Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8303795 | Method for arranging electrodes in an electrolytic process and an electrolytic system | Henri Virtanen, Lauri Palmu, Ilkka Laitinen | 2012-11-06 |
| 7731777 | Method for processing anode sludge | Leo Lindroos, Henri Virtanen | 2010-06-08 |
| 7670575 | Method and device for treating anode slime | Pekka Taskinen, Olli Hyvärinen, Henri Virtanen, Leo Lindroos | 2010-03-02 |