PETROLEUM RECTIFYING Co
PETROLEUMActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2105614A | Method and apparatus for electric dehydration of emulsions | Expired / Lapsed | 1932-11-10 | 1938-01-18 | 0 | Details |
| US2096774A | Electrical dehydration system | Expired / Lapsed | 1933-01-13 | 1937-10-26 | 0 | Details |
| US2072917A | Method of and apparatus for electrically treating tar emuls… | Expired / Lapsed | 1934-02-12 | 1937-03-09 | 0 | Details |
| US1838374A | Dehydrator having various intermittent voltages | Expired / Lapsed | 1927-02-07 | 1931-12-29 | 0 | Details |
| US1602190A | Method of dehydrating petroleum emulsions | Expired / Lapsed | 1926-01-04 | 1926-10-05 | 0 | Details |
| US1405122A | Method and apparatus for dehydrating petroleum emulsions | Expired / Lapsed | 1918-05-13 | 1922-01-31 | 0 | Details |