Patents by Inventor Nelson Filho

Nelson Filho 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).

  • FILTERING APPARATUS, FILTER REGULATOR FOR USE WITH SPRAY GUN AND SPRAYING SYSTEM USING THE SAME
    Publication number: 20070137156
    Abstract: A filtering apparatus includes a housing having an inlet and at least an outlet, and a filter arrangement disposed in the housing, downstream of the inlet and upstream of the outlet for filtering a pressurized gas entering the housing through the inlet to provide a filtered pressurized gas at the outlet. The filter arrangement has first and second tubular filter elements. The first filter element is received within the second filter element. The filtering apparatus can be configured as a filter regulator when equipped with a pressure regulator. The filtering apparatus of filter regulator can be used with one or more spray guns or in a spraying system.
    Type: Application
    Filed: November 7, 2006
    Publication date: June 21, 2007
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventors: Roberto da Costa, Nelson Filho, Kleber Batista