Patents by Inventor David Vargas Leal

David Vargas Leal 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).

  • Reduced weldment pre-heat technique for nickel based superalloys
    Publication number: 20040099714
    Abstract: Method for forming a weldment in a nickel based alloy substrate comprising subjecting the substrate prior to welding to a pre-heating step at an elevated temperature which is above ambient temperature and less than an aging temperature of the substrate.
    Type: Application
    Filed: November 26, 2002
    Publication date: May 27, 2004
    Inventors: Thaddeus J. Strusinski, Jeffry Killough, David Vargas Leal, Paul A. Wilson, Michael J. Butler, Daniel Salinas, M. Lee Blackwell