Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932000 | System for feeding combustion air in a soda recovery boiler | Jussi Mantyniemi | 2005-08-23 |
| 6609482 | Method in a soda recovery boiler, and a soda recovery boiler | Antti Raukola, Aki Hakulinen | 2003-08-26 |
| 6287415 | Arrangement in soda recovery boiler for removing melts for maintenance | Kalle Salmi, Jaakko Mäkelä, Aki Hakulinen | 2001-09-11 |
| 6230664 | Method and arrangement for supplying air to a fluidized bed boiler | Kauko Janka, Matti Ylitalo | 2001-05-15 |
| 6178898 | Recovery boiler | Matti Salmela | 2001-01-30 |
| 6006683 | Method and arrangement for supplying air to recovery boiler | Kauko Janka, Matti Ylitalo | 1999-12-28 |
| 5112441 | Process for the recovery of heat and chemicals from spent liquor | Erik Saiha, Kari Kuukkanen, Paavo Hyoty | 1992-05-12 |
| 4788047 | Process for causing the gaseous sulfur compounds of flue gases to react to form solid compounds which can be separated from the flue gases | Sirpa Hamala, Timo Kenakkala, Pentti Janka, Martti Lehtimaki | 1988-11-29 |