Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8126583 | Method for supplying a chemical or chemical compound in a fibrous web machine and an apparatus for implementing the method | Ilkka Roitto, Tapio Nikola, Alf Robertsson, Ari Murronmaa, Petri Jokiranta | 2012-02-28 |
| 7575013 | Method and arrangement in the manufacture of coating | — | 2009-08-18 |
| 7175337 | Method and apparatus for mixing pulverous material with liquid | — | 2007-02-13 |
| 7097346 | Method and system in control of coating color recipe | — | 2006-08-29 |
| 6230550 | Method and apparatus for measuring the properties of a composition or a component thereof used in the processing of a paper or board web | Tapio Jarvensivu, Mika Leiritie, Ilkka Roitto | 2001-05-15 |