Patent Explorer
Browse, filter, and analyze 6 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2779912A | Electrical well logging system | Perforating Guns Atlas Corp | Expired / Lapsed | 1955-01-24 | 1957-01-29 | 1975-01-24 | 0.0 yrs | 0 | |
| US2772368A | High temperature scintillometer | Perforating Guns Atlas Corp | Expired / Lapsed | 1951-08-10 | 1956-11-27 | 1971-08-10 | 0.0 yrs | 0 | |
| US2740053A | Radiation well logging system | Perforating Guns Atlas Corp | Expired / Lapsed | 1951-01-12 | 1956-03-27 | 1971-01-12 | 0.0 yrs | 0 | |
| US2722657A | Means for detecting changes in dielectric constant of thin strata of lithological formations traversed by a borehole | Perforating Guns Atlas Corp | Expired / Lapsed | 1953-07-03 | 1955-11-01 | 1973-07-03 | 0.0 yrs | 2 | |
| US2659014A | Radioactivity well logging system | Perforating Guns Atlas Corp | Expired / Lapsed | 1951-07-05 | 1953-11-10 | 1971-07-05 | 0.0 yrs | 0 | |
| US2648012A | Nuclear well logging | Perforating Guns Atlas Corp | Expired / Lapsed | 1949-10-05 | 1953-08-04 | 1969-10-05 | 0.0 yrs | 0 |