Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475065 | Device and method for purifying air from non-desired components and for eliminating such components | — | 2016-10-25 |
| 7442234 | Device and method for removing undesirable gases and particles from the air | — | 2008-10-28 |
| 6651818 | Ion particle classifier and classifying method | Hannu L. Suominen | 2003-11-25 |
| 6632267 | Method and device for separating materials in the form of particles and/or drops from a gas flow | — | 2003-10-14 |
| 6287368 | Apparatus for the purification of air flue gases, or equivalent | — | 2001-09-11 |
| 6230995 | Micronizing device and method for micronizing solid particles | Jouko Niemi, Hannu L. Suominen | 2001-05-15 |
| 4977318 | Procedure and means for measuring radon content in the air | Thor G. Graeff | 1990-12-11 |
| 4868386 | Method and apparatus for measuring radon content in the air | — | 1989-09-19 |
| 4786804 | Means for measuring radon gas in the soil | — | 1988-11-22 |
| D256274 | Ionisator | — | 1980-08-05 |