Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3911226A | Installation for multiplex transmission of digital signals | CGG SA | Expired / Lapsed | 1973-05-18 | 1975-10-07 | 1993-05-18 | 0.0 yrs | 36 | |
| US3696427A | Radio-navigation system | CGG SA | Expired / Lapsed | 1970-06-02 | 1972-10-03 | 1990-06-02 | 0.0 yrs | 6 | |
| US3652979A | Installation for the transmission of multiplexed seismic signals | CGG SA | Expired / Lapsed | 1970-03-05 | 1972-03-28 | 1990-03-05 | 0.0 yrs | 11 | |
| US3206727A | Method and apparatus for processing multi-channel seismic records | CGG SA | Expired / Lapsed | 1962-01-18 | 1965-09-14 | 1982-01-18 | 0.0 yrs | 2 | |
| US3142815A | Method and apparatus for analysing and processing seismic records employing a weighting coefficient | CGG SA | Expired / Lapsed | 1959-07-14 | 1964-07-28 | 1979-07-14 | 0.0 yrs | 1 |