Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6289607 | Flotation dryer unit and method of use | Rami Aaltonen, Roland Banecki, Pertti Heikkila, Richard Solin | 2001-09-18 |
| 5771602 | Method and device for drying a coating on a paper web or equivalent | Pertti Heikkila | 1998-06-30 |
| 5608973 | Arrangement for lowering the noise level of a cooling layer in a pulp dryer and a pulp dryer | Henrik Pettersson | 1997-03-11 |
| 5570519 | Method and device in contact-free treatment of a web | Richard Solin, Matti Lepisto, Eelis Matilainen | 1996-11-05 |
| 5199623 | Device for supporting, turning and spreading of a web | Raimo Rajala, Jukka Parvinen, Pertti Heikkila, Ilkka Jokioinen | 1993-04-06 |