Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490170 | Method for forming a directional and controlled suspension spray of a pulverous material and a reaction gas | Launo L. Lilja | 1984-12-25 |
| 4413816 | Gas-blast pipe for feeding reaction agents into metallurgical melts | Simo A. I. Makipirtti, Mauri J. Peuralinna, Launo L. Lilja, Helge Krogerus | 1983-11-08 |
| 4392885 | Method and apparatus for forming a directioned suspension spray of a pulverous material and a reaction gas | Launo L. Lilja | 1983-07-12 |
| 4331087 | Method and apparatus for forming a turbulent suspension spray from a pulverous material and reaction gas | Kalevi J. Kunttu, Launo L. Lilja | 1982-05-25 |
| 4308058 | Process for the oxidation of molten low-iron metal matte to produce raw metal | Simo A. I. Makipirtti, Launo L. Lilja, Mauri J. Peuralinna | 1981-12-29 |
| 4278494 | Immersion evaporator | Launo L. Lilja, Timo T. Koivunen | 1981-07-14 |
| 4210315 | Means for producing a suspension of a powdery substance and a reaction gas | Launo L. Lilja | 1980-07-01 |