Patents by Inventor Robert Tillyer

Robert Tillyer 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).

  • Off shore structures
    Patent number: 4018057
    Abstract: An offshore tower structure has a polygonal hollow base which can be selectively flooded or made buoyant, at least five columns sloping upwards and inwardly from apices of the base to a top frame above the surface of the water and bracing members arranged in zig-zag patterns between each pair of adjacent columns.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: April 19, 1977
    Assignee: King-Wilkinson, Limited
    Inventors: Cevdet Erzen, Robert Tillyer, Norman Elliott Williams