Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5772955 | Apparatus for suspension smelting | Pekka Hanniala, Risto Saarinen, Ilkka Kojo | 1998-06-30 |
| 5565016 | Method for suspension smelting | Pekka Hanniala, Risto Saarinen, Iikka Kojo | 1996-10-15 |
| 4737186 | Method for continuous reduction of molten metallurical slag in an electric furnace | Timo T. Talonen | 1988-04-12 |