Issued Patents All Time
Showing 1–6 of 6 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 |
| 5611893 | Device for dewatering of a paper web including prepressing with extended nip shoe | Juhani Pajula, Martti Hipsimaki, Juha Kivimaa, Jorma Laapotti, Mikko Karvinen | 1997-03-18 |
| 5495678 | Drying module and dryer sections that make use of same, in particular for a high-speed paper machine | Antti Ilmarinen, Heikki Ilvespaa/, Antti Kuhasalo, Jouko Yli-Kauppila, Pertti Heikkila/ +6 more | 1996-03-05 |
| 5389205 | Method for dewatering of a paper web by pressing using an extended nip shoe pre-press zone on the forming wire | Juhani Pajula, Juha Kivimaa, Jorma Lapotti, Martti Hirsimaki, Mikko Karvinen | 1995-02-14 |
| 4810370 | Apparatus for separating materials | — | 1989-03-07 |
| 4540290 | Immersible aerator and/or mixer apparatus | Erkki J. Jarvinen, Jarmo J. Pullo, Seppo T. Kinnunen, Arvo E. Andersson | 1985-09-10 |