Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566880 | Reactor for coal gasification | Hans Dohren | 1986-01-28 |
| 4563196 | Coal charging in a coal gasification installation | — | 1986-01-07 |
| 4514191 | Slag removal apparatus | Josef Langhoff | 1985-04-30 |
| 4425254 | Slag removal method | Josef Langhoff | 1984-01-10 |
| 4352675 | Coal gasification reactor | Hans Dohren | 1982-10-05 |