Patents by Inventor Rodney G. Dunn

Rodney G. Dunn 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).

  • Patent number: 5811048
    Abstract: A method and apparatus for homogenizing a flow stream of plasticized material supplied from an extruder, to reduce viscosity gradients causing defects in extruded products, wherein a flow inverting homogenizer positioned in the flow stream and incorporating a plurality of criss-crossing channels for simultaneously transferring portions of the flow stream from central to peripheral flow stream locations and other portions of the flow stream from peripheral to central flow stream locations.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: September 22, 1998
    Assignee: Corning Incorporated
    Inventors: Rodney G. Dunn, David R. Treacy, Jr., Michael E. Zak