Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8512514 | Method and system to generate steam in a digester plant of a chemical pulp mill | Petri Tikka | 2013-08-20 |
| 6217711 | Method of treating condensates | Rolf Ryham, John Rauscher, Theodora RETSINA, Jan Ohman | 2001-04-17 |
| 6090240 | Method of inhibiting scaling in black liquor evaporators | Henrik Eneberg, Erkki Kiiskila | 2000-07-18 |
| 5976318 | Method for burning secondary sludge in a recovery boiler | Matti Knuutila, Jukka Vaistomaa, Keijo Imelainen, Pauli Harila, Veli-Antti Kivilinna +1 more | 1999-11-02 |
| 5647955 | Method of reducing scaling of heat transfer surfaces in an evaporation plant of a sulphate cellulose mill | Jukka Vaistomaa, Jouko Rikkinen, Matti Knuutila | 1997-07-15 |