Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9884285 | Method for removing dust and sulphur oxides from process gases | Jari Kupari, Eero Väänänen | 2018-02-06 |
| 9598748 | Method for producing ferroalloy containing nickel | Tuomo Mäkelä, Helge Krogerus | 2017-03-21 |
| 8696789 | Method for producing ferroalloy containing nickel | Tuomo Mäkelä | 2014-04-15 |
| 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 |
| 6149715 | Method for scrubbing gases | Veli Keinanen, Launo L. Lilja, Janne Ollila | 2000-11-21 |
| 6102990 | Multistep gas scrubber apparatus | Veli Keinanen, Launo L. Lilja, Janne Ollila | 2000-08-15 |
| 6099301 | Feed apparatus for batch preparation feed mixture for feeding into smelting furnace | Matti Elias Honkaniemi, Risto M. Heikkila, Martti Jankkila, Launo L. Lilja | 2000-08-08 |
| 4819844 | Carrying strap for a weapon | — | 1989-04-11 |
| 4513982 | Sledge or equivalent transporting base | — | 1985-04-30 |