Vetco Gray LLC
Vetco GrayActive Patents
0
Total Holdings
15
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3710860A | Petroleum well safety valve | Expired / Lapsed | 1971-07-30 | 1973-01-16 | 36 | Details |
| US3405956A | Apparatus for mechanically keying parts to one another | Expired / Lapsed | 1966-03-22 | 1968-10-15 | 0 | Details |
| US3247914A | Completion of wells | Expired / Lapsed | 1962-10-02 | 1966-04-26 | 4 | Details |
| US3150889A | Coupling with rigidly fixed sealing ring | Expired / Lapsed | 1960-10-11 | 1964-09-29 | 2 | Details |
| US3141685A | Coupling with leak detecting means and sealing ring therefor | Expired / Lapsed | 1960-10-11 | 1964-07-21 | 2 | Details |
| FR1240842A | Watertight fitting for tubes or the like | Expired / Lapsed | 1959-11-09 | 1960-09-09 | 0 | Details |
| US2766829A | Conduit connections and sealing means therefor | Expired / Lapsed | 1953-03-04 | 1956-10-16 | 0 | Details |
| US2485497A | Wellhead equipment | Expired / Lapsed | 1944-12-26 | 1949-10-18 | 0 | Details |
| US2277380A | Apparatus for producing wells | Expired / Lapsed | 1939-11-30 | 1942-03-24 | 0 | Details |
| US2250244A | Plug inserting and removing apparatus | Expired / Lapsed | 1938-06-17 | 1941-07-22 | 0 | Details |
| US2241288A | Apparatus for completing wells | Expired / Lapsed | 1940-01-26 | 1941-05-06 | 0 | Details |
| US2207469A | Casing hanger | Expired / Lapsed | 1939-01-04 | 1940-07-09 | 0 | Details |
| US2150887A | Method and apparatus for completing wells | Expired / Lapsed | 1936-01-13 | 1939-03-14 | 0 | Details |
| US2148360A | Oil well casing head and tubing hanger | Expired / Lapsed | 1937-12-30 | 1939-02-21 | 0 | Details |
| US2148327A | Oil well completion apparatus | Expired / Lapsed | 1937-12-14 | 1939-02-21 | 0 | Details |