E02F 5/223
For back-filling
Official title: {for back-filling (in association with trench excavators E02F5/12)}
E02F5/223 (For back-filling) appears on 170 US grants and 102 published applications in this corpus.
Search patents in E02F- Granted patents
- 170
- Published applications
- 102
- Assignees
- 52
- Inventors
- 227
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 3 |
| 2003 | 3 | 5 |
| 2004 | 5 | 3 |
| 2005 | 3 | 4 |
| 2006 | 2 | 6 |
| 2007 | 3 | 6 |
| 2008 | 0 | 4 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 3 | 4 |
| 2018 | 2 | 10 |
| 2019 | 6 | 8 |
| 2020 | 13 | 15 |
| 2021 | 11 | 8 |
| 2022 | 3 | 5 |
| 2023 | 6 | 4 |
| 2024 | 6 | 3 |
| 2025 | 8 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for large debris conveyance11 Aug 2026US 12,703,007 B2
- Screening hopper30 Sep 2025US 12,427,545 B2Ecofill Group Limited
- Volumetric concrete mixing system, equipment, and method23 Sep 2025US 12,420,451 B1J&P Invesco LLC
- Hydro excavation vacuum apparatus and fluid storage and supply systems thereof12 Aug 2025US 12,385,215 B2Vermeer Manufacturing Company
- Vibratory compactor24 Jun 2025US 12,338,597 B2
- Trench filling methods, machines, and systems for filling trenches9 Jul 2026US 2026/0193862 A1
- Vibratory compactor9 Oct 2025US 2025/0314031 A1
- Machine, in particular padding machine, to backfill pipelines22 May 2025US 2025/0161987 A1Scaip S.P.A.
- A screening hopper18 Jul 2024US 2024/0238844 A1Ecofill Group Limited
- Systems and methods for large debris conveyance4 Jul 2024US 2024/0216954 A1
Most cited
By later US patents