Patents by Inventor Ralph M. Warrington

Ralph M. Warrington 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: 4415293
    Abstract: Method of prevent marine growth on the shallow water portions of platform legs by applying a polymer coating to the legs and covering the polymer with a copper-nickel alloy anti-fouling covering.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: November 15, 1983
    Assignee: Shell Oil Company
    Inventors: Robert F. Engel, Thomas E. Long, Ralph M. Warrington