E02D 17/12
Back-filling of foundation trenches or ditches
Official title: Back-filling of foundation trenches or ditches {(apparatus therefor E02F5/12, E02F5/22)}
E02D17/12 (Back-filling of foundation trenches or ditches) appears on 20 US grants and 9 published applications in this corpus.
Search patents in E02D- Granted patents
- 20
- Published applications
- 9
- Assignees
- 10
- Inventors
- 39
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fast-setting flowable fill compositions, and methods of utilizing and producing the same26 Aug 2025US 12,398,074 B1J&P Invesco LLC
- Trench shoring apparatus6 Aug 2024US 12,054,904 B2Security Ground Solutions Ltd.
- Fast-setting flowable fill compositions, and methods of utilizing and producing the same12 Mar 2024US 11,926,568 B1J&P Invesco LLC
- Local deep excavation and backfilling structural subgrade and its rapid construction method10 Oct 2023US 11,781,280 B2Tongji University
- Method and apparatus for forming cemented ground support columns18 Jul 2023US 11,702,813 B2Geoqore, LLC
- Local Deep Excavation and Backfilling Structural Subgrade and Its Rapid Construction Method29 Jun 2023US 2023/0203775 A1Tongji University
- Structural engineering dominated geotechnical structured permanent supporting system and design method30 Mar 2023US 2023/0099182 A1Shandong University
- Trench shoring apparatus1 Sep 2022US 2022/0275595 A1Secure Ground Solutions LTD
- Method and apparatus for forming cemented ground support columns25 Nov 2021US 2021/0363721 A1Geoqore, LLC
- Method and apparatus for forming cemented ground support columns12 Nov 2020US 2020/0354914 A1Ingios Geotechnics, Inc.
Most cited
By later US patents
- Construction filler material dispensing apparatus79US 4,073,410 A1978
- Tunnel support structure and method18US 4,072,018 A1978
- Trench back filling and compacting apparatus16US 3,934,363 A1976
- Fast-setting flowable fill compositions, and methods of utilizing and producing the same14US 10,322,971 B1MK1 Construction Services · 2019
- Method and apparatus for compacting backfill in trenches10US 4,397,590 A1983