Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223552 | Device for the controlled cooling of hot-briquetted directly reduced iron sponge | Helmut Schober, Franz Hoertnagl, Wolfgang Tscherne | 2001-05-01 |
| 6048381 | Method and arrangement for cooling hot bulk material | Leopold Werner Kepplinger, Gerhard Cip, Anton Himmel, Roland Sachsenhofer, Roy Hubert Whipp, Jr. | 2000-04-11 |
| 5873926 | Process for reducing oxide-containing material and plant for carrying out the process | Leopold Werner Kepplinger, Siegfried Zeller, Roy Hubert Whipp, Jr. | 1999-02-23 |