Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229527 | Method for the controlled thickening of low consistency fiber suspensions | Antero Laine, Olavi Pikka, Sami Siik, Harri Qvintus | 2007-06-12 |
| 6767432 | Apparatus for the thickening of fiber suspensions | Antero Laine, Olavi Pikka, Sami Siik, Harri Qvintus | 2004-07-27 |
| 6340805 | Method of manufacturing a wire screen product | — | 2002-01-22 |
| 6119867 | Screen cylinder | Pertti Wathen | 2000-09-19 |
| 5960962 | Screen | — | 1999-10-05 |
| 5575395 | Method and apparatus for screening fibrous suspensions | Timo Alajaaski, Kaj Henricson, Kalevi Laakso, Antero Laine, Olavi Pikka +2 more | 1996-11-19 |
| 5547083 | Apparatus for treating fiber suspension | Timo Alajaaski, Kalevi Laakso, Antero Laine | 1996-08-20 |
| 5338451 | Apparatus for treating pulp | Pentti Lindberg | 1994-08-16 |
| 5224603 | Apparatus for treating fiber suspension | Karim Hanana | 1993-07-06 |
| 5172813 | Method and an apparatus for treating fiber suspension | — | 1992-12-22 |
| 5094715 | Arrangement for removing thread-like impurities from a defiberizing drum | Mauri Viitanen | 1992-03-10 |
| 5000842 | Method and apparatus for treating fiber suspension | — | 1991-03-19 |
| 4995991 | Method and apparatus for improving the operation of a disc filter | Tapani Niiranen, Pekka Purho, Erkki Savolainen, Jari Siitonen | 1991-02-26 |
| 4915822 | Method and apparatus for treating fiber suspension | — | 1990-04-10 |