Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025668 | Cell for the triaxial stress testing of a rock sample and a testing method using such a cell | Guy Grard | 1991-06-25 |
| 5025669 | Device for carrying out stress tests on rock sample and other materials | Guy Grard, Jean-Pierre Deflandre, Philippe Perreau | 1991-06-25 |
| 4431057 | Process and device for injecting a liquid agent used for treating a geological formation in the vicinity of a well bore traversing this formation | Jean-Philippe Colonna, Jean-Michel Fitremann, Richard Genin | 1984-02-14 |
| RE30827 | Process and device for the determination of the characteristics of the geological formations traversed by a borehole | Regis Pelet, Pierre Morlier, Jean-Francois Bard | 1981-12-22 |
| 4298066 | Process and device for injecting a liquid agent used for treating a geological formation in the vicinity of a well bore traversing this formation | Jean-Philippe Colonna, Jean-Michel Fitremann, Richard Genin | 1981-11-03 |