Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955140 | Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace | Ilkka Kojo | 2005-10-18 |
| 6953547 | Method and apparatus for feeding solid material and oxidizing gas into a suspension smelting furnace | — | 2005-10-11 |
| 6911176 | Cooling element | — | 2005-06-28 |
| 6858175 | Bottom structure for a smelting furnace | Ilkka Kojo | 2005-02-22 |