Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9733016 | Process and arrangement for extracting a metal from slag a containing said metal | Jürgen Kunze, Rolf Degel, Andrzej Warczok, Gabriel Angel Riveros Urzua | 2017-08-15 |
| 8262985 | Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration | Karl-Heinz Kummer | 2012-09-11 |
| 7819941 | Method for reducing and/or refining a metal-containing slag | Jürgen Kunze, Rolf Degel, Andrzej Warczok, Gabriel Angel Riveros Urzua, Marco Antonio Caceres Rivera +1 more | 2010-10-26 |