Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465557 | Gas transferring apparatus in coke oven | Manfred Blase, Klaus Dahl, Manfred Galow | 1984-08-14 |
| 4306645 | Arrangement to be used for controlling the quantity and period of charging of pitch coke furnaces | — | 1981-12-22 |