Patents by Inventor Franz D. Davis

Franz D. Davis 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).

  • Microwave cavity having a removable end wall
    Patent number: 6118356
    Abstract: A plurality of end caps engagable with a microwave cavity each have an underside configured differently to cause the microwave cavity to have different electrical responses depending on which end cap engages the microwave cavity. A microwave device includes a cylindrical cavity and an end cap movable within the cavity to change its axial position within the cavity thereby varying the volume and the electrical response of the cavity.
    Type: Grant
    Filed: September 16, 1998
    Date of Patent: September 12, 2000
    Assignee: Hughes Electronics Corporation
    Inventors: Keith N. Loi, Paul J. Tatomir, Franz D. Davis, Robert J. Ahulii, James W. Schultz