Patents by Inventor Frank D. Cunningham

Frank D. Cunningham 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).

  • Tender for submarine cable
    Patent number: 4324195
    Abstract: A device for underwater taking in and paying out of a submarine cable or tether feeding a remote controlled submarine. A stationary guide tube has a funnel above and below it for guiding a tether therethrough. The tether is moved by a power driven wheel projecting into the guide tube. A dome spaced above the guide tube is shaped to deflect the tether into an annular storage chamber around the tube.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: April 13, 1982
    Assignee: Perry Oceanographics, Inc.
    Inventors: Frank D. Cunningham, Michael A. Witt, Robert M. Hill