Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421366 | Method and device for supplying an electric arc melting furnace with current | Dirk Breker, Guido GRUND, Klaus Schmale | 2002-07-16 |
| 5292109 | Device for coupling the current feed to a metallurgical vessel | Hans J. Bebber, Klaus Giertz, Ulrich Katschinski | 1994-03-08 |
| 5081640 | Method of controlling a temperature of a molten metal | Hans J. Bebber, Karsten Brabandt | 1992-01-14 |
| 4818836 | Power supply for a three-phase plasma heating unit | Hans J. Bebber, Heinrich-Otto Rossner | 1989-04-04 |