Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343652 | Method and device for cleaning out a well or piping blocked with gas hydrates | Pierre-Yves Corre, James Leighton | 2002-02-05 |
| 6044906 | Inflatable tubular sleeve for tubing or obturating a well or pipe | — | 2000-04-04 |
| 5964288 | Device and process for the lining of a pipe branch, particuarly in an oil well | James Leighton | 1999-10-12 |
| 5718288 | Method of cementing deformable casing inside a borehole or a conduit | Eric Bertet, Jean-Marie Gueguen, Frederic Signori | 1998-02-17 |
| 5695008 | Preform or matrix tubular structure for casing a well | Eric Bertet, Jean-Marie Gueguen, Frederic Signori | 1997-12-09 |
| 5494106 | Method for sealing between a lining and borehole, casing or pipeline | Jean-Marie Gueguen, Frederic Signori | 1996-02-27 |