Patents by Inventor Robert Walter Ward

Robert Walter Ward 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).

  • Grain oriented composite soft magnetic structure
    Patent number: 5898253
    Abstract: A soft magnetic structure substantially comprised of a plurality of magnetic field carrying particles molded and retained in a predetermined shape, bonded in that shape by an insulating binding agent, wherein said particles have grain alignment substantially parallel to a preferred direction, and wherein said preferred direction is parallel to a direct axis providing the structure with a high direct axis to quadrature axis reactance ratio.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: April 27, 1999
    Assignee: General Motors Corporation
    Inventors: Ahmed Mostafa El-Antably, Robert Walter Ward
  • Grain oriented composite soft magnetic structure
    Patent number: 5693250
    Abstract: A soft magnetic structure substantially comprised of a plurality of magnetic field carrying particles molded and retained in a predetermined shape, bonded in that shape by an insulating binding agent, wherein said particles have grain alignment substantially parallel to a preferred direction, and wherein said preferred direction is parallel to a direct axis providing the structure with a high direct axis to quadrature axis reactance ratio.
    Type: Grant
    Filed: November 18, 1993
    Date of Patent: December 2, 1997
    Assignee: General Motors Corporation
    Inventors: Ahmed Mostafa El-Antably, Robert Walter Ward