Patents by Inventor William F. Lang, III

William F. Lang, III 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).

  • Patent number: 6139258
    Abstract: A gas turbine engine airfoil leading edge includes depressions therein longitudinally spaced apart and centered on stagnation points. The depressions stay filled with relatively stationary air during engine operation and reduce the heat load at the leading edge, which is primarily cooled by an internal supply of cooling fluid.
    Type: Grant
    Filed: March 30, 1987
    Date of Patent: October 31, 2000
    Assignee: United Technologies Corporation
    Inventors: William F. Lang, III, Thomas Alvin Auxier