Patents by Inventor David L. Meister

David L. Meister 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).

  • Impeller and wear plate
    Patent number: 7037069
    Abstract: In one aspect, there is provided a wear plate for use in combination with a centrifugal pump and impeller. The wear plate has a wear surface defined by a substantially flat surface, a truncated conic section, and/or a curvilinear solid of revolution formed by revolving an area bounded by a curve around a center axis of the wear plate, wherein a notch or recess is provided. The notch or recess extends in a first direction perpendicular to a predetermined direction of rotation of an impeller and a second direction crossing against a direction of rotation of the impeller.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: May 2, 2006
    Assignee: The Gorman-Rupp Co.
    Inventors: Kim M. Arnold, Mark L. Kreinbihl, David L. Meister, David W. Oswalt