Patents by Inventor XingYun Haggard

XingYun Haggard 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).

  • Turbomachine blade
    Patent number: 11199096
    Abstract: A turbomachine airfoil element comprises an airfoil having: an inboard end; an outboard end; a leading edge; a trailing edge; a pressure side; and a suction side. A span between the inboard end and the outboard end is 1.75-2.20 inches. A chord length at 50% span is 1.05-1.35 inches. At least two of: a first mode resonance frequency is 2400±10% Hz; a second mode resonance frequency is 4950±10% Hz; a third mode resonance frequency is 7800±10% Hz; a fourth mode resonance frequency is 8700±10% Hz; and a fifth mode resonance frequency is 12500±10% Hz.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: December 14, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Michael Leslie Clyde Papple, David A. Niezelski, Daniel Lecuyer, XingYun Haggard, Domenico Di Florio, Francois Caron, John R. Battye, Panagiota Tsifourdaris, Ghislain Plante, Timothy J. Jennings, Rene Paquet