Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805734 | Compact cascade scrubber for scrubbing exhaust gas | Launo L. Lilja, Pasi J. Maatta, Timo Nivala, Bror Nyman | 2004-10-19 |
| 6767206 | Arrangement and method for heating gas in a gas duct in connection with continuously operated sintering | Eero Väänänen, Jouko Pirttimaa, Olavi Tulkki | 2004-07-27 |
| 6739446 | Method for measuring the surface height of a material bed conducted on a conveyor belt to thermal treatment | Eero Väänänen | 2004-05-25 |
| 6698582 | Belt for the thermal treatment of a continuously operated material bed | Martti Jankkila, Eero Väänänen | 2004-03-02 |