Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742529 | Three-phase arc furnace | — | 1988-05-03 |
| 4710607 | Plasma burner with replaceable consumable electrodes | Herbert Wilhelmi, Kurt Kegel, Dieter Zollner, Inge Lauterbach-Dammler, Friedrich Rittman | 1987-12-01 |
| 4698825 | Protective coating of temperature resistant materials for the metal shaft of combination electrodes for the electric steel production | Franz Schieber, Dieter Zollner, Inge Lauterbach, Konrad Koziol, Christine Zollner | 1987-10-06 |
| 4639928 | Disc means for an electrode for use in electric arc furnaces | Claudio Conradty, Dieter Zollner, Inge Lauterbach-Dammler | 1987-01-27 |
| 4532634 | Electrode for electric arc furnaces | Inge Lauterbach-Dammler | 1985-07-30 |
| 4531219 | Electrode assembly for arc furnaces | Dieter Zollner, Inge Lauterbach-Dammler, Hans Lades, Siegfried Liebel, Hanns-Georg Bauer | 1985-07-23 |
| 4509178 | Arrangement of an electrode for electric arc furnaces | Hans Lades, Friedrich Fink, Siegfried Liebel, Inge Lauterbach, Dieter Zollner | 1985-04-02 |