Patents by Inventor Richard Francois-Noel

Richard Francois-Noel 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: 4687186
    Abstract: The present invention relates to a device for gripping a wearing element of a sliding closure means for metallurgical containers in which the wearing elements are held with gripping in a metal frame by means of rotating members which simultaneously allow the plate to be locked against the frame, the plate to be gripped against the base of the frame and the lateral clearances of the plate in the frame to be absorbed. The gripping devices described are very simple and very robust in design. They contain no screw-threaded parts.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: August 18, 1987
    Assignee: Vesuvius International Corporation
    Inventor: Richard Francois-Noel