Patents by Inventor William F. Nanstiel, Jr.

William F. Nanstiel, Jr. 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).

  • Bore gauge
    Patent number: 4253241
    Abstract: A bore gauge for measuring the internal diameter of tubes comprises at least two concentrically and rotatably arranged members connected by a helically wound spring member. The spring member is capable of contacting the inside surface of the tube and causing relative rotation of the members thereby indicating the internal diameter of the tube.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: March 3, 1981
    Assignee: Westinghouse Electric Corp.
    Inventor: William F. Nanstiel, Jr.