Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3100699A | Control system and process for refining metals | Huettenwerk Oberhausen AG | Expired / Lapsed | 1960-09-12 | 1963-08-13 | 1980-09-12 | 0.0 yrs | 1 | |
| US2977217A | Method for refining metal baths in rotary drum furnaces | Huettenwerk Oberhausen AG | Expired / Lapsed | 1958-05-16 | 1961-03-28 | 1978-05-16 | 0.0 yrs | 2 |