Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395056 | Method for the heat treatment of iron ore lumps in a reduction system | Jose María Eloy Aparicio-Arranz, Ricardo Viramontes-Brown, Juan Celada-Gonzalez, Raul Gerardo Quintero-Flores, Roberto Octaviano Flores-Serrano | 2002-05-28 |
| 6379421 | Method and apparatus removing undesirable metals from iron-containing materials | Mario Alberto Salinas-Fernández, Maria Teresa Guerra-Reyes, Jose María Eloy Aparicio-Arranz, Miguel Angel Pedroza-Contreras | 2002-04-30 |
| 6224649 | Method and apparatus for reducing iron-oxides-particles having a broad range of sizes | — | 2001-05-01 |
| 6132489 | Method and apparatus for reducing iron-oxides-particles having a broad range of sizes | — | 2000-10-17 |
| 6027545 | Method and apparatus for producing direct reduced iron with improved reducing gas utilization | — | 2000-02-22 |
| 5882579 | Apparatus for producing direct reduced iron utilizing a reducing gas with a high content of carbon monoxide | Ricardo Viramontes-Brown | 1999-03-16 |
| 5676732 | Method for producing direct reduced iron utilizing a reducing gas with a high content of carbon monoxide | Ricardo Viramontes-Brown | 1997-10-14 |
| 5110350 | Method of reducing iron ore | Eugenio Zendejas-Martinez, Enrique R. Martinez-Vera | 1992-05-05 |
| 4608240 | Method for the desulfurization of hydrocarbon gas | Eugenio Zendejas-Martinez, Hector Lopez-Ramos | 1986-08-26 |
| 4428772 | Method for reducing metal ore | Carlos Dominguez-Ahedo, Hector Lopez-Ramos, Alejandro De-Gyves | 1984-01-31 |