Patents by Inventor Andrew G. Wysiekierski

Andrew G. Wysiekierski 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).

  • Process for producing Sm.sub.2 Co.sub.17 alloy suitable for use as permanent magnets
    Patent number: 4746378
    Abstract: A process for producing an Sm.sub.2 Co.sub.17 alloy suitable for use as a permanent magnet, the alloy also containing iron, copper and zirconium or a similar group IVB or VB transition metal, and optionally praseodymium in partial replacement of the samarium.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: May 24, 1988
    Assignee: Sherritt Gordon Mines Limited
    Inventors: Andrew G. Wysiekierski, Robert W. Fraser, Maurice A. Clegg