Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326319 | Method of pre-calendering a board web | Mikko Tani | 2008-02-05 |
| 7235157 | Method for controlling one or more surface quality variables of a fiber web in a shoe calender | Tapio Mäenpää, Kalle Hasu, Pekka Koivukunnas | 2007-06-26 |
| 6890407 | Method and apparatus for producing calendered paper or board | Pekka Koivukunnas, Mika Leino | 2005-05-10 |
| 6886454 | Calendering arrangement for a paper machine | Timo Torvi | 2005-05-03 |
| 6875311 | Method and apparatus for producing calendered paper or board | Pekka Koivukunnas, Mika Leino | 2005-04-05 |
| 6869505 | Method for calendering a board web | Mikko Tani | 2005-03-22 |
| 6797118 | Method and arrangement for surface treatment of a paper and/or board web | Pekka Koivukunnas | 2004-09-28 |