Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800113 | Equipment for distribution and feeding of charge and fuel in shaft furnaces of rectangular cross section | Pedro Henrique Carpinetti Costa | 2004-10-05 |
| 6692688 | Modular furnace | Pedro Henrique Carpinetti Costa, Edmar Saul Marcheze | 2004-02-17 |