Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540941 | Method and apparatus in the surface sizing of a paper or board web | Juha Lipponen, Pekka Pakarinen, Juha Pakarinen, Kari Holopainen, Arto Tuomi | 2009-06-02 |
| 7491160 | Grooved forming roll | Heikki Karttunen | 2009-02-17 |
| 7264692 | Method for monitoring the operation of a doctor assembly in a paper machine and a doctor assembly for implementing the method | Juha Isometsä, Tuomo Juvakka, Seppo Parviainen, Ilkka Rata, Mika Saari | 2007-09-04 |
| 7108766 | Doctor unit in a paper machine | Ilkka Eskelinen, Ilkka Rata, Harri Ruotsalainen, Jukka Samppala, Heikki Toivanen | 2006-09-19 |
| 7033459 | Arrangement for doctoring a belt or a soft roll surfacing in a paper or board machine | Ilkka Rata | 2006-04-25 |
| 6991757 | Caring doctor blade and method for manufacture of same | Ilkka Rata | 2006-01-31 |
| 6849159 | Device and method in the transfer of the paper board web in the paper or board machine | Heikki Ilvespaa, Kari Juppi, Antti Komulainen | 2005-02-01 |
| 6521090 | Method and device for changing the natural frequency of a nip roll construction in a paper or board machine | Jorma Kolio, Arto Puranen | 2003-02-18 |
| 6486448 | Method for heating of a roll and a heatable roll | Juhani Niskanen | 2002-11-26 |
| 6461687 | Method for manufacturing a paper or board machine and coating composition therefor | Kari Niemi, Juha Wahlroos, Pentti Lehtonen, Jorma Majava, Jussi Tuomela +1 more | 2002-10-08 |
| 6416843 | Caring doctor blade and method for manufacture of same | Ilkka Rata | 2002-07-09 |
| 6231722 | Method and system for monitoring the process of separation of a web | — | 2001-05-15 |
| 6200248 | Roll for a paper or board machine | Kari Niemi | 2001-03-13 |
| 5821498 | Method for heating of a roll and a heatable roll | Juhani Niskanen | 1998-10-13 |
| 5782729 | Method for regulating loading of an adjustable-crown roll and an adjustable-crown roll | — | 1998-07-21 |
| 5597449 | Method and device for conditioning the coating of a paper machine roll | Pekka Harinen | 1997-01-28 |
| 5235747 | Method of manufacture of a roll for use in paper production | Jorma Leino, Jukka Salo, Ari Telama | 1993-08-17 |
| 5111567 | Roll for use in paper production and method of manufacture thereof | Jorma Leino, Jukka Salo, Ari Telama | 1992-05-12 |