Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5954276 | Method for grinding of granular material and grinding equipment | Raimo Tapio Tahvanainen, Markku Elias Kuusisto, Pekka Parttyli Morsky, Veli Tapio Knuutinen | 1999-09-21 |
| 4385038 | Flotation recovery of lead, silver and gold as sulfides from electrolytic zinc process residues | Jussi K. Rastas, Kaarlo M. J. Saari, Jaakko Leppinen, Aimo Järvinen | 1983-05-24 |
| 4368117 | Process for the selective froth-flotation of sulfidic, oxidic and salt-type minerals | — | 1983-01-11 |
| 4317715 | Process for the selective froth-flotation of phosphate and carbonate minerals from finely-divided phosphate-carbonate-silicate ores or concentrates | Kaarlo M. J. Saari | 1982-03-02 |