Camco Inc
Camco IncActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3445746A | Battery low voltage cutoff and regulator | Expired / Lapsed | 1966-11-10 | 1969-05-20 | 0 | Details |
| US3377532A | Time cycle controller | Expired / Lapsed | 1965-08-27 | 1968-04-09 | 0 | Details |
| US3265134A | Well safety valve | Expired / Lapsed | 1964-02-03 | 1966-08-09 | 1 | Details |
| US3078923A | Safety valve for wells | Expired / Lapsed | 1960-04-15 | 1963-02-26 | 2 | Details |
| US3071192A | Pipe recess locking device | Expired / Lapsed | 1961-08-24 | 1963-01-01 | 2 | Details |
| US3027944A | Magnetically set packer | Expired / Lapsed | 1960-11-14 | 1962-04-03 | 0 | Details |
| US3012512A | Free piston well pump assembly | Expired / Lapsed | 1957-02-15 | 1961-12-12 | 0 | Details |
| US2980076A | Pneumatic stroke motor | Expired / Lapsed | 1959-03-13 | 1961-04-18 | 0 | Details |
| US2976931A | Well connector device | Expired / Lapsed | 1956-02-20 | 1961-03-28 | 0 | Details |
| US2872238A | Well pulling tool | Expired / Lapsed | 1956-02-27 | 1959-02-03 | 0 | Details |