Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667416 | Device for drying organic solids of high water content | Hermann Hacker, Peter Herber | 1987-05-26 |
| 4471536 | Device for drying coal | Peter Herber, Ernst Oberndorfer, Wilfried Zieri | 1984-09-18 |