Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407562 | Method, system and calendar for controlling the moisture profile and/or moisture gradient of a paper web, and a web | Antti Heikkinen, Pekka Linnonmaa, Hannu Latti, Markku Kyytsonen, Markko Jaakkola | 2008-08-05 |
| 7147754 | System for keeping calender rolls of a paper machine clean | Pentti Rautiainen, Markku Kyytsonen | 2006-12-12 |
| 7017479 | Calender | — | 2006-03-28 |
| 6461687 | Method for manufacturing a paper or board machine and coating composition therefor | Juhani Vestola, Kari Niemi, Juha Wahlroos, Pentti Lehtonen, Jorma Majava +1 more | 2002-10-08 |
| 6413374 | Threading device and method for threading the tail of the web | Mauri Laurikainen, Pauli Kytönen, Pekka Koivukunnas, Markku Kyytsonen, Jorma Kinnunen +1 more | 2002-07-02 |
| 6264792 | Method for producing calendered paper | Markku Kyytsonen, Juhani Partanen, Kari Sipi, Eero Suomi, Antti Heikkinen +4 more | 2001-07-24 |
| 6235156 | Method for paper web transfer and transfer apparatus for paper web | Hannu Pullinen, Rauno Rantanen | 2001-05-22 |
| 5932069 | Paper machine roll with heated ends in a soft calender or supercalender and method for calendering a web | Markku Kyytsonen, Rob Stapels, Vesa Ijas, Jouko Meronen, Risto Vainio +1 more | 1999-08-03 |
| 5483873 | Method in calendering of a paper web and a calendar that makes use of the method | Pekka Koivukunnas, Jussi Tuomela, Markku Ellila, Mikko Tani | 1996-01-16 |
| 4936207 | System of rolls in a supercalender | Juhani Niskanen, Ari Lassila, Pentti Hyytinen, Hannu Maa | 1990-06-26 |
| 4721266 | Continuously running rewinder with pressure roller | Pekka Haapanen, Ari Bjorkman, Rauno Hagel, Ari Lassila | 1988-01-26 |
| 4633774 | Control device for a roll press | Tapani Kultaranta | 1987-01-06 |
| 4470183 | Roll construction | — | 1984-09-11 |