Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002994 | Method and apparatus for thickening lime mud in a disc filter | Jouni Jantti, Markku Lankinen, Antti Mattelmäki, Simo Suutari, Mika Kottila | 2011-08-23 |
| 5788813 | Clarifying and/or filtering of green liquor and an apparatus therefore | Martti Pokkinen, Pekka Tormikoski | 1998-08-04 |
| 5735331 | Method and apparatus for regulating the temperature in a chemical melt dissolving tank | Jouni Jantti | 1998-04-07 |
| 5620596 | Falling film cross filtration apparatus | Pekka Tormikoski | 1997-04-15 |
| 5618443 | Clarification of green liquor by falling film cross-flow filtration | Pekka Tormikoski | 1997-04-08 |
| 4762590 | Causticizing process | — | 1988-08-09 |
| 4687583 | Procedure for filtering lime sludge meant to be regenerated to lime | Matti Lankinen, Raimo Kohonen, Jukka Niskanen, Markku Kosonen | 1987-08-18 |
| 4627888 | Causticizing method | — | 1986-12-09 |
| 4264445 | Pressurized filter | Juha Lumikko, Matti Lankinen, Jaakko Savolainen, Martti Tolvanen, Yrjo Luukkainen | 1981-04-28 |
| 4243533 | Filters with filtrate chamber overflow partitions having plural outlets | Jaakko Savolainen, Yrjo Luukkainen, Martti Tolvanen, Jorma Surakka | 1981-01-06 |