Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674310 | Method and apparatus for feeding reaction gas and solids | Francisco Miralles, Enrique Delgado, Patricio Barrios, Heikki Savolainen, Ilkka Kojo | 1997-10-07 |
| 4645186 | Apparatus for processing sulphide concentrates and sulphide ores into raw material | — | 1987-02-24 |
| 4599108 | Method for processing sulphide concentrates and sulphide ores into raw material | — | 1986-07-08 |