Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989387 | Method for controlling chloride concentration in the flue gas of a recovery boiler | Paavo Hyoty, Risto Hämäläinen, Maiju Alaniemi, Keijo Imelainen, Pauli Harila +1 more | 1999-11-23 |
| 5976318 | Method for burning secondary sludge in a recovery boiler | Matti Knuutila, Jarmo Kaila, Jukka Vaistomaa, Keijo Imelainen, Pauli Harila +1 more | 1999-11-02 |
| 5562804 | Method for adjusting the sulphur/sodium ratio in the flue gases of a soda recovery boiler | Seppo Tuominiemi, Esa Pikkujamsa, Keijo Imelainen, Pauli Harila, Ahti Klami | 1996-10-08 |