Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081207 | Method for cleaning a filter element in a filtering chamber and filter carrying out the method | Tuomo Koivula | 2006-07-25 |
| 6827864 | Filtering apparatus and method for washing its filtering elements | Petri Tapola, Tuomo Koivula | 2004-12-07 |
| 6187191 | Filter having an end flange with a downwardly-bent edge portion | Tuomo Koivula | 2001-02-13 |