Patents by Inventor Robert J. Jeffries

Robert J. Jeffries 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: 6663335
    Abstract: Apparatus for unloading a load from a container having a floor, includes a floor sheet placed on the floor of the container, the floor sheet having a top surface with a coefficient of static friction less than about 0.3. A pull sheet placed on the top surface of the floor sheet, the pull sheet having a bottom surface with a coefficient of static friction less than about 0.5. The pull sheet has a tensile strength sufficient to enable the pull sheet to be pulled from the container while maintaining the load on the top surface of the pull sheet to unload the load from the container.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: December 16, 2003
    Assignee: Owens Corning Fiberglas Technology, Inc.
    Inventors: Robert H. Benson, John A. Gentle, Robert J. Jeffries
  • Publication number: 20020146307
    Abstract: Apparatus for unloading a load from a container having a floor, includes a floor sheet placed on the floor of the container, the floor sheet having a top surface with a coefficient of static friction less than about 0.3. A pull sheet placed on the top surface of the floor sheet, the pull sheet having a bottom surface with a coefficient of static friction less than about 0.5. The pull sheet has a tensile strength sufficient to enable the pull sheet to be pulled from the container while maintaining the load on the top surface of the pull sheet to unload the load from the container.
    Type: Application
    Filed: April 10, 2001
    Publication date: October 10, 2002
    Inventors: Robert H. Benson, John A. Gentle, Robert J. Jeffries