Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358094 | Furnace system for smelting ore concentrate and the like | Heinz Cordewener | 1982-11-09 |
| 4337927 | Furnace installation particularly for the melting of ore concentrate | — | 1982-07-06 |
| 4315620 | Stack for the thermal treatment of material | Jorg Kruger | 1982-02-16 |