Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400344 | Apparatus for protection of anodes and cathodes in a system of electrolysis cells | Duncan Grant, Henri Virtanen, Sönke Schmachtel, Ari Rantala, Lauri Nordlund | 2019-09-03 |
| 9932683 | Method for metal electrowinning and an electrowinning cell | Henri Virtanen | 2018-04-03 |
| 9695520 | Arrangement for measuring electric current in an individual electrode in an electrolysis system | Duncan Grant, Lauri Nordlund, Ari Rantala, Henri Virtanen | 2017-07-04 |
| 9677184 | Measurement of electric current in an individual electrode in an electrolysis system | Duncan Grant, Lauri Nordlund, Ari Rantala, Henri Virtanen | 2017-06-13 |
| 7871504 | Method for forming an electrocatalytic surface on an electrode and the electrode | Olli Hyvärinen, Karri Osara | 2011-01-18 |