Baker Hughes Oilfield Operations LLC
Baker HughActive Patents
0
Total Holdings
73
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5096001A | MWD tool for deep, small diameter boreholes | Expired / Lapsed | 1991-03-18 | 1992-03-17 | 22 | Details |
| US4710708A | Method and apparatus employing received independent magneti… | Expired / Lapsed | 1982-07-23 | 1987-12-01 | 31 | Details |
| US4493373A | Dynamic seal for well tools | Expired / Lapsed | 1983-08-15 | 1985-01-15 | 13 | Details |
| US4216536A | Transmitting well logging data | Expired / Lapsed | 1978-10-10 | 1980-08-05 | 22 | Details |
| US3967201A | Wireless subterranean signaling method | Expired / Lapsed | 1974-01-25 | 1976-06-29 | 34 | Details |
| US3965411A | Gradient wound trim coil for trimming a primary pickup coil | Expired / Lapsed | 1974-01-21 | 1976-06-22 | 8 | Details |
| US3870101A | Removable subsea production test valve assembly | Expired / Lapsed | 1973-04-25 | 1975-03-11 | 49 | Details |
| US3703213A | Mud saver apparatus | Expired / Lapsed | 1970-10-21 | 1972-11-21 | 13 | Details |
| US3472275A | Flow regulator apparatus | Expired / Lapsed | 1967-07-28 | 1969-10-14 | 0 | Details |
| US3371717A | Multiple zone well production apparatus | Expired / Lapsed | 1965-09-21 | 1968-03-05 | 0 | Details |
| US3351133A | Tubing weight-controlled safety valve apparatus | Expired / Lapsed | 1965-06-14 | 1967-11-07 | 2 | Details |
| US3306366A | Well packer apparatus | Expired / Lapsed | 1964-04-22 | 1967-02-28 | 2 | Details |
| US3282340A | Retrievable pump and anchor apparatus | Expired / Lapsed | 1963-07-05 | 1966-11-01 | 2 | Details |
| US3233674A | Subsurface well apparatus | Expired / Lapsed | 1963-07-22 | 1966-02-08 | 2 | Details |
| US3220245A | Remotely operated underwater connection apparatus | Expired / Lapsed | 1963-03-25 | 1965-11-30 | 2 | Details |
| US3136364A | Hydraulically set well packer | Expired / Lapsed | 1961-03-30 | 1964-06-09 | 2 | Details |
| US3081061A | Piston valve seal | Expired / Lapsed | 1960-03-28 | 1963-03-12 | 2 | Details |
| US3045754A | Parallel tubing string packer and anchor | Expired / Lapsed | 1958-04-29 | 1962-07-24 | 0 | Details |
| US3016914A | Drill pipe float valves | Expired / Lapsed | 1958-11-14 | 1962-01-16 | 0 | Details |
| US3008523A | Retrievable well packer and anchor | Expired / Lapsed | 1958-07-25 | 1961-11-14 | 0 | Details |
| US2998075A | Subsurface well apparatus | Expired / Lapsed | 1957-07-29 | 1961-08-29 | 0 | Details |
| US2983318A | Subsurface multiple zone well production apparatus | Expired / Lapsed | 1957-12-23 | 1961-05-09 | 0 | Details |
| US2974922A | Tubing control valve apparatus | Expired / Lapsed | 1957-09-30 | 1961-03-14 | 0 | Details |
| US2931384A | Safety valve for subsurface conduit strings | Expired / Lapsed | 1956-02-13 | 1960-04-05 | 0 | Details |
| US2921601A | Tubular string control valve | Expired / Lapsed | 1955-12-05 | 1960-01-19 | 0 | Details |
| US2874784A | Tubing anchor | Expired / Lapsed | 1955-10-17 | 1959-02-24 | 0 | Details |
| US2853265A | Telescopic valve apparatus for testing well bore tubing | Expired / Lapsed | 1955-08-12 | 1958-09-23 | 0 | Details |
| US2849207A | Subsurface well bore valve apparatus | Expired / Lapsed | 1956-01-30 | 1958-08-26 | 0 | Details |
| US2799346A | Retrievable bridge plug | Expired / Lapsed | 1953-10-12 | 1957-07-16 | 0 | Details |
| US2778428A | Releasable apparatus for retrieving subsurface well devices | Expired / Lapsed | 1953-10-12 | 1957-01-22 | 0 | Details |
| US2771091A | Drill pipe float valve | Expired / Lapsed | 1954-02-23 | 1956-11-20 | 0 | Details |
| US2768695A | Apparatus for controllably filling well casing | Expired / Lapsed | 1953-04-27 | 1956-10-30 | 0 | Details |
| US2751019A | Apparatus for disengaging threaded joints | Expired / Lapsed | 1954-02-23 | 1956-06-19 | 2 | Details |
| US2750958A | Drill pipe float valve | Expired / Lapsed | 1953-04-27 | 1956-06-19 | 2 | Details |
