Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4708196 | Shaft cooler for the dry quenching of coke | Jurgen Tietze, Heinz Thubeaville, Siegfried Pohl, Friedrich Muller | 1987-11-24 |
| 4406746 | Coke dry cooler in the form of a shaft | Jurgen Tietze, Wolfgang Grams, Heinz Thubeauville | 1983-09-27 |
| 4372754 | Ignition system for coal gasifier | Paul Gernhardt, Karl Peter, Wolfgang Grams, Siegfried Pohl, Peter B. Schnitzler | 1983-02-08 |
| 4371425 | Shaft-like dry cooler for coke | Wolfgang Grams, Jurgen Tietze | 1983-02-01 |
| 4188915 | Water-cooled, high-temperature gasifier | Joachim Kummel, Heinz Dressen, Paul Gernhardt, Wolfgang Grams, Siegfried Pohl | 1980-02-19 |