Oil States Industries Inc
Oil StatesActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4337010A | Inflatable grout seal | Expired / Lapsed | 1979-12-13 | 1982-06-29 | 14 | Details |
| US3372715A | Bottom loading arm | Expired / Lapsed | 1963-10-25 | 1968-03-12 | 2 | Details |
| US3312487A | Tower locking dogs | Expired / Lapsed | 1964-06-15 | 1967-04-04 | 2 | Details |
| US2832653A | Cylinder assembly | Expired / Lapsed | 1954-09-03 | 1958-04-29 | 0 | Details |
| US2766628A | Power take-off for trucks | Expired / Lapsed | 1954-11-15 | 1956-10-16 | 0 | Details |
| US2764174A | Quick release valves | Expired / Lapsed | 1952-01-15 | 1956-09-25 | 0 | Details |
| US2670751A | Quick-release air valve | Expired / Lapsed | 1950-09-12 | 1954-03-02 | 0 | Details |