Patents by Inventor Fred T. Dudley

Fred T. Dudley 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: 4135465
    Abstract: An oil tank which is inserted into a hold of an oil tanker vessel; the oil tank being smaller than the space in the hold so that there is approximately a three inch clearance all around the sides and bottom of the tank, this space being filled with a sprayed in foam.
    Type: Grant
    Filed: January 11, 1977
    Date of Patent: January 23, 1979
    Inventors: Fred T. Dudley, George Spector