Patents by Inventor Dennis J. Hanzlick

Dennis J. Hanzlick 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: 4924698
    Abstract: A method and apparatus for measuring profiles of ocean properties. The apparatus includes a stationary surface buoy to which a weight and cable are attached, the sensors traverse the cable by means of a hydrofoil the pitch of which is varied by a pressure activated sensing system. The apparatus is adapted for use under pack ice or ice bergs. The method is that of moving the sensors in a vertical direction along a guide cable beneath a surface buoy. The cable can hang from the pack ice or be buoyed upward from an anchor on the sea floor.
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: May 15, 1990
    Inventors: Douglas C. Echert, Edward W. Geller, Dennis J. Hanzlick, James H. Morison