Patents by Inventor Mario Roberto Estrada-Zavala

Mario Roberto Estrada-Zavala has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for constructing a monolithic refractory concrete furnace for the manufacture of glass
    Patent number: 8641940
    Abstract: A method for the monolithic furnaces construction with refractory concrete for the manufacture of glass through the formation of temporary structures for the filling and molded of refractory concrete.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: February 4, 2014
    Assignee: Compania Vidriera, S.A. de C.V.
    Inventors: Humberto Calderon Degollado, Mario Roberto Estrada-Zavala, Miguel Humberto Rangel-Soto, Armando Raúl Elizondo-Valdez, Francisco Efraín Garcia-Rodriguez
  • METHOD FOR CONSTRUCTING A MONOLITHIC REFRACTORY CONCRETE FURNACE FOR THE MANUFACTURE OF GLASS
    Publication number: 20110291310
    Abstract: A method for the monolithic furnaces construction with refractory concrete for the manufacture of glass through the formation of temporary structures for the filling and molded of refractory concrete.
    Type: Application
    Filed: December 17, 2008
    Publication date: December 1, 2011
    Inventors: Humberto Calderon Degollado, Mario Roberto Estrada-Zavala, Miguel Humberto Rangel-Soto, Armando Raúl Elizondo-Valdez, Francisco Efraín Garcia-Rodriguez