Patents by Inventor Paul D. Dulieu

Paul D. Dulieu 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: 6254768
    Abstract: A water filtering carafe comprising a raw water reservoir, a filtered water reservoir, and a gravity-flow cyst reduction water filter cartridge for filtering raw water passing from the raw into the filtered water reservoir, the carafe including a mounting receptacle for the filter cartridge which forms a cyst-blocking water seal as the filter is mounted therein, such that the combination of the water seal and water filter cartridge provides at least a 99.95% reduction in particles of 3-4 microns diameter in a charge of raw water passing from the raw water reservoir into the filtered water reservoir.
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: July 3, 2001
    Assignee: Corning Incorporated
    Inventors: Paul D. Dulieu, Mark C. Steiner