Patents by Inventor Harvey A. Wallskog

Harvey A. Wallskog 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).

  • Delayed coker drumhead handling apparatus
    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
  • Closure apparatus for pipes and vessels
    Patent number: 5048876
    Abstract: A closure apparatus for pipes, vessels and the like includes a ring member which extends around the perimeter of a pair of flanges. The ring member includes a plurality of rollers that engage the nonmating sides of the flanges and impart a closing force thereon. The ring is rotatable between a locked position wherein the flanges are pressurized to an unlocked position wherein the rollers align with slots extending around the periphery of one or both of the flanges, whereby the flanges can be pulled apart.
    Type: Grant
    Filed: November 2, 1989
    Date of Patent: September 17, 1991
    Assignee: Fluor Corporation
    Inventor: Harvey A. Wallskog