Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381939 | Method for selective reduction of metallic oxides | William A. Ahrendt, Charles W. Sanzenbacher, John C. Scarlett | 1983-05-03 |
| 4358310 | Dry collection of metallized fines | Charles W. Sanzenbacher | 1982-11-09 |
| 4306903 | Method for reducing particulate iron oxide to molten iron with solid reductant and oxy-fuel burners | Donald Beggs, Bruce G. Kelly | 1981-12-22 |
| 4260412 | Method of producing direct reduced iron with fluid bed coal gasification | Frank V. Summers, John C. Scarlett | 1981-04-07 |
| 4248408 | Method and apparatus for reducing particulate iron oxide to molten iron with solid reductant and oxy-fuel burners | Donald Beggs, Bruce G. Kelley | 1981-02-03 |
| 4195821 | Apparatus for reducing particulate iron oxide to molten iron with solid reductant | Donald Beggs | 1980-04-01 |