Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5550785 | Mobile seismic system of great length for wells | Jean Laurent, Patrick Meynier, Claude Beauducel | 1996-08-27 |
| 5481502 | System of acquistion and centralization of data obtained through a permanent plant for exploring a geologic formation | Jean-Francois Therond, Jean-Marie Laurent | 1996-01-02 |
| 5363094 | Stationary system for the active and/or passive monitoring of an underground deposit | Philippe Staron, Claude Beauducel, Thierry Lepage | 1994-11-08 |
| 5243337 | Process and device for optimizing signal transmission rates on multifunctional well cables | Claude Beauducel, Daniel Saussier | 1993-09-07 |
| 5200927 | Method and apparatus for controlling an immersed multisource array emitting acoustic impulses | Jean-Francois Therond, Alain Regnault | 1993-04-06 |
| 5184329 | Method and device for optimizing the triggering of an array of marine seismic sources | Alain Regnault, Pascal Froidevaux | 1993-02-02 |
| 4901289 | System for acquiring and recording signals delivered by a set of sensors disposed in well probes | Jean-Francois Therond | 1990-02-13 |
| 4862425 | Device for acquiring seismic data in a borehole and transmission thereof to a central control and recording system | Jean-Francois Therond, Daniel Saussier | 1989-08-29 |
| 4855732 | System for the transmission of signals between a reception assembly lowered into a well and a central control and recording laboratory | Daniel Saussier | 1989-08-08 |
| 4736346 | System for interconnecting elements of a receiving device of great length, whereby the number of recording traces corresponding to the sensed signals can be doubled | Claude Beauducel, Pierre Gonzalez, Jean Rudaz | 1988-04-05 |
| 4669060 | Device associated to a computer for controlling data transfers between a data acquisition system and an assembly comprising a recording and reading apparatus | Jean-Francois Therond | 1987-05-26 |
| 4644506 | Device for determining the position in the water of an elongate element towed while submerged | Jean Rudaz, Pierre Gonzalez | 1987-02-17 |
| 4636992 | Device for supplying electric power to electronic apparatuses of an acoustic wave receiving assembly of great length | Claude Beauducel, Jean Rudaz, Pierre Gonzalez | 1987-01-13 |
| 4523191 | Device for interconnecting a series of data acquisition apparatuses to a remote receiving and recording system | Claude Beauducel | 1985-06-11 |
| 4503526 | Device for water inflow detection inside a seismic streamer | Claude Beauducel, Alain Ausset, Gabriel Ringot | 1985-03-05 |
| 4449120 | Method for amplifying multiplexed signals through different gain amplification units for selecting an optimum gain signal and device therefore | Joseph Rialan | 1984-05-15 |
| 4426624 | Device and method for amplifying and sampling multiplexed signals | Claude Beauducel | 1984-01-17 |
| 4398271 | Device for data transmission between seismic data acquisition devices and a recording device | Claude Beauducel | 1983-08-09 |
| 4378527 | Device for amplifying and sampling analog signals | Claude Beauducel | 1983-03-29 |
| 4365320 | Device for determining the instant of reception of an acoustic wave | Claude Beauducel | 1982-12-21 |
| 4352070 | Sample-and-hold unit | Claude Beauducel | 1982-09-28 |