E02D 17/08
Bordering or stiffening the sides of ditches trenches or narrow shafts for
Official title: Bordering or stiffening the sides of ditches {trenches} or narrow shafts for foundations
E02D17/08 (Bordering or stiffening the sides of ditches trenches or narrow shafts for) appears on 231 US grants and 117 published applications in this corpus.
Search patents in E02D- Granted patents
- 231
- Published applications
- 117
- Assignees
- 88
- Inventors
- 263
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 14 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 6 |
| 2005 | 3 | 5 |
| 2006 | 7 | 4 |
| 2007 | 5 | 1 |
| 2008 | 1 | 5 |
| 2009 | 5 | 3 |
| 2010 | 6 | 6 |
| 2011 | 2 | 4 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 7 |
| 2015 | 5 | 3 |
| 2016 | 4 | 5 |
| 2017 | 3 | 7 |
| 2018 | 9 | 7 |
| 2019 | 7 | 11 |
| 2020 | 10 | 5 |
| 2021 | 3 | 4 |
| 2022 | 5 | 10 |
| 2023 | 6 | 4 |
| 2024 | 8 | 5 |
| 2025 | 3 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pipe trench safety brace-barrier system and method8 Sep 2026US 12,729,499 B2
- Worksite enclosure and method14 Jul 2026US 12,680,257 B1
- End cap assembly for a trench box and method of utilization thereof4 Nov 2025US 12,460,368 B2Kundel Industries, Inc.
- Trench box including modular panels and method of use thereof2 Sep 2025US 12,404,648 B2Kundel Industries, Inc.
- Portable cofferdam system1 Jul 2025US 12,345,008 B2Subsurface, Inc.
- Trench support method and apparatus17 Sep 2026US 2026/0275674 A1
- Retainer arrangement, length-adjustble strut and assembly thereof13 Aug 2026US 2026/0234950 A1Holmatro B.V.
- Pipe trench safety brace-barrier system and method30 Jul 2026US 2026/0218472 A1
- Modular shoring for temporary retaining wall2 Jul 2026US 2026/0185319 A1
- Portable Cofferdam System23 Oct 2025US 2025/0327262 A1Subsurface, Inc.
Most cited
By later US patents
- Hazardous waste containment system81US 5,106,233 A1992
- High strength, light weight shoring panel and method of preparing same55US 5,305,568 AComcore Utilities Products · 1994
- Water and debris impermeable trench box panel53US 4,259,028 AEfficiency Production, Inc. · 1981
- Portable safety trench and pit form system40US 4,685,837 A1987
- Trench shoring device38US 4,453,863 ASafety Lights Sales & Leasing, Inc. · 1984