Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476533 | Process for sintering iron oxide-containing materials on a sintering machine | Fred Stieler, Norbert Magedanz, Walter Gerlach, Jurgen Otto, Martin Hirsch +4 more | 1995-12-19 |
| 4391583 | Process of thermally treating bulk materials in a rotary kiln | Harry Serbent, Gerhard Reuter, Wolfram Schnabel | 1983-07-05 |