Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580771 | Method and arrangement for refining copper concentrate | Tapio Ahokainen, Peter Björklund, Harri Rannikko, Maija-Leena Metsarinta, Markku Lahtinen | 2017-02-28 |
| 6238457 | Method for feeding and directing reaction gas and solids into a smelting furnace and a multiadjustable burner designed for said purpose | Ismo Holmi, Launo L. Lilja, Jussi Sipilä, Pekka Tuokkola, Vesa Torola +1 more | 2001-05-29 |