E02D 29/073
Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid
Official title: Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed, e.g. in a preformed trench (caisson-type sections lowered onto the water-bed E02D29/077)
E02D29/073 (Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid) appears on 17 US grants and 10 published applications in this corpus.
Search patents in E02D- Granted patents
- 17
- Published applications
- 10
- Assignees
- 15
- Inventors
- 70
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Top-lock pull-out type connecting device and immersed tube construction ship21 Oct 2025US 12,448,089 B2Cccc First Harbor Engineering Co., Ltd.
- Installation method for closure joint of immersed tunnel10 Dec 2024US 12,163,305 B1Cccc First Harbor Engineering Co., Ltd.
- Semi-submersible immersed tube transportation and installation integrated ship and construction process13 Jun 2023US 11,674,283 B2Cccc First Harbor Engineering Co., Ltd.
- Water stopping device of suspension and sliding type and an application thereof23 May 2023US 11,655,608 B1Cccc First Harbor Engineering Co., Ltd.
- Post-grouting method for immersed tube joint base11 Feb 2020US 10,557,248 B2CCCC Highway Consultants Co. Ltd.
- Immersed tube production system and production method16 Oct 2025US 2025/0320688 A1Cccc First Harbor Engineering Co., Ltd.
- Top-lock pull-out type connecting device and immersed tube construction ship13 Jun 2024US 2024/0190541 A1Cccc First Harbor Engineering Co., Ltd.
- Underwater tunnel construction method using tunnel modules, and underwater tunnel constructed thereby30 Nov 2023US 2023/0383493 A1Daewoo Engineering & Construction Co., Ltd.
- Water stopping device of suspension and sliding type and an application thereof18 May 2023US 2023/0151579 A1Cccc First Harbor Engineering Co., Ltd.
- Semi-submersible immersed tube transportation and installation integrated ship and construction process19 Jan 2023US 2023/0017526 A1Cccc First Harbor Engineering Co., Ltd.
Most cited
By later US patents
- Submarine power storage system9US 6,347,910 B1Mitsubishi Heavy Industries, Ltd. · 2002
- Collapsible fixture for manufacture of tunnel tubes8US 4,406,151 AAMCA International Corporation · 1983
- Method of production of large tank, system using such large tank and submerged tunneling method using the tank5US 6,164,872 AMitsubishi Heavy Industries, Ltd. · 2000
- Pipe laying method and apparatus4US 3,952,524 A1976
- Positioning a sinking tunnel section2US 8,496,406 B2Strukton Civiel Projecten B.V. · 2013