Patent Explorer
Browse, filter, and analyze 29 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4981173A | Electric surface controlled subsurface valve system | Halliburton Co | Expired / Lapsed | 1989-06-14 | 1991-01-01 | 2009-06-14 | 0.0 yrs | 34 | |
| US4747060A | Data acquisition module and method | Halliburton Co | Expired / Lapsed | 1986-03-31 | 1988-05-24 | 2006-03-31 | 0.0 yrs | 23 | |
| US4667736A | Surface controlled subsurface safety valve | Halliburton Co | Expired / Lapsed | 1985-05-24 | 1987-05-26 | 2005-05-24 | 0.0 yrs | 22 | |
| US4653313A | Positive stirring consistometer cup and method of using the same | Halliburton Co | Expired / Lapsed | 1985-10-18 | 1987-03-31 | 2005-10-18 | 0.0 yrs | 20 | |
| US4636934A | Well valve control system | Halliburton Co | Expired / Lapsed | 1984-05-21 | 1987-01-13 | 2004-05-21 | 0.0 yrs | 28 | |
| US4584874A | Method for determining porosity, clay content and mode of distribution in gas and oil bearing shaly sand reservoirs | Halliburton Co | Expired / Lapsed | 1984-10-15 | 1986-04-29 | 2004-10-15 | 0.0 yrs | 9 | |
| US4580252A | Wide band acoustic receiver transducer | Halliburton Co | Expired / Lapsed | 1983-04-20 | 1986-04-01 | 2003-04-20 | 0.0 yrs | 9 | |
| US4553601A | Method for fracturing subterranean formations | Halliburton Co | Expired / Lapsed | 1984-09-26 | 1985-11-19 | 2004-09-26 | 0.0 yrs | 19 | |
| US4432064A | Apparatus for monitoring a plurality of operations | Halliburton Co | Expired / Lapsed | 1980-10-27 | 1984-02-14 | 2000-10-27 | 0.0 yrs | 23 | |
| US4370886A | In situ measurement of gas content in formation fluid | Halliburton Co | Expired / Lapsed | 1981-03-20 | 1983-02-01 | 2001-03-20 | 0.0 yrs | 21 | |
| US4265266A | Controlled additive metering system | Halliburton Co | Expired / Lapsed | 1980-01-23 | 1981-05-05 | 2000-01-23 | 0.0 yrs | 66 | |
| US4174729A | Pressure sensing safety device | Halliburton Co | Expired / Lapsed | 1977-02-25 | 1979-11-20 | 1997-02-25 | 0.0 yrs | 7 | |
| US4161782A | Microprocessor computerized pressure/temperature/time down-hole recorder | Halliburton Co | Expired / Lapsed | 1977-12-23 | 1979-07-17 | 1997-12-23 | 0.0 yrs | 26 | |
| US4155022A | Line flow electric power generator | Halliburton Co | Expired / Lapsed | 1977-06-03 | 1979-05-15 | 1997-06-03 | 0.0 yrs | 11 | |
| US3987964A | Mobile hydraulic jetting device for cleaning large planar surfaces | Halliburton Co | Expired / Lapsed | 1973-06-29 | 1976-10-26 | 1993-06-29 | 0.0 yrs | 31 | |
| US3841152A | Drilling conditions monitor | Halliburton Co | Expired / Lapsed | 1973-02-02 | 1974-10-15 | 1993-02-02 | 0.0 yrs | 6 | |
| US3831011A | Method and apparatus for compensating a manifestation of fluid flow for temperature and specific gravity | Halliburton Co | Expired / Lapsed | 1973-02-28 | 1974-08-20 | 1993-02-28 | 0.0 yrs | 15 | |
| US3629859A | Oil field production automation and apparatus | Halliburton Co | Expired / Lapsed | 1969-11-14 | 1971-12-21 | 1989-11-14 | 0.0 yrs | 60 | |
| US3566685A | Fluid flow metering method and system | Halliburton Co | Expired / Lapsed | 1968-07-05 | 1971-03-02 | 1988-07-05 | 0.0 yrs | 0 | |
| US3430801A | Closure for a high pressure vessel | Halliburton Co | Expired / Lapsed | 1968-02-12 | 1969-03-04 | 1988-02-12 | 0.0 yrs | 0 |
Showing 1 to 20 of 29 patents
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