Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7000714 | Head for injecting a fluid under pressure to break up ground from a borehole | Jacques Morey, Fabrice Mathieu | 2006-02-21 |
| 6839988 | Drilling apparatus for hard ground | Philippe Chagnot | 2005-01-11 |
| 6839989 | Drilling apparatus for hard ground | Alain Deniau | 2005-01-11 |
| 6648084 | Head for injecting liquid under pressure to excavate the ground | Jacques Morey | 2003-11-18 |
| 6052963 | Continuously reinforced diaphragm wall, method of construction and formwork therefor | Philippe Lefort, Jean-Pierre Ganachau, Michel Guerrero, Jean-Louis Proust, Alain Deniau +1 more | 2000-04-25 |
| 5738465 | Device for the in-situ production of columns of stabilized and compacted soil | Alain Deniau | 1998-04-14 |
| 5263798 | Process for guiding the excavation tool used for the construction of a wall cast in the ground, and excavation tool for implementing this process | Paul Dupeuble, Jacques Charlier | 1993-11-23 |
| 4930940 | System for guiding the excavation tool used for constructing a wall cast in the ground | Jacques Charlier, Paul Dupeuble | 1990-06-05 |
| 4662792 | Method and device for the in-situ formation of columns of stabilized and compacted soil | — | 1987-05-05 |