Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370369 | Multipurpose burner designed for adjusting the supply of a reaction gas to be fed into a smelting furnace | Valto J. Makitalo | 1994-12-06 |
| 5358222 | Apparatus for oxidizing pulverous fuel with two gases having different oxygen contents | Pentti J. Kaasinen, Valto J. Makitalo, Lasse J. Valli | 1994-10-25 |