutter and method for making a cut trench in the ground5 Jun 2025US 2025/0179758 A1BAUER Maschinen GmbH
Most cited
By later US patents
- Ground breaking apparatus51US 5,259,692 A1993
- Apparatus for high-volume in situ soil remediation51US 6,543,963 B22003
- Roadway trenching apparatus49US 5,315,770 AAstec Industries, Inc. · 1994
- Apparatus for high-volume in situ soil remediation40US 6,779,948 B22004
- Rotary rock and trench cutting saw34US 4,662,684 AH. B. Zachery Corporation · 1987