Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4614567 | Method and apparatus for selective after-quenching of coke on a coke bench | Reimer Haack, Wilhelm Stewen, Helmut Lukaszewicz | 1986-09-30 |
| 4240877 | Method for preheating coal for coking | Gerhard Rutkowski, Janos Bocsanczy, Hans Becker | 1980-12-23 |