Patents by Inventor Roger C. Felkins

Roger C. Felkins 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: 6253923
    Abstract: An apparatus including ductwork with an inlet duct having an inlet port for receiving a cotton/trash mix discharged by a cotton gin, a lint cotton outlet duct having a lint cotton outlet port for allowing lint cotton to exit therethrough, and a trash outlet port intermediate the inlet port of the inlet duct and the lint cotton outlet port of the lint cotton outlet duct for allowing trash to exit therethrough; the inlet duct having an interior passageway, at least a portion of the interior passageway of the inlet duct having a contour with a variable cross-sectional area; the lint cotton outlet duct having an interior passageway, at least a portion of the interior passageway of the lint cotton outlet duct having a contour with a variable cross-sectional area.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: July 3, 2001
    Inventor: Roger C. Felkins