Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490312 | Direct-current arc furnace comprising a centric charging shaft for producing steel and a method therefor | Fritz-Peter Pleschiutschnigg | 2002-12-03 |
| 6471911 | Method and device for sealing a tap hole in metallurgical containers | Fritz-Peter Pleschiutschnigg | 2002-10-29 |