Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4747060A | Data acquisition module and method | Halliburton Co | Expired / Lapsed | 1986-03-31 | 1988-05-24 | 2006-03-31 | 0.0 yrs | 23 | |
| US4636934A | Well valve control system | Halliburton Co | Expired / Lapsed | 1984-05-21 | 1987-01-13 | 2004-05-21 | 0.0 yrs | 28 | |
| 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 | |
| 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 |