Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858061 | Method and device for producing pig iron or liquid steel pre-products from charge materials containing iron ore | Leopold Werner Kepplinger, Johann Wurm | 2005-02-22 |
| 6562102 | Method for producing liquid pig iron | Leopold Werner Kepplinger, Kurt Wieder, Josef Stockinger, Johann Wurm, Parviz Zahedi | 2003-05-13 |
| 6379420 | Method and plant for producing a reducing gas serving for the reduction of metal ore | Leopold Werner Kepplinger, Johann Wurm, Walter Rainer Kastner, Günther Brunnbauer | 2002-04-30 |
| 6235083 | Method for producing a reducing gas serving for the reduction of metal ore | Leopold Werner Kepplinger, Johann Wurm, Walter Rainer Kastner, Günther Brunnbauer | 2001-05-22 |