Patents by Inventor Dong-Yeon Won

Dong-Yeon Won 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).

  • Silver-high temperature superconductor composite material manufactured based on powder method, and manufacturing method therefor
    Patent number: 5429791
    Abstract: An article and method of manufacture of a (Bi,Pb)--Sr--Ca--Cu--O superconductor comprisingcalcinating powders of superconductor precursors of PbO, Bi.sub.2 O.sub.3, SrCO.sub.3 or SrO, CaCO.sub.3 or CaO in air to obtain a 2223 superconductor lump and second phases;crushing the lump into powder;molding the powder into a superconductor body;disposing the body within silver powder to form a composite;molding the composite;heat treating the composite to increase the bond strength of the silver powder; andworking the composite into a useable shape by rolling and drawing while applying intermediate and final heat treatments to obtain a final product.
    Type: Grant
    Filed: June 23, 1994
    Date of Patent: July 4, 1995
    Assignees: Korea Atomic Energy Research Institute, Korea Electric Power Corporation
    Inventors: Hee-Gyun Lee, Seon-Chil Kweon, Dong-Yeon Won, Gye-Won Hong