Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138630 | Cylinder liners for aluminum motor blocks and methods of production | — | 2000-10-31 |
| 5421856 | Process to reduce dross in molten aluminum | — | 1995-06-06 |
| 5322543 | Simplified method for producing ductile iron | — | 1994-06-21 |
| 5236180 | Water cooling in induction heating furnaces | Antonio Lazcano-Ponce, Rafael Arellano-Valdes | 1993-08-17 |
| 5112387 | Producing stainless steels in electric arc furnaces without secondary processing | — | 1992-05-12 |
| 5112029 | Quick fluid injection assembly replacement in metallurgical reacters | Gregorio Vargas-Gutierrez, Jose E. Hernandez-Ruiz, Carlos Maroto-Cabrera | 1992-05-12 |
| 5043137 | Method and device to produce a coating from metal powder metallurgically bonded to a metallic part | Gregorio Vargas-Gutierrez, Andres Geronimo-Torres, Francisco M. Flores-Malacara | 1991-08-27 |
| 4957546 | Direct steelmaking process from 100% solid charge of multiple reducing and oxidizing alternating periods | — | 1990-09-18 |
| 4894122 | Continuous process for the desulphurization of carbonaceous residuals from distillation of petroleum using a plurality of fluidized beds | Andres Geronimo-Torres | 1990-01-16 |
| 4799651 | Device for introducing separated fluids through independent flow paths through bottom tuyeres in a rotating metallurgical converter | Miguel Alcantara, Jose E. Hernandez-Ruiz | 1989-01-24 |
| 4780133 | Process to improve the refining of liquid metals by natural gas injection | Gregorio Vargas-Gutierrez, Carlos Maroto-Cabrera | 1988-10-25 |
| 4762554 | Process to eliminate hazardous components from the electric arc furnace flue dust and recovering of metals | — | 1988-08-09 |
| 4754954 | Refractory device for introducing a gas into a molten metal and a method for making the device | Gregorio Vargas Gutiérrez | 1988-07-05 |
| 4726033 | Process to improve electric arc furnace steelmaking by bottom gas injection | Gregorio Vargas-Gutierrez, Carlos Maroto-Cabrera | 1988-02-16 |
| 4693274 | Device for the selective injection of an oxidizing gas or a carrier gas with or without carbonaceous material to a liquid metal bath | Miguel Alcantara, Jose E. Hernandez-Ruiz | 1987-09-15 |
| 4606531 | Rotary joint apparatus for introducing and transporting several independent fluids and solid fines into a metallurgical converter | Miguel Alcantara | 1986-08-19 |
| 4596382 | Telescopic sealing hood between converter and stack while refining iron | Antonio Villasenor-Mejia | 1986-06-24 |
| 4585476 | Method for producing liquid steel from iron ore | Antonio Villasenor-Mejia, Miguel Alcantara, Jorge Fernandez-Garcia | 1986-04-29 |
| 4537629 | Method for obtaining high purity ductile iron | Miguel Alcantara | 1985-08-27 |
| 4531718 | Iron ores treatment apparatus | Antonio Villasenor-Mejia | 1985-07-30 |