Patents by Inventor Earl George Brewer

Earl George Brewer 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).

  • Magnetostrictive composites
    Patent number: 5993565
    Abstract: Composite bodies of magnetostrictive materials of the type RE-Fe.sub.2, where RE is one or more of the rare earth elements, preferably samarium or terbium, can be suitably hot pressed with a matrix metal selected from the group consisting of aluminum, copper, iron, magnesium or nickel to form durable and machinable magnetostrictive composites still displaying appreciable magnetostrictive strains.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: November 30, 1999
    Assignee: General Motors Corporation
    Inventors: Frederick Eugene Pinkerton, Jan Francis Herbst, Tenneille Weston Capehart, Charles Bernard Murphy, Earl George Brewer
  • Magnetostrictive composites
    Patent number: 5985049
    Abstract: Composite bodies of magnetostrictive materials of the type RE-Fe.sub.2, where RE is one or more of the rare earth elements, preferably samarium or terbium, can be suitably hot pressed with a matrix metal selected from the group consisting of aluminum, copper, iron, magnesium or nickel to form durable and machinable magnetostrictive composites still displaying appreciable magnetostrictive strains.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: November 16, 1999
    Assignee: General Motors Corporation
    Inventors: Frederick Eugene Pinkerton, Jan Francis Herbst, Tenneille Weston Capehart, Charles Bernard Murphy, Earl George Brewer