Patents by Inventor Stephen D. Haddock

Stephen D. Haddock 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).

  • Publication number: 20160153865
    Abstract: A method of measuring untwist in an gas turbine engine airfoil, the method includes measuring first and second cooling holes on an exterior airfoil surface of an airfoil, determining untwist in a chord-wise direction and/or creep in a radial direction based upon the measurement, evaluating the determination relative to reference information for the airfoil, and outputting a part status based upon the evaluation.
    Type: Application
    Filed: July 29, 2015
    Publication date: June 2, 2016
    Inventors: Kyle C. Lana, Stephen D. Haddock