Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048381 | Method and arrangement for cooling hot bulk material | Leopold Werner Kepplinger, Anton Himmel, Karl-Heinz Zimmerbauer, Roland Sachsenhofer, Roy Hubert Whipp, Jr. | 2000-04-11 |
| 5855643 | Direct reduction process for iron oxide-containing materials | Konstantin Milionis, Sadat Morteza Guscheh, Roy Hubert Whipp, Jr. | 1999-01-05 |
| 5833734 | Process for the direct reduction of particulate iron-containing material and a plant for carrying out the process | Gottfried Rossmann, Konstantin Milionis, Roy Hubert Whipp, Jr. | 1998-11-10 |