Patents by Inventor William A. Fietz

William A. Fietz 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).

  • Method of making Nb.sub.3 Sn composite wires and cables
    Patent number: 4053976
    Abstract: By providing a nickel or copper overcoat to a tin coating on a niobium-copper multifilamentary composite wire, one can avoid the necessity for choosing between poor superconducting properties due to tin droplet formation and substantially increasing production costs by adding a number of special processing steps.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: October 18, 1977
    Assignee: General Electric Company
    Inventors: Ronald M. Scanlan, William A. Fietz