Patents by Inventor Thierry Evrard

Thierry Evrard 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).

  • Device for storing electromagnetic energy in toroidal superconducting windings
    Patent number: 5130687
    Abstract: A device for storing electromagnetic energy in toroidal superconducting windings of circular right cross-section, wherein the device is constituted by a plurality of flat cylindrical coils having a plane of symmetry perpendicular to their own axes and including the axis of the torus, and which are separated by wedge-shaped spacers. The invention is applicable to distribution networks or to electrical machines.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: July 14, 1992
    Assignee: GEC Alsthom SA
    Inventors: Thierry Evrard, Thanh Tam Tran