Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9138698 | Impeller for mixing slurry in metallurgical processes | Launo L. Lilja, Bror Nyman, Tuomas Hirsi, Jussi Vaarno, Jouko Peräaho | 2015-09-22 |
| 9085020 | Method and apparatus for homogenizing and stabilizing an iron-bearing residue | Leena Lehtinen, Marko Lahtinen, Bror Nyman, Timo Haakana | 2015-07-21 |
| 6924371 | Use of a weakly acid cation exchange resin for chromatographic separation of carbohydrates | Ari Kärki, Heikki Heikkila, Juho Jumppanen, Tiina Tervala, Nina Mayra +3 more | 2005-08-02 |
| 6664340 | Sulphonated polymer resin and preparation thereof | Ari Kärki, Erkki Paatero, Heikki Heikkila, Heikki Mononen, Hannu Paananen | 2003-12-16 |