Halliburton Oil Well Cementing Co
HalliburtoActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2919709A | Fluid flow control device | Expired / Lapsed | 1955-10-10 | 1960-01-05 | 0 | Details |
| US2877851A | Coupling apparatus | Expired / Lapsed | 1955-03-28 | 1959-03-17 | 0 | Details |
| US2573133A | Well logging system | Expired / Lapsed | 1948-08-13 | 1951-10-30 | 0 | Details |
| US2517455A | Temperature recorder | Expired / Lapsed | 1944-12-26 | 1950-08-01 | 0 | Details |
| US2430039A | Oil base drilling fluid | Expired / Lapsed | 1945-12-22 | 1947-11-04 | 0 | Details |
| US2340987A | Electrical well caliper | Expired / Lapsed | 1941-11-14 | 1944-02-08 | 0 | Details |
| US2216573A | Pump | Expired / Lapsed | 1938-06-23 | 1940-10-01 | 0 | Details |
| US2201311A | Apparatus for indicating the position of devices in pipes | Expired / Lapsed | 1936-12-24 | 1940-05-21 | 0 | Details |
| US2172948A | Rat hole packer | Expired / Lapsed | 1937-04-30 | 1939-09-12 | 0 | Details |
| US2156052A | Logging device | Expired / Lapsed | 1937-04-19 | 1939-04-25 | 0 | Details |
| US2143251A | Method of and equipment for acidizing wells | Expired / Lapsed | 1938-06-21 | 1939-01-10 | 0 | Details |
| US2122749A | Packer for oil wells | Expired / Lapsed | 1937-06-19 | 1938-07-05 | 0 | Details |