Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569377 | Plant for the direct reduction of particulate iron-oxide-containing material | Siegfried Zeller, Konstantin Milionis, Johann Reidetschlager, Johann Zirngast, Johannes Schenk +1 more | 2003-05-27 |
| 6562102 | Method for producing liquid pig iron | Kurt Wieder, Herbert Mizelli, Josef Stockinger, Johann Wurm, Parviz Zahedi | 2003-05-13 |
| 6511629 | Shaft furnace | Rainer Walter Kastner, Kurt Wieder, Wilhelm Schiffer, Wilhelm Stastny | 2003-01-28 |