Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11214387 | Assembly method for an air intake of a jet engine of an aircraft | — | 2022-01-04 |
| 6332507 | Seismic prospecting method and device in wells allowing guided waves filtering | Charles Naville, Yves Ollivier, Guy Pignard | 2001-12-25 |
| 6330206 | Hydrophone for acoustic or seismic wave reception | Georges Constantinou | 2001-12-11 |
| 6182012 | Method and device intended for permanent monitoring of an underground formation | Frederic Huguet | 2001-01-30 |
| 5889731 | Vibration detector | — | 1999-03-30 |
| 5838637 | Hydrophone and process for manufacturing it | Georges Constantinou, Marc Bernard | 1998-11-17 |
| 5724311 | Method and device for the long-term seismic monitoring of an underground area containing fluids | Frederic Huguet | 1998-03-03 |
| 5635685 | Electroacoustic transducer with mechanical impedance transformer | Pascal Tierce | 1997-06-03 |
| 5550785 | Mobile seismic system of great length for wells | Patrick Meynier, Jacques Cretin, Claude Beauducel | 1996-08-27 |
| 5382760 | Seismic well source | Philippe Staron | 1995-01-17 |
| 5303773 | Device for monitoring a deposit for a production well | Jean Czernichow | 1994-04-19 |
| 5243562 | Method and equipment for acoustic wave prospecting in producing wells | Charles Naville, Jean Czernichow | 1993-09-07 |
| 4957162 | Device for anchoring a probe in a well by spreading mobile anchorage arms | Noel Etourmy | 1990-09-18 |
| 4874060 | Device for receiving sound waves in a well | Philippe Guerendel, Charles Naville, Pascal Dedole | 1989-10-17 |
| 4796723 | System for transmitting energy through an apparatus usable for subsoil prospection, lowered inside a well or drill hole | Charles Naville, Rene Paterna | 1989-01-10 |
| 4775009 | Process and device for installing seismic sensors inside a petroleum production well | Christian Wittrisch, Charles Naville | 1988-10-04 |
| 4773501 | Device for generating seismic impulses inside a drilling through the fall of a weight onto an anchored target element | Pascal Dedole, Yves Ollivier | 1988-09-27 |
| 4682309 | Device for generating acoustic pulses by implosion, inside a well | Pascal Dedole | 1987-07-21 |
| 4648478 | Device for generating sound pulses inside a well, by percussion | Pascal Dedole, Pierre Grolet | 1987-03-10 |
| 4647703 | Process for producing a hydrocarbon cut of high octane number by etherification of olefins | Bernard Torck, Pierre Amigues, Yves Glaize, Henri Grangette, Fred Fitoussi | 1987-03-03 |
| 4616703 | Device for anchoring a probe in a well, by opening mobile arms | Andre Fabre | 1986-10-14 |
| 4609066 | Mixed device for generating longitudinal or shear waves | Pierre-Claude Layotte, Andre James | 1986-09-02 |
| 4428422 | Device provided with retractable arms for the anchoring of an instrument in a cavity | — | 1984-01-31 |
| 4278982 | Optical recording device | Jacques Cholet, Bernard Damotte | 1981-07-14 |
| 4203501 | Device for emitting acoustic waves in a liquid medium | Jacques Cholet, Pierre Magneville, Claude Duconge | 1980-05-20 |