Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4497609 | Method and device for continuous supply of lumps of material to a shaft | — | 1985-02-05 |
| 4488905 | Method of recovering volatile metals from material containing metal oxides | — | 1984-12-18 |
| 4466807 | Manufacture of a gas containing monoxide and hydrogen gas from a starting material containing carbon and/or hydrocarbon | Borje Johansson | 1984-08-21 |
| 4455165 | Increasing blast temperature | Borje Johansson | 1984-06-19 |
| 4439410 | Method of manufacturing silicon from powdered material containing silica | John O. Edstrom | 1984-03-27 |
| 4432789 | Method of minimizing energy consumption when reducing iron oxide with reducing gases | Goran Mathisson | 1984-02-21 |
| 4362554 | Method and apparatus for manufacturing sponge iron | — | 1982-12-07 |
| 4362555 | Method and apparatus for manufacturing sponge iron | Borje Johansson | 1982-12-07 |
| 4340420 | Method of manufacturing stainless steel | John O. Edstrom | 1982-07-20 |
| 4310350 | Recovering non-volatile metals from dust containing metal oxides | — | 1982-01-12 |