Patents by Inventor Jefferson Frederico Monteiro Costa

Jefferson Frederico Monteiro Costa 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).

  • Shielding gas mixture for MIG brazing
    Patent number: 6753502
    Abstract: The shielding gas mixture is useful for MIG brazing galvanized steel. The gas mixture consists essentially of, by volume percent, about 0.5 to 4 carbon dioxide, about 0.2 to 1 hydrogen, and the balance is argon and incidental impurities.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: June 22, 2004
    Assignee: Praxair Technology, Inc.
    Inventors: Jo{overscore (a)}o Vinicíus De Oliveira Correia, Jefferson Frederico Monteiro Costa