Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6682632 | Roll for a paper or board machine | Osmo Nikulainen, Heikki Karttunen, Antti Leinonen, Seppo Kiviranta, Hannu Villgrén +2 more | 2004-01-27 |
| 6533900 | Device in a paper machine for transfer of the web from the former section to the press section | Janne Puustinen, Samppa Salminen, Pertti Heikkila, Ari Puurtinen, Antti Poikolainen +1 more | 2003-03-18 |
| 6471827 | Method and device for measurement of the retention profile and for control of the retention in a paper/board machine | Juhana Lumiala, Antti Poikolainen, Ari Puurtinen | 2002-10-29 |
| 6254731 | Steam box including a suction zone in an area of a web adjacent to edge cutter devices | Ari Puurtinen, Jan Lindstrom, Lars Håkan Mikael Hannus | 2001-07-03 |
| 6214168 | Method and device in a paper machine for transfer of the web from the former section to the press section | Janne Puustinen, Samppa Salminen, Pertti Heikkila, Ari Puurtinen, Antti Poikolainen +1 more | 2001-04-10 |
| 6132559 | Method and device for dewatering a paper or board web and passing the web into a press section | Arto HAAVANLAMMI, Ari Puurtinen | 2000-10-17 |