Patents by Inventor Richard S. James

Richard S. James 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 for filtering liquid-phase metals
    Patent number: 4990059
    Abstract: A method and apparatus is provided for filtering liquid-phase metal. The method comprises the steps of: (1) establishing a bath of liquid-phase metal; (2) providing a conduit connecting the bath to a filtering means; and (3) producing a magnetic field within the conduit to produce axial flow of the liquid-phase metal within the conduit to transfer at least a portion of the liquid-phase metal to the filtering means and cause at least a portion of the liquid-phase metal to flow through the filtering means.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: February 5, 1991
    Assignee: Aluminum Company of America
    Inventor: Richard S. James