Patents by Inventor William R. Ruble

William R. Ruble 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: 5336375
    Abstract: A delayed coker drumhead handling apparatus, which includes remotely operable trammel pivot apparatus to open and close the coke drum by moving the drumhead downwardly and laterally, such that the apparatus is especially suitable for use in areas of restricted clearance to the operating deck or otherwise confined space.
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: August 9, 1994
    Assignee: Fluor Corporation
    Inventors: Harvey A. Wallskog, Frank L. Landon, William R. Ruble