Patents by Inventor Donald K. Breedon

Donald K. Breedon 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: 5951827
    Abstract: The provision of a fractionating column having fractionating trays designed to ensure that downflowing liquid exiting downcomers does not interfere with vapor passing up through perforations in the trays, ensures that weeping of the liquid through the perforations is avoided without need for an increase in vapor pressure.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: September 14, 1999
    Assignee: Norton Chemical Process Products Corporation
    Inventor: Donald K. Breedon