Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358343 | Method for quenching coke | Rudolf Redlich, Johann G. Riecker | 1982-11-09 |
| 4273617 | Method and apparatus for quenching heated bulk material | Wolfgang Schrank, Fritz Schulte | 1981-06-16 |