Patents by Inventor John L. Wertz

John L. Wertz 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: 4326835
    Abstract: A combination ceramic and metal turbine rotor for use in high temperature gas turbine engines includes a metal rotor disc having a rim with a plurality of circumferentially spaced blade root retention slots therein to receive a plurality of ceramic blades, each including side platform segments thereon and a dovetail configured root slidably received in one of the slots.
    Type: Grant
    Filed: October 29, 1979
    Date of Patent: April 27, 1982
    Assignee: General Motors Corporation
    Inventor: John L. Wertz