United Geophysical Corp
United GeoActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3170136A | System for logging wells | Expired / Lapsed | 1954-10-13 | 1965-02-16 | 1 | Details |
| US3045207A | Wave transmission system | Expired / Lapsed | 1955-07-15 | 1962-07-17 | 0 | Details |
| US2916724A | Wave transmission system | Expired / Lapsed | 1953-04-17 | 1959-12-08 | 0 | Details |
| US2792067A | Geophysical prospecting system | Expired / Lapsed | 1952-11-12 | 1957-05-14 | 0 | Details |
| US2788513A | Cable | Expired / Lapsed | 1954-06-14 | 1957-04-09 | 0 | Details |
| US2740945A | Seismic prospecting system | Expired / Lapsed | 1953-07-06 | 1956-04-03 | 2 | Details |
| US2723387A | Seismic prospecting system | Expired / Lapsed | 1953-05-18 | 1955-11-08 | 0 | Details |
| US2717368A | Testing apparatus | Expired / Lapsed | 1953-05-18 | 1955-09-06 | 0 | Details |