Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115405 | Method and an arrangement for determining the height position of an electrode | — | 2000-09-05 |
| 5609669 | Method of manufacturing stainless steel | — | 1997-03-11 |
| 5215573 | Treatment of melts in a ladle and apparatus for such treatment | — | 1993-06-01 |
| 5211743 | Treatment of a melt with a gas and means therefor | — | 1993-05-18 |
| 4834791 | Method for producing raw iron from iron concentrates for the manufacture of gas, and plant apparatus for carrying out the method | Carl-Lennart Axelsson, Dan Kaufmann, Krister Torsell | 1989-05-30 |