Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807508 | Seismic prospecting method and device using simultaneous emission of seismic signals based on pseudo-random sequences | — | 2004-10-19 |
| 6704245 | Seismic prospecting method and device using simultaneous emission of seismic signals obtained by coding a signal by pseudo-random sequences | — | 2004-03-09 |
| 6590832 | Vibrator and method of exploring a material medium by means of very low-frequency elastic vibrations | Jean-Claude Dubois | 2003-07-08 |
| 5781502 | Method and device for filtering elliptical waves propagating in a medium | — | 1998-07-14 |
| 4780856 | Off-shore seismic prospection method using a coded vibratory signal and a device for implementing this method | — | 1988-10-25 |