Patents by Inventor David W. Culver

David W. Culver 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).

  • Method of launching a large floatable object from a dock to water and delaunching it
    Patent number: 4473321
    Abstract: A method of launching a large object such as a ship, barge or floatable offshore structure from a dock to water at a lower level than the dock surface by pushing the object over the dock edge, supporting the portion of the object extending past the dock edge on open bottom launch cans and continuing the procedure until the object is fully supported above the water only by the launch cans. By ballasting the launch cans the object is lowered into the water where it floats.
    Type: Grant
    Filed: May 2, 1983
    Date of Patent: September 25, 1984
    Assignee: Chicago Bridge & Iron Company
    Inventors: David W. Culver, Frederick J. Thielbar