Patents by Inventor David J. Duey

David J. Duey 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).

  • Composite material bell cup
    Patent number: 6003785
    Abstract: A rotary atomizing cup has an internal concave opening and a distributor member disposed in said opening for passing particles through the distributor member to an atomizing ring as the cup is being rotated. The distributor member is formed of a polymer material, the cup body of aluminum and the atomizing ring of stainless steel.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: December 21, 1999
    Assignee: Sames Electrostatic, Inc.
    Inventor: David J. Duey