Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666559 | Closure for a gas offtake pipe | — | 1987-05-19 |
| 4564419 | Nozzle plate construction for underjet coke ovens | Folkard Wackerbarth, Gerd Halbherr | 1986-01-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666559 | Closure for a gas offtake pipe | — | 1987-05-19 |
| 4564419 | Nozzle plate construction for underjet coke ovens | Folkard Wackerbarth, Gerd Halbherr | 1986-01-14 |