Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7854909 | Method and device for treating a fine-particled feedstock especially containing metal | Albert Zschetzsche | 2010-12-21 |
| 6645269 | Process and plant for producing a metal melt | — | 2003-11-11 |
| 6569377 | Plant for the direct reduction of particulate iron-oxide-containing material | Siegfried Zeller, Konstantin Milionis, Johann Reidetschlager, Leopold Werner Kepplinger, Johannes Schenk +1 more | 2003-05-27 |
| 6336954 | Process and plant for the direct reduction of particulate iron-oxide-containing material | Siegfried Zeller, Konstantin Milionis, Johann Reidetschlager, Leopold Werner Kepplinger, Johannes Schenk +1 more | 2002-01-08 |