Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512431 | Method of forming a three-layer board web and a forming section of forming a three-layer board web | Juan Cecchini, Juha Kivimaa, Kari Lamminmäki | 2022-11-29 |
| 11299857 | Method for sizing a multi-ply fiber web and a forming section for a multi-ply fiber web | Reijo Pietikäinen, Juan Cecchini, Teuvo Virkkunen | 2022-04-12 |
| 10472768 | Forming section for forming a fibrous web, a papermaking machine comprising a forming section and a method of forming a fibrous web | Karl-Johan Tolfsson | 2019-11-12 |
| 8048269 | Forming section | Janne Laakso, Janne Lappi | 2011-11-01 |
| 7931777 | Multi-layer web formation section | Kari Raisanen | 2011-04-26 |
| 7608165 | Multi-layer web formation section | Kari Raisanen | 2009-10-27 |
| 7491295 | Dewatering element having non-pulsing dewatering followed by pulsing dewatering | Marko J. Moilanen, Kari Lamminmäki | 2009-02-17 |
| 7364643 | Forming of a paper or board web in a twin-wire former or in a twin-wire section of a former | Jeffrey C. Irwin, Michael Odell, Hannu Korhonen, Ari Puurtinen, Sami Anttilainen | 2008-04-29 |
| 7300553 | Arrangement for a wire section of a paper or board machine | Aimo Närväinen | 2007-11-27 |
| 6942760 | Arrangement in the wet end of a paper machine | Pertti Heikkila, Ari Puurtinen | 2005-09-13 |
| 6605189 | Suction box in a paper machine | Jorma Snellman, Ari Puurtinen, Samppa Salminen | 2003-08-12 |
| 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, Jorma Laapotti +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, Ari Puurtinen, Mika Viertola | 2002-10-29 |
| 6368462 | Headbox for a paper or board making machine | Juhana Lumiala | 2002-04-09 |
| 6322668 | Suction box in paper machine and method in the suction box in a paper machine | Jorma Snellman, Ari Puurtinen, Samppa Salminen | 2001-11-27 |
| 6306262 | Suction box in a paper machine | Jorma Snellman, Ari Puurtinen, Samppa Salminen | 2001-10-23 |
| 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, Jorma Laapotti +1 more | 2001-04-10 |
| 5607554 | Loading box for a former of a paper or board machine | — | 1997-03-04 |
| 5573643 | Twin wire web former in a paper machine | Jyrki Jaakkola, Seppo Kiviranta, Ari Linsuri, Michaell Odell, Samppa Salminen | 1996-11-12 |
| 5573644 | Apparatus for guiding a wire | Kari Lamminmäki | 1996-11-12 |
| 5552021 | Method, device and arrangement for regulating the control of a transverse profile of a paper web in a paper machine | Heikki Ilvesp aa, Jyrki Jaakkola, Ari Linsuri, Erkki Partanen, Pasi Turpeinen +1 more | 1996-09-03 |