Patents by Inventor Stephen C. Jens

Stephen C. Jens 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).

  • Tobacco particle separator
    Patent number: 4895174
    Abstract: A tobacco particles separator utilizes turbulent air flow, flow vortices, and a random spread matrix in an air circulation path to separate and singularize tobacco particles. A moving porous web is used to receive and to hold the separated particles which may be retained on the porous web for subsequent analysis.
    Type: Grant
    Filed: May 19, 1988
    Date of Patent: January 23, 1990
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Calvin W. Henderson, Stephen C. Jens, Malcolm E. Taylor