Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6944977 | Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soils | Fabrice Mathieu | 2005-09-20 |
| 6839989 | Drilling apparatus for hard ground | Jean-Claude Gessay | 2005-01-11 |
| 6402963 | Draining wall | — | 2002-06-11 |
| 6082928 | Draining wall, method for producing same and element implemented thereby | Alain Soriano | 2000-07-04 |
| 6052963 | Continuously reinforced diaphragm wall, method of construction and formwork therefor | Philippe Lefort, Jean-Pierre Ganachau, Michel Guerrero, Jean-Louis Proust, Jean-Claude Gessay +1 more | 2000-04-25 |
| 5738465 | Device for the in-situ production of columns of stabilized and compacted soil | Jean-Claude Gessay | 1998-04-14 |