Patents by Inventor Salvador G. Maldonado

Salvador G. Maldonado 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).

  • Process For Hardfacing of Bore and Seat Face Intersection on Gate Valve
    Publication number: 20090289209
    Abstract: A method of treating a valve with a coating, such as hardfacing, that includes depositing the coating with a spray stream that is oriented perpendicular to the surface being treated. The method further includes applying a coating of uniform thickness onto lateral surfaces of a valve seat, a portion of the valve seat bore, and the interface between a valve seat lateral surface and the valve seat bore. The valve seat bore can include an annular recess formed to receive a layer of coating.
    Type: Application
    Filed: May 1, 2009
    Publication date: November 26, 2009
    Applicant: Vecto Gray Inc.
    Inventors: David D. Comeaux, Salvador G. Maldonado, Eddie J. Mayea, Mahesha Udipi