E02D 29/063
Tunnels submerged into, or built in, open water
Official title: Tunnels submerged into, or built in, open water (construction or placing of caissons in general E02D23/00; joining caissons to each other under water, in general E02D25/00)
E02D29/063 (Tunnels submerged into, or built in, open water) appears on 51 US grants and 34 published applications in this corpus.
Search patents in E02D- Granted patents
- 51
- Published applications
- 34
- Assignees
- 24
- Inventors
- 120
- Latest grant
- 8 Sep 2026
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 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 7 |
| 2017 | 3 | 3 |
| 2018 | 4 | 1 |
| 2019 | 2 | 3 |
| 2020 | 4 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 4 |
| 2023 | 3 | 3 |
| 2024 | 2 | 3 |
| 2025 | 1 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02D 29/067Floating tunnels17
- E02D 29/073Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid17
- E02D 29/07Tunnels or shuttering therefor preconstructed as a whole or continuously made, and6
- E02D 29/077Tunnels at least partially built beneath the water-bed characterised by being made3
Recent patents
- Floating underwater pipelines8 Sep 2026US 12,729,782 B2
- System and method of retrofitting a lagoon entry system to a covered lagoon19 May 2026US 12,630,992 B2Bristola, LLC
- Floating tunnel shore connecting system, floating tunnel, and floating tunnel construction method thereof12 May 2026US 12,624,515 B2China Communications Construction Co., Ltd.
- 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.
- Underwater, sea and ocean submersible hydro power plant and method6 Aug 2026US 2026/0226879 A1
- Immersed tube production system and production method16 Oct 2025US 2025/0320688 A1Cccc First Harbor Engineering Co., Ltd.
- Floating underwater pipelines - "process of tyn"24 Jul 2025US 2025/0237325 A1
- Tube joint apparatus for double-tube floating tunnel and construction method thereof5 Dec 2024US 2024/0401300 A1Tianjin Research Institute for Water Transport Engineering, M.O.T. China
- Top-lock pull-out type connecting device and immersed tube construction ship13 Jun 2024US 2024/0190541 A1Cccc First Harbor Engineering Co., Ltd.
Most cited
By later US patents
- Transportation underwater tunnel system35US 5,899,635 A1999
- Bridge and method for manufacturing the bridge22US 8,214,957 B22012
- Transportation system20US 9,718,630 B2Hyperloop Technologies, Inc. · 2017
- System for supporting substantially rigid linear structures18US 6,655,641 B22003
- Underwater tunnel construction13US 4,657,435 A1987