E02D 29/05
At least part of the cross-section being constructed in an open excavation
Official title: at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
E02D29/05 (At least part of the cross-section being constructed in an open excavation) appears on 52 US grants and 42 published applications in this corpus.
Search patents in E02D- Granted patents
- 52
- Published applications
- 42
- Assignees
- 35
- Inventors
- 102
- Latest grant
- 16 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 5 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 4 |
| 2014 | 2 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 3 |
| 2021 | 4 | 3 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for constructing large-span station with two-wing open type half-cover excavation and half-reverse construction16 Apr 2024US 11,959,243 B2Beijing Urban Construction Design & Development Group Co., Limited
- Lid for utilities enclosure having internal reinforcement matrix and method for making lid5 Mar 2024US 11,920,317 B2Channell Commercial Corporation
- Apparatus and methods for underground structures and construction thereof30 Jan 2024US 11,885,224 B2
- Local deep excavation and backfilling structural subgrade and its rapid construction method10 Oct 2023US 11,781,280 B2Tongji University
- Metal foundation system for culverts, buried bridges and other structures16 Nov 2021US 11,174,614 B2Contech Engineered Solutions LLC
- Venting system and venting method22 May 2025US 2025/0162793 A1Nippon Telegraph and Telephone Corporation
- Ground shaft including side walls configured to provide enhanced load-bearing capacity14 Nov 2024US 2024/0376681 A1Ppc Broadband, Inc.
- Apparatus and Methods for Underground Structures and Construction Thereof14 Nov 2024US 2024/0376821 A1
- Method for constructing large-span station with two-wing open type half-cover excavation and half-reverse construction7 Mar 2024US 2024/0076848 A1Beijing Urban Construction Design & Development Group Co., Limited
- Local Deep Excavation and Backfilling Structural Subgrade and Its Rapid Construction Method29 Jun 2023US 2023/0203775 A1Tongji University
Most cited
By later US patents
- Method of constructing a concrete basement from prefabricated concrete panels51US 5,493,838 A1996
- Methods of laying underground conduits46US 4,329,083 ASociete Soletanche · 1982
- Prefabricated concrete element for building a civil engineering structure having an arched wall31US 6,161,342 ASamflo · 2000
- Top arch overfilled system27US 6,922,950 B2BEBOTech Corporation · 2005
- Multi-segment spandrel wall for overfilled arch structures26US 5,836,717 ABebo of America · 1998