Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653041 | Drying method and drying module as well as dryer sections that make use of same, in particular for a high-speed paper machine | Antti Ilmarinen, Antti Kuhasalo, Pertti Heikkila, Heikki Ilvespaa, Jouko Yli-Kauppila +6 more | 1997-08-05 |
| 5401232 | Rolls and cylinders for use in paper machines | — | 1995-03-28 |
| 5140749 | Method for the manufacture of rolls or cylinders of a paper machine and articles produced thereby | — | 1992-08-25 |
| RE33138 | Roll manufacturing method and roll, particularly for paper machines | — | 1990-01-02 |
| 4584058 | Method and apparatus for dewatering a fibrous web | Antti Lehtinen, Markku Lampinen, Bjarne Ekberg | 1986-04-22 |
| 4559106 | Press roll and press in a paper making machine | Osmo Skytta | 1985-12-17 |
| 4452647 | Hard-surfaced cast iron articles and method and apparatus for manufacturing the same | — | 1984-06-05 |