E02D 29/067
Floating tunnels
Official title: Floating tunnels; Submerged bridge-like tunnels, i.e. tunnels supported by piers or the like above the water-bed (pontoons or floating bridges E01D15/14)
E02D29/067 (Floating tunnels) appears on 17 US grants and 12 published applications in this corpus.
Search patents in E02D- Granted patents
- 17
- Published applications
- 12
- Assignees
- 13
- Inventors
- 55
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 3 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Floating underwater pipelines8 Sep 2026US 12,729,782 B2
- Floating tunnel shore connecting system, floating tunnel, and floating tunnel construction method thereof12 May 2026US 12,624,515 B2China Communications Construction Co., Ltd.
- Tube joint apparatus for double-tube floating tunnel and construction method thereof12 Nov 2024US 12,139,873 B1Tianjin Research Institute for Water Transport Engineering, M.O.T. China
- Water stopping device of suspension and sliding type and an application thereof23 May 2023US 11,655,608 B1Cccc First Harbor Engineering Co., Ltd.
- Flexible joint connecting device of precast body segment, precast body segment joining-type underwater tunnel construction method using same, and underwater tunnel constructed thereby26 Apr 2022US 11,313,099 B2Daewoo Engineering & Construction 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
- Water stopping device of suspension and sliding type and an application thereof18 May 2023US 2023/0151579 A1Cccc First Harbor Engineering Co., Ltd.
- Floating tunnel shore connecting system, floating tunnel, and floating tunnel construction method thereof13 Oct 2022US 2022/0325495 A1China Communications Construction Co., Ltd.
- Flexible joint connecting device of precast body segment, precast body segment joining-type underwater tunnel construction method using same, and underwater tunnel constructed thereby31 Mar 2022US 2022/0098818 A1Daewoo Engineering & Construction 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
- System for supporting substantially rigid linear structures18US 6,655,641 B22003
- Seismic joint for underwater floating tunnels5US 5,540,522 AEniricerche S. p. A. · 1996
- Transportation underwater tunnel system4US 6,450,734 B12002