E02D 29/077
Tunnels at least partially built beneath the water-bed characterised by being made
Official title: Tunnels at least partially built beneath the water-bed characterised by being made by methods involving disturbance thereof all along the location line, e.g. by cut-and-cover or caisson methods
E02D29/077 (Tunnels at least partially built beneath the water-bed characterised by being made) appears on 3 US grants and 1 published applications in this corpus.
Search patents in E02D- Granted patents
- 3
- Published applications
- 1
- Assignees
- 2
- Inventors
- 8
- Latest grant
- 3 Aug 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process and device for building a tunnel immersed on a sub-sea soil3 Aug 2010US 7,766,579 B2Bouygues Travaux Publics
- Method of and apparatus for pre-treating make-up water contaminated with nutrients1 May 1984US 4,446,025 ASolmat Systems, Ltd.
- Method of tunnel construction employing submerged caisson28 Feb 1984US 4,433,937 A
Most cited
By later US patents