| US2737247A | Well packer apparatus | Expired / Lapsed | 1953-07-17 | 1956-03-06 | 0 | Details |
| US2717613A | Fluid control valve | Expired / Lapsed | 1952-04-25 | 1955-09-13 | 0 | Details |
| US2671512A | Well packer apparatus | Expired / Lapsed | 1948-07-12 | 1954-03-09 | 0 | Details |
| US2665759A | Method and apparatus for completing multiple production zon… | Expired / Lapsed | 1948-12-27 | 1954-01-12 | 0 | Details |
| US2665763A | Well packer apparatus | Expired / Lapsed | 1948-04-23 | 1954-01-12 | 0 | Details |
| US2644527A | Device for controlling well flow | Expired / Lapsed | 1950-02-23 | 1953-07-07 | 0 | Details |
| US2644524A | Tubing and well tool coupling | Expired / Lapsed | 1946-11-04 | 1953-07-07 | 0 | Details |
| US2637402A | Pressure operated well apparatus | Expired / Lapsed | 1948-11-27 | 1953-05-05 | 0 | Details |
| US2624412A | Hydraulic booster operated well packer | Expired / Lapsed | 1949-02-25 | 1953-01-06 | 0 | Details |
| US2618339A | Apparatus for commingling multiple zone well production | Expired / Lapsed | 1946-12-24 | 1952-11-18 | 0 | Details |
| US2605843A | Well tool anchoring device | Expired / Lapsed | 1947-01-04 | 1952-08-05 | 0 | Details |
| US2577068A | Well packer | Expired / Lapsed | 1946-07-20 | 1951-12-04 | 0 | Details |
| US2471382A | Well cementing device | Expired / Lapsed | 1945-04-21 | 1949-05-24 | 0 | Details |
| US2467801A | Hydraulically set well packer | Expired / Lapsed | 1946-10-26 | 1949-04-19 | 0 | Details |
| US2373006A | Means for operating well apparatus | Expired / Lapsed | 1942-12-15 | 1945-04-03 | 0 | Details |
| US2370832A | Removable well packer | Expired / Lapsed | 1941-08-19 | 1945-03-06 | 0 | Details |
| US2368400A | Releasable well packer | Expired / Lapsed | 1941-11-14 | 1945-01-30 | 0 | Details |
| US2368428A | Multiple zone production apparatus | Expired / Lapsed | 1941-06-30 | 1945-01-30 | 0 | Details |
| US2315931A | Liner hanger apparatus | Expired / Lapsed | 1940-06-17 | 1943-04-06 | 0 | Details |
| US2315921A | Well packer apparatus | Expired / Lapsed | 1940-03-18 | 1943-04-06 | 0 | Details |
| US2290141A | Perforation cleaning method and apparatus | Expired / Lapsed | 1939-01-14 | 1942-07-14 | 0 | Details |
| US2275937A | Cementing device for well casings | Expired / Lapsed | 1941-01-11 | 1942-03-10 | 0 | Details |
| US2275936A | Casing bridging device | Expired / Lapsed | 1940-07-02 | 1942-03-10 | 0 | Details |
| US2275935A | Well packer apparatus | Expired / Lapsed | 1940-05-06 | 1942-03-10 | 0 | Details |
| US2245712A | Electrically controlled well packer | Expired / Lapsed | 1939-06-13 | 1941-06-17 | 0 | Details |
| US2228244A | Go-devil | Expired / Lapsed | 1940-03-18 | 1941-01-14 | 0 | Details |
| US2228243A | Releasable coupling | Expired / Lapsed | 1939-12-23 | 1941-01-14 | 0 | Details |
| US2228241A | Well packer | Expired / Lapsed | 1939-05-05 | 1941-01-14 | 0 | Details |
| US2222014A | Well packing device | Expired / Lapsed | 1939-08-09 | 1940-11-19 | 0 | Details |
| US2189703A | Well production apparatus | Expired / Lapsed | 1939-07-25 | 1940-02-06 | 0 | Details |
| US2189702A | Well cementing mechanism | Expired / Lapsed | 1939-05-05 | 1940-02-06 | 0 | Details |
| US2187480A | Well cementing apparatus | Expired / Lapsed | 1938-12-12 | 1940-01-16 | 0 | Details |
| US2187486A | Formation testing method and apparatus | Expired / Lapsed | 1938-12-12 | 1940-01-16 | 0 | Details |
| US2121051A | Cement retainer | Expired / Lapsed | 1937-07-14 | 1938-06-21 | 0 | Details |
| US2117533A | Drill collar float valve for well drilling strings | Expired / Lapsed | 1936-10-10 | 1938-05-17 | 0 | Details |
| US1984107A | Drill pipe float | Expired / Lapsed | 1932-06-22 | 1934-12-11 | 0 | Details |
| US1882314A | Floating and cementing shoe | Expired / Lapsed | 1932-04-18 | 1932-10-11 | 0 | Details |
| US1858215A | Cementing plug | Expired / Lapsed | 1929-11-19 | 1932-05-10 | 0 | Details |
| US1794356A | Hydraulic core extractor | Expired / Lapsed | 1930-01-21 | 1931-03-03 | 0 | Details |