Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7198841 | Paper having a cellulosic fiber layer treated with elementary particles | Vilho Nissinen, Pasi Rajala, Lars Gronroos, Pentti Virtanen, Veli Käsmä +1 more | 2007-04-03 |
| 6787196 | Apparatus for making a web of paper or board containing calcium carbonate | Vilho Nissinen, Pasi Rajala, Lars Gronroos, Pentti Virtanen, Veli Käsmä +1 more | 2004-09-07 |
| 6680086 | Method for making paper, assembly for implementing the method and paper product produced by the method | Vilho Nissinen, Pasi Rajala, Lars Gronroos, Pentti Virtanen, Veli Käsmä +1 more | 2004-01-20 |
| 5983787 | Method for calendering a paper web and a calendar that makes use of the method | Ari Linsuri, Reima Kerttula, Pekka Kivioja | 1999-11-16 |
| 5915294 | Method and apparatus for heating a paper web in a calender | — | 1999-06-29 |