Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800113 | Equipment for distribution and feeding of charge and fuel in shaft furnaces of rectangular cross section | Marcos de Albuquerque Contrucci | 2004-10-05 |
| 6692688 | Modular furnace | Marcos de Albuquerque Contrucci, Edmar Saul Marcheze | 2004-02-17 |
| 6517603 | Method for recovery of metals having low vaporization temperature | Marcos de Albuquerque Contrucci, Edmar Saul Marcheze | 2003-02-11 |
| 5149363 | Process for smelting or melting ferrous or non-ferrous metal from self-reducing agglomerates or metal | Marcos A. Contrucci, Henrique P. Rizzo, Herbert Schwarz, Enrique Gonzales, Pedro V. Duran +2 more | 1992-09-22 |