Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805734 | Compact cascade scrubber for scrubbing exhaust gas | Pasi J. Maatta, Pekka Niemelä, Timo Nivala, Bror Nyman | 2004-10-19 |
| 6799683 | Flotation mechanism and method for dispersing gas and controlling flow in a flotation cell | Seppo S. Jounela, Bror Nyman | 2004-10-05 |
| 6706186 | Method for extracting copper from an aqueous solution | Bror Nyman, Stig-Erik Hultholm, Esa Lindell, Eero Ekman, Juhani Lyyra +2 more | 2004-03-16 |