Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488737 | Method for reducing metallic oxides | — | 2002-12-03 |
| 6447713 | Rotating-hearth furnace for reduction of metallic oxides | — | 2002-09-10 |
| 6419724 | Method for reducing iron oxides and for melting iron and installations therefor | — | 2002-07-16 |
| 4518498 | Metallurgical slag filtering apparatus which effects uniform charging of a conveyer belt | — | 1985-05-21 |
| 4494971 | Process and apparatus for granulation of slag | Marc Calmes, Robert Schmeler | 1985-01-22 |
| 4493767 | Conveyor belt for transporting slag material from a filtering apparatus | — | 1985-01-15 |
| 4477349 | Metalurigical slag filtering apparatus | — | 1984-10-16 |
| 4374645 | Process for granulation of slag | — | 1983-02-22 |
| 4289519 | Method of dewatering granulated-slag slurry | — | 1981-09-15 |
| 4245982 | Cooling box for shaft furnaces | Henri Radoux, Carlo Heinz, Herbert Ensch | 1981-01-20 |
| 4204855 | Apparatus for dewatering granulated-slag slurry | — | 1980-05-27 |