Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5643169A | Decanter centrifuge with adjustable gate control | Baker Hughes Holdings LLC | Expired / Lapsed | 1995-06-06 | 1997-07-01 | 2015-06-06 | 0.0 yrs | 28 | |
| US5149057A | Tape drive with self-expanding coils for sludge collector | Baker Hughes Holdings LLC | Expired / Lapsed | 1990-03-09 | 1992-09-22 | 2010-03-09 | 0.0 yrs | 3 | |
| US3450204A | Well casing hanger | Baker Hughes Holdings LLC | Expired / Lapsed | 1967-09-06 | 1969-06-17 | 1987-09-06 | 0.0 yrs | 0 | |
| US3170518A | Well method and apparatus which is particularly adapted for use in multiple zone wells | Baker Hughes Holdings LLC | Expired / Lapsed | 1960-05-23 | 1965-02-23 | 1980-05-23 | 0.0 yrs | 4 | |
| US2307662A | Means for controlling wells | Baker Hughes Holdings LLC | Expired / Lapsed | 1939-07-22 | 1943-01-05 | 1959-07-22 | 0.0 yrs | 0 |