Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549156 | Smelting assembly for the production of steel | Peter Starke, Thomas Henkel, Hans-Jürgen Odenthal | 2023-01-10 |
| 6544470 | Feeding device for electrical shaft furnaces with an electrode-receiving central tube | Klaus Schmale, Guido GRUND, Joachim Lemke | 2003-04-08 |
| 6335945 | Electric ARC low-shaft smelting furnace with a central tube with telescopic electrodes and a sliding upper receptacle lid | Peter Meierling, Hans Schaller | 2002-01-01 |
| 5471496 | Electrode support device for arc furnaces | Lutz Becker | 1995-11-28 |
| 5233625 | Metallurgical vessel with metallic electrode having readily replaceable wear part | Werner Hofmann, Ewald Feuerstacke | 1993-08-03 |