Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641777 | Method for the manufacture of a composite cooling element for the melt zone of a metallurgical reactor and a composite cooling element manufactured by said method | Ilkka Kojo, Ari Jokilaakso | 2003-11-04 |
| 6547848 | Method for cooling the gas flow in a smelting furnace | Antti Jalonen | 2003-04-15 |