Patents by Inventor Robert A. Frank

Robert A. Frank 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).

  • Molten aluminum refining and gas dispersion system
    Patent number: 9127332
    Abstract: Aspects of this molten aluminum refining system include a rotor based injection system which provides for the injection and dispersion of both gas and flux for refining molten aluminum.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: September 8, 2015
    Assignee: Pyrotek, Inc.
    Inventors: Robert A. Frank, Michael S. Klepacki
  • Molten aluminum refining and gas dispersion system
    Publication number: 20090229415
    Abstract: Aspects of this molten aluminum refining system include a rotor based injection system which provides for the injection and dispersion of both gas and flux for refining molten aluminum.
    Type: Application
    Filed: March 11, 2008
    Publication date: September 17, 2009
    Inventors: Robert A. Frank, Michael S. Klepacki
  • Method of treating drug abuse
    Patent number: 5500433
    Abstract: The present invention is directed to a new class of piperidinyl medicinal agents which are useful for treating drug abuse.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: March 19, 1996
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: Albert A. Carr, Richard C. Dage, John E. Koerner, Tung Li, Francis P. Miller, Thaddeus R. Nieduzak, Mark W. Dudley, . Christopher J. Schmidt, Robert A. Frank