Patents by Inventor Jeferson Frederico Monteiro Costa

Jeferson 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
    Publication number: 20030178400
    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: Application
    Filed: April 7, 2003
    Publication date: September 25, 2003
    Inventors: Joao Vinicius De Oliveira Correia, Jeferson Frederico Monteiro Costa
  • Shielding gas mixture for MIG brazing
    Patent number: 6570127
    Abstract: The shielding gas mixture is useful for MIG brazing galvanized steel. The gas mixture having 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: May 3, 2001
    Date of Patent: May 27, 2003
    Assignee: Praxair Technology, Inc.
    Inventors: João Vinicíus de Oliveira Correia, Jeferson Frederico Monteiro Costa
  • Shielding gas mixture for MIG brazing
    Publication number: 20030019856
    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: Application
    Filed: May 3, 2001
    Publication date: January 30, 2003
    Inventors: Joao Vinicius De Oliveira Correia, Jeferson Frederico Monteiro Costa