Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9617712 | Method for determining the position of a cutting device in the ground using a mobile carriage | Bertrand STEFF DE VERNINAC, Daniel Perpezat | 2017-04-11 |
| 9212462 | Wall formed in soil, the wall including a hollow prefabricated element, and a method of making such a wall | Serge Borel, Joël Cano, Fabrice Mathieu | 2015-12-15 |
| 7481604 | Machine for digging a trench and making a wall in said trench | Daniel Perpezat, Gerard Evers | 2009-01-27 |
| 4634860 | Device for determining the position of a moving part and drilling machine including such a device | Giovanni Aiello | 1987-01-06 |