Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905614 | Method for thermic disposal of waste materials | Wolfgang Grigel, Jakob Hinterkeuser, John Rizzon, Kariheinz Passler | 1990-03-06 |
| 4613344 | Method and apparatus for cleaning hot gases produced during a coal gasification process | Gunter Henrich, Harald Hoffmann, Klaus-Peter Mey | 1986-09-23 |
| 4566882 | Filter for cleaning gases | Harald Hoffmann, Gunter Henrich | 1986-01-28 |
| 4537626 | Method for the production of reaction gases | Roland Pfeiffer | 1985-08-27 |
| 4406666 | Device for the gasification of carbon by means of a molten metal bath | Peter Paschen, Chatty Rao, Alfred Kryczun, Roland Pfeiffer, Rolf Pufal | 1983-09-27 |
| 4344773 | Apparatus for the gasification of carbon and/or carbon-containing media | Peter Paschen, Roland Pfeiffer, Alfred Kryczun, Rolf Pufal | 1982-08-17 |