Patents by Inventor Ralph A. Cantrell

Ralph A. Cantrell 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: 5336866
    Abstract: A fabric sample treatment apparatus for effecting the controlled and uniform heating of a plurality of fabric and dye liquor specimens. The treatment apparatus includes a heating chamber having a rotatable sample rack, a radiant heat source, multidirectional cooling air vents, temperature measurement devices for monitoring chamber and specimen temperature and control equipment for controlling radiant heat and cooling air based on temperature measurements.
    Type: Grant
    Filed: September 16, 1993
    Date of Patent: August 9, 1994
    Assignee: Milliken Research Corporation
    Inventors: Charles D. Winstead, Ralph A. Cantrell