Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5185081 | Method and apparatus for mixing and separating two liquid phases while preventing aeration and emulsions using a mixer-settler | Bror Nyman, Launo L. Lilja, Valto J. Makitalo | 1993-02-09 |
| 5182087 | Method for mixing two liquids or liquid and solid material together, and for simultaneously separating another liquid or solid from the liquid | Launo L. Lilja, Valto J. Makitalo, Bror Nyman | 1993-01-26 |
| 4786187 | Method for dispersing two phases in extraction and apparatus for realizing the method | Bror Nyman, Launo L. Lilja, Valto J. Makitalo | 1988-11-22 |
| 4747694 | Method for dispersing two phases in a solvent extraction process and a pump mixer for realizing the method | Bror Nyman, Launo L. Lilja, Valto J. Makitalo | 1988-05-31 |
| 4740239 | Process for exploitation of low grade oxidic and iron-bearing complex ores or concentrates | Frans H. Tuovinen, Seppo Heimala, Risto J. Honkala, Helge Krogerus, Matti E. Honkaniemi | 1988-04-26 |
| 4721571 | Method for dispersing two phases and for setting the dispersed phases | Bror Nyman, Raimo Leimala, Launo L. Lilja, Valto J. Makitalo | 1988-01-26 |
| 4648973 | Way to oxidize sludge with high solid matter content | Launo L. Lilja, Valto J. Makitalo, Bror Nyman | 1987-03-10 |
| 4628391 | Method for dispersing two phases in liquid-liquid extraction | Bror Nyman, Launo L. Lilja, Valto J. Makitalo | 1986-12-09 |
| 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 | Launo L. Lilja, Valto J. Makitalo, Bror Nyman | 1986-01-21 |
| 4548765 | Method for dispersing gas in a solid-containing liquid, and an apparatus for it | Launo L. Lilja, Valto J. Makitalo, Bror Nyman | 1985-10-22 |
| 4452762 | Hydrometallurgical process for the recovery of valuable metals from metallic alloys | Sigmund Fugleberg, Bror Nyman, Asko Parviainen, Jussi K. Rastas | 1984-06-05 |
| 4393029 | Process for the production of an iron-free chronium (III) compound | Seppo Heimala, Frans H. Tuovinen | 1983-07-12 |
| 4220627 | Process for the treatment of raw materials containing arsenic and metal | Sigmund Fugleberg, Bror Nyman, Jussi K. Rastas | 1980-09-02 |