E02F 3/248
Cleaning the wheels or emptying the digging elements mounted on the wheels
Official title: {Cleaning the wheels or emptying the digging elements mounted on the wheels, e.g. in combination with spoil removing equipment}
E02F3/248 (Cleaning the wheels or emptying the digging elements mounted on the wheels) appears on 29 US grants and 10 published applications in this corpus.
Search patents in E02F- Granted patents
- 29
- Published applications
- 10
- Assignees
- 15
- Inventors
- 40
- Latest grant
- 29 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Trench cutter and method for producing a cut trench in the soil29 Mar 2022US 11,286,637 B2BAUER Maschinen GmbH
- Self cleaning collection apparatus and method22 Aug 2017US 9,739,032 B2Eda Kopa (Solwara) Limited
- Remote excavation tool22 Mar 2016US 9,290,905 B1The United States of America as represented by the Secretary of the Navy
- Cutting wheel for a trench cutter25 Aug 2015US 9,115,481 B2BAUER Maschinen GmbH
- Ejector mechanism for an excavating wheel used in a dredging operation and associated method18 Sep 2001US 6,289,613 B1Caterpillar Inc.
- 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.
- Spoils collection transition assemblies with sacrifical liners12 Feb 2026US 2026/0043213 A1McCown Technology Corporation
- Trench cutter and method for making a cut trench in the ground5 Jun 2025US 2025/0179758 A1BAUER Maschinen GmbH
- Work tool cleaning system and method for work vehicles4 May 2023US 2023/0132898 A1Deere & Company
- Trench cutter and method for producing a cut trench in the soil24 Oct 2019US 2019/0323200 A1BAUER Maschinen GmbH
Most cited
By later US patents
- Narrow ditch trencher24US 4,326,347 A1982
- Conveyor folding and moldboard operation for excavating and loading systems16US 4,063,375 AUnit Rig & Equipment Co. · 1977
- Ejector mechanism for a silt removal excavating wheel15US 5,907,915 ACaterpillar Inc. · 1999
- Excavating machine with lift arm assembly13US 6,055,750 ASamson Enterprises, Inc. · 2000
- Apparatus for excavating a trench underneath a pipeline installed on the sea bottom11US 4,301,606 ANetherlands Offshore Co. · 1981