Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043401 | Method for the reduction of a slag having a high degree of chromium in an electric arc furnace | Johann Reichel | 2011-10-25 |
| 8043402 | Method for the production of a foamed slag in a metal bath | Johann Reichel, Miroslav Karbowniczek | 2011-10-25 |
| 7998243 | Method of producing steel with high manganese and low carbon content | Walter Weischedel | 2011-08-16 |
| 7871560 | Metallurgical vessel with fixing system | Rolf Best, Wilhelm Köper, Marcel Fasswald | 2011-01-18 |