Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5383218 | Direct current melting furnace with control of deflection of the electric age | Kenneth Lundstrom, Staffan Granstrom, Gensini Gianni, Giovanni Coassin | 1995-01-17 |
| 4778518 | Slag-melt reactions with improved efficiency | Goran Grimfjard, Thore Gustafson, Lars Karlsson | 1988-10-18 |
| 4754463 | Hollow arc electrode | Erik Lassander | 1988-06-28 |
| 4607373 | Control system for a DC arc furnace | — | 1986-08-19 |
| 4577326 | DC Arc furnace hearth connection | Sven-Einar Stenkvist | 1986-03-18 |
| 4481639 | Method for temperature control of inductors | Ake Archenholtz | 1984-11-06 |
| 4473903 | Apparatus for positioning an electric arc furnace electrode | Erik Lassander | 1984-09-25 |