CGG SA
CGG SAActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| FR2669118A1 | DEVICE FOR RECORDING AND PROCESSING MARINE MAGNETISM DATA. | Expired / Lapsed | 1990-11-13 | — | 0 | Details |
| EP0247949A1 | Method and system for locating and correcting the orientati… | Expired / Lapsed | 1987-06-29 | — | 0 | Details |
| US3911226A | Installation for multiplex transmission of digital signals | Expired / Lapsed | 1973-05-18 | 1975-10-07 | 36 | Details |
| US3794978A | Systems for the transmission of control and/or measurement … | Expired / Lapsed | 1971-08-20 | 1974-02-26 | 14 | Details |
| US3696427A | Radio-navigation system | Expired / Lapsed | 1970-06-02 | 1972-10-03 | 6 | Details |
| US3652979A | Installation for the transmission of multiplexed seismic si… | Expired / Lapsed | 1970-03-05 | 1972-03-28 | 11 | Details |
| US3206727A | Method and apparatus for processing multi-channel seismic r… | Expired / Lapsed | 1962-01-18 | 1965-09-14 | 2 | Details |
| US3142815A | Method and apparatus for analysing and processing seismic r… | Expired / Lapsed | 1959-07-14 | 1964-07-28 | 1 | Details |
| US3132330A | Electric alarm systems | Expired / Lapsed | 1962-04-30 | 1964-05-05 | 2 | Details |
| US2586667A | Method for the electrical investigation of the ground | Expired / Lapsed | 1946-05-16 | 1952-02-19 | 0 | Details |
| US2034447A | Method for electrically prospecting the undersoil | Expired / Lapsed | 1934-11-09 | 1936-03-17 | 0 | Details |