Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601728 | Method and apparatus for preparing a material for hot briquetting | Horst Dungs, Franz Beckmann | 1986-07-22 |
| 4289500 | Method of producing hot briquettes | Heinrich Weber, Horst Dungs, Karl-Heinz Wollenhaupt, Yves Brasseur, Franz Beckmann | 1981-09-15 |
| 4248603 | Method and tank for producing hot briquettes | Heinrich Weber, Horst Dungs, Fritz Ferdinand, Yves Brasseur | 1981-02-03 |