Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850451 | Device for generating in the ground both transverse and longitudinal acoustic waves in a plurality of different directions | Pierre-Claude Layotte | 1989-07-25 |
| 4564083 | Device for generating acoustic shear waves in the earth | Pierre-Claude Layotte, Pierre Grolet, Roland Huin | 1986-01-14 |
| 4426950 | Supporting system for apparatuses destined to be moved under water | — | 1984-01-24 |
| 4421049 | Submerged device, carrying oceanography apparatuses, with automatic depth control | — | 1983-12-20 |
| 4294328 | Device for emitting acoustic waves in a liquid medium by implosion | Pierre Magneville, Jean Cassand | 1981-10-13 |
| 4278982 | Optical recording device | Bernard Damotte, Jean Laurent | 1981-07-14 |
| 4220109 | Device for controlling the depth of an element towed in water | — | 1980-09-02 |
| 4205731 | Device for generating seismic waves by striking a mass against a target member | Andre Pauc | 1980-06-03 |
| 4203501 | Device for emitting acoustic waves in a liquid medium | Jean Laurent, Pierre Magneville, Claude Duconge | 1980-05-20 |