Patents by Inventor Harris T. Siegel

Harris T. Siegel 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).

  • Impact target for fluid energy mills
    Patent number: 4089472
    Abstract: An impact target for a fluid energy mill comprises a plurality of impact plates arranged in series in spaced relationship alone and generally perpendicular to the axis of a discharge conduit. All but one of the plates has an open area in the central portion thereof and an impact area surrounding the open area. The size of the open area diminishes with the distance of the plate from the discharge conduit.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: May 16, 1978
    Assignee: Eastman Kodak Company
    Inventors: Harris T. Siegel, James R. Olson