Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432165 | Method for injecting gases into a metallurgical tank | Rainer Dittrich, Andreas Ploch, Manfred Zeimes | 2002-08-13 |
| 6235084 | Method for decarburizing steels melts | Volker Wiegmann, Rainer Dittrich, Frank Haers, Leo Peeters | 2001-05-22 |
| 5803948 | Process and device for introducing gases into metal melts | Anatoly Sizov, Ulrich Meyer | 1998-09-08 |
| 5571307 | Process and device for blowing oxygen over metal melts | Anatoly Sizov, Ulrich Meyer | 1996-11-05 |
| 5299784 | Degassing vessel for the vacumm treatment of liquid steel | Hans-Peter Golloch, Auke Braaksma | 1994-04-05 |
| 5242484 | Plant for the processing of molten steel and method for the operation of such a plant | Georg Schonewolf, Jurgen Dorpinghaus | 1993-09-07 |
| 4402083 | Electric smelting furnace and associated charging equipment and bins | Edgar Paskarbeit | 1983-08-30 |