Patents by Inventor John E. Bennie

John E. Bennie 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: 4785976
    Abstract: An improved dispenser for granular materials is disclosed, comprising upper and lower fixed plates and a rotating intermediate plate. The upper and lower plates have orifices formed in them which are out of register with one another. The relative extent of these orifices is chosen in accordance with the material to be dispensed such that the material only flows through the plates when the intermediate plate is rotating.
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: November 22, 1988
    Inventors: John E. Bennie, Kevin N. A. Cockburn