Patents by Inventor Helio Calvalcante Lopes de Albuquerque

Helio Calvalcante Lopes de Albuquerque 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).

  • Container made of stainless steel for forming self-baking electrodes for use in low electric reduction furnaces
    Publication number: 20020021738
    Abstract: The present invention relates to a self-baking electrode for use in low electric reduction furnaces, and refers particularly to a container (1) for the formation of self-baking electrodes to be used in low electric reduction furnaces, allowing the manufacture of silicon alloys with iron content as low as 0.35%, the container comprising a cylindrical casing (11) split in two parts containing therein a plurality of ribs (12) uniformly attached perpendicularly along the inner surface of the casing (11) lengthwise along the cylindrical casing wherein the cylindrical casing (11) and ribs (12) are made of stainless steel plates.
    Type: Application
    Filed: August 2, 2001
    Publication date: February 21, 2002
    Inventor: Helio Calvalcante Lopes de Albuquerque