Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4565660 | Method for dispersing gas, for mixing a pulverous solid into a liquid to form a suspension, and for maintaining the obtained good solid-gas-liquid suspension in the reactor | Stig-Erik Hultholm, Valto J. Makitalo, Bror Nyman | 1986-01-21 |
| 4548765 | Method for dispersing gas in a solid-containing liquid, and an apparatus for it | Stig-Erik Hultholm, Valto J. Makitalo, Bror Nyman | 1985-10-22 |
| 4490170 | Method for forming a directional and controlled suspension spray of a pulverous material and a reaction gas | Valto J. Makitalo | 1984-12-25 |
| 4413816 | Gas-blast pipe for feeding reaction agents into metallurgical melts | Simo A. I. Makipirtti, Mauri J. Peuralinna, Valto J. Makitalo, Helge Krogerus | 1983-11-08 |
| 4392885 | Method and apparatus for forming a directioned suspension spray of a pulverous material and a reaction gas | Valto J. Makitalo | 1983-07-12 |
| 4331087 | Method and apparatus for forming a turbulent suspension spray from a pulverous material and reaction gas | Kalevi J. Kunttu, Valto J. Makitalo | 1982-05-25 |
| 4308058 | Process for the oxidation of molten low-iron metal matte to produce raw metal | Simo A. I. Makipirtti, Mauri J. Peuralinna, Valto J. Makitalo | 1981-12-29 |
| 4278494 | Immersion evaporator | Valto J. Makitalo, Timo T. Koivunen | 1981-07-14 |
| 4211553 | Method of refining of melts by means of a pulverous solid material and/or a gas | Matti E. Honkaniemi, Helge Krogerus, Juho K. Makinen, John Henrik Relander, Frans H. Tuovinen | 1980-07-08 |
| 4210315 | Means for producing a suspension of a powdery substance and a reaction gas | Valto J. Makitalo | 1980-07-01 |