Patents by Inventor John Z. Hoyer

John Z. Hoyer 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).

  • Instrumentation probe
    Patent number: 4244222
    Abstract: An improved instrumentation probe is disclosed for use within a turbomachine, including an airfoil, such as of a vane, having a portion of its airfoil leading edge removed. The probe is disposed adjacent to the airfoil to replace the removed airfoil leading edge portion and to aerodynamically form the leading edge of the airfoil.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: January 13, 1981
    Assignee: General Electric Company
    Inventors: John Z. Hoyer, John C. Scott