Patents by Inventor R. E. Schoonover

R. E. Schoonover 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).

  • Cover lifting device
    Patent number: 5139619
    Abstract: An apparatus and method for raising, moving and lowering a massive coker chute cover are provided. One embodiment of the invention comprises engaging the cover with a lift plate, raising the lift plate, and, moving the lift plate, the course of the movement being in the arc of a circle, lowering the lift plate, and releasing the cover from the plate.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: August 18, 1992
    Assignee: Atlantic Richfield Company
    Inventor: R. E. Schoonover