Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564420 | Coke oven battery | Folkard Wackerbarth, Horst Kuhlmann, Helmut Dohle, Horst Althaus | 1986-01-14 |
| 4491505 | Apparatus for leveling coal in a coke oven chamber | Folkard Wackerbarth | 1985-01-01 |