Patents by Inventor Gerard Blot

Gerard Blot 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).

  • Bearing ring for fixing a mounting block on the progressively variable curved finished face of a semi-finished lens or mold blank
    Patent number: 4714232
    Abstract: This bearing ring is of the kind comprising, for contact with the semi-finished blank to be processed, a limited number of bearing areas appropriately distributed circumferentially around the axis of the assembly. The planes tangential to the ends of each of the bearing areas form between them a dihedron, the bearing surface that a bearing area of this kind provides being in practice generally convex.
    Type: Grant
    Filed: January 23, 1986
    Date of Patent: December 22, 1987
    Assignee: Essilor International Cie Generale d'Optique
    Inventor: Gerard Blot