Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4380125 | Method of and apparatus for drying and preheating coking coal in a flight stream tube | Diethard Habermehl, Wolfgang Rohde, Werner Siebert | 1983-04-19 |
| 4329141 | Method of and device for heating finely divided solid particles in conveying ducts | Diethard Habermehl | 1982-05-11 |
| 4321112 | Device for opening, closing and cleaning fill holes of coke oven chargeable by a coal conveyor | Manfred Galow, Klaus Dahl, Wolfgang Rohde, Diethard Habermehl, Werner Siebert | 1982-03-23 |
| 4313704 | Gas-tight closure | Wolfgang Rohde | 1982-02-02 |
| 4309253 | Method and apparatus for tar recovery from raw coking gas | Kurt-Gunther Beck, Diethard Habermehl, Werner Siebert | 1982-01-05 |