Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667610 | Device for varying the height of a bed in a fluidized combustion chamber | Hans-Joachim Meier | 1987-05-26 |
| 4466384 | Arrangement for cooling a gas produced in a gasifier | Erich Maurer, Heinrich Wefing | 1984-08-21 |
| 4328007 | Apparatus for gasification of fine-grain coal | — | 1982-05-04 |