Patents by Inventor Stephen E. Stout

Stephen E. Stout 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).

  • Electro-static tobacco separator
    Patent number: 4226703
    Abstract: An electro-static tobacco separator is provided in which fine tobacco particles are separated from sand particles by passing the mixture along a vibratory conveyor wherein a voltage is impressed across the conveyor and a grid disposed above the conveyor. The lighter tobacco particles are attracted by the oppositely charged grid and passed upwardly into a separate trough which is also vibrated, so that the tobacco particles and sand are separately discharged at the discharge end of the conveyor.
    Type: Grant
    Filed: August 11, 1978
    Date of Patent: October 7, 1980
    Assignee: Imperial Group Limited
    Inventor: Stephen E. Stout