Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654976 | Method for melting ferrous scrap metal and chromite in a submerged arc furnace to produce a chromium containing iron | Hjalte Rognsaa | 1997-08-05 |
| 5634960 | Scrap melting in a submerged arc furnace | — | 1997-06-03 |
| 5368627 | Treatment of oxide-containing dusts | — | 1994-11-29 |