Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9873070 | Method for preparing a precoat on the surface of the filter medium of a polishing filter, polishing filter and use of a polishing filter | Leena Tanttu, Janne Kauppi | 2018-01-23 |
| 8021459 | Method and apparatus for controlling metal separation | Aimo Järvinen, Kai Judin, Harri Natunen, Panu Talonen | 2011-09-20 |
| 6793816 | Equipment for the leaching of solid matter from sludge | Heikki Takala, Kurt Höglund | 2004-09-21 |
| 6770207 | Method for the leaching of solid matter from sludge | Heikki Takala | 2004-08-03 |