Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501824 | Treatment of complex sulfide concentrate | Satu Jyrkönen, Jussi Liipo | 2019-12-10 |
| 9580771 | Method and arrangement for refining copper concentrate | Tapio Ahokainen, Peter Björklund, Tuomo Jokinen, Harri Rannikko, Markku Lahtinen | 2017-02-28 |
| 9435005 | Method for processing slags of non-ferrous metallurgy | Jussi Liipo, Pekka Kurki, Madeleine Scheidema | 2016-09-06 |
| 9068240 | Method for processing spodumene | — | 2015-06-30 |
| 7044996 | Method for reducing build-up on a roasting furnace grate | Pekka Taskinen, Juha Jarvi, Jens Nyberg, Heikki Siirilä | 2006-05-16 |
| 6926752 | Method for the stabilization of a fluidized bed in a roasting furnace | Pekka Taskinen, Jens Nyberg, Aija Rytioja | 2005-08-09 |
| 5411572 | Method for utilizing smelter waste containing zinc and other valuable metals | Frans H. Tuovinen | 1995-05-02 |
| 5009870 | Method for removing sulphur and nitrogen compounds from gas | Seppo Heimala, Olli Hyvärinen | 1991-04-23 |
| 4861577 | Method for removing the sulphur content of a weak gas containing sulfur dioxide | Timo T. Talonen, Jaakko T. I. I Poijarvi | 1989-08-29 |
| 4313849 | Process for the production of activated carbon from a moist organic substance | Frans H. Tuovinen, Risto J. Honkala | 1982-02-02 |