Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4615036 | Cooling the electrode connection in an arc furnace | Luciano Ambrosi, Klaus von Ploetz, Friedrich Nordmeyer | 1986-09-30 |
| 4401296 | Electro-metal smelting furnace with taphole arranged at the bottom | Klaus V. Ploetz, Ralf Schneider, Hannsgeorg Bauer, Josef Otto, Manfred Walter +2 more | 1983-08-30 |
| 4207060 | Vessel for metal smelting furnace | — | 1980-06-10 |