Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871130 | Arrangement and process for carrying out an intensified combustion | Ralf Kriegel, Robert Kircheisen, Ville Ristimaeki | 2020-12-22 |
| 7601189 | Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelter | Tomi Anttila, Keijo Rauhala | 2009-10-13 |
| 6158238 | Arrangement for transferring heating and cooling power | Mauri Kontu | 2000-12-12 |
| 5645952 | Method and apparatus for charging and discharging electric energy | Minna Viitanen, Jaakko Lamminen, Marina Fomino | 1997-07-08 |
| 4584058 | Method and apparatus for dewatering a fibrous web | Antti Lehtinen, Vaino Sailas, Bjarne Ekberg | 1986-04-22 |
| 4357758 | Method and apparatus for drying objects | — | 1982-11-09 |