Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468008 | Feeder apparatus for melting furnaces, particularly for plasma melting furnaces | Konrad Primke, Gunther Pohle, Klaus-Peter Trautmann | 1984-08-28 |
| 4263468 | Plasma-arc melting furnace | Konrad Primke | 1981-04-21 |