Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476533 | Process for sintering iron oxide-containing materials on a sintering machine | Norbert Magedanz, Walter Gerlach, Jurgen Otto, Martin Hirsch, Fred Cappel +4 more | 1995-12-19 |
| 4889555 | Process of making binderless briquets from steelworks dusts | Ladislau Szekely, deceased | 1989-12-26 |