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 | Kjell Bergman, Kenneth Lundstrom, Gensini Gianni, Giovanni Coassin | 1995-01-17 |
| 5106063 | Container | — | 1992-04-21 |
| 5074906 | Method and installation for recovering energy in metallurgical processes | Sten Holmlund | 1991-12-24 |
| 4812117 | Method and device for pre-heating waste metal for furnaces | — | 1989-03-14 |
| 4403327 | Arc furnace charge-preheating power supply system | Sven Ivner | 1983-09-06 |
| 4363653 | Method and apparatus for melting solid pieces of metal | — | 1982-12-14 |
| 4315124 | Heating modules for billets in inductive heating furnaces | Gösta Karlsson | 1982-02-09 |