Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4289500 | Method of producing hot briquettes | Heinrich Weber, Horst Dungs, Yves Brasseur, Henri Birscheidt, Franz Beckmann | 1981-09-15 |
| 4187079 | Method for producing form coke | Heinrich Weber, Kurt Lorenz, Horst Dungs | 1980-02-05 |