Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9169537 | Supply system for suspension smelting furnace | — | 2015-10-27 |
| 8956564 | Supply system for suspension smelting furnace | — | 2015-02-17 |
| 7393496 | Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace | Risto Saarinen | 2008-07-01 |
| 6955140 | Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace | Risto Saarinen | 2005-10-18 |
| 6936216 | Melt launder | Ari Jokilaakso | 2005-08-30 |
| 6887298 | Method and equipment for smelting non-ferrous metal sulphides in a suspension smelting furnace in order to produce matte of a high non-ferrous metal content and disposable slag | Markku Kytö | 2005-05-03 |
| 6858175 | Bottom structure for a smelting furnace | Risto Saarinen | 2005-02-22 |
| 6755890 | Method for reducing non-ferrous metal content in slag in the production of non-ferrous metals occurring in suspension smelting furnace | Pekka Hanniala, Risto Saarinen | 2004-06-29 |
| 6641777 | Method for the manufacture of a composite cooling element for the melt zone of a metallurgical reactor and a composite cooling element manufactured by said method | Risto Saarinen, Ari Jokilaakso | 2003-11-04 |
| 6615913 | Pyrometallurgical reactor cooling element and its manufacture | Eero Hugg, Pertti Mäkinen, Raimo Koota | 2003-09-09 |
| 6565799 | Equipment for the even feed of pulverous material to a concentrate burner of suspension smelting furnace | Markku Lahtinen, Kaarle Peltoniemi | 2003-05-20 |
| 5772955 | Apparatus for suspension smelting | Pekka Hanniala, Risto Saarinen, Erkki Krogerus | 1998-06-30 |
| 5674310 | Method and apparatus for feeding reaction gas and solids | Francisco Miralles, Enrique Delgado, Patricio Barrios, Heikki Savolainen, Teuvo P. T. Hanniala | 1997-10-07 |