Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7351387 | Method for removing impurities accumulated in a scrubbing fluid | Oiva Pehkonen, Tarja Korhonen, Markku Helin | 2008-04-01 |
| 7306776 | Method and an apparatus for processing flue gas scrubber material flows | Oiva Pehkonen, Tarja Korhonen, Markku Helin | 2007-12-11 |