Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7279127 | Continuous steelmaking plant | — | 2007-10-09 |
| 5853452 | Synthetic rutile production | — | 1998-12-29 |
| 5607495 | Oxygen smelting of copper or nickel sulfides | — | 1997-03-04 |
| 5358544 | Method of recovering zinc | — | 1994-10-25 |
| 4701217 | Smelting reduction | — | 1987-10-20 |
| 4334918 | Method of recovering non-ferrous metals from their sulphide ores | — | 1982-06-15 |