Patents by Inventor Zenas Allen Stanfield

Zenas Allen Stanfield 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: 4064638
    Abstract: An apparatus for drying seed corn on the ear or shelled seed corn or other seed. A cylindrical housing has a roof thereon with an aperture at the center of said roof and closable openings therein, one of which is a discharge opening in the side of said housing. A downwardly directed conical wall fills the entire internal cross-section of the housing and has a plurality of perforations distributed evenly therein and an opening at the bottom thereof. An open sided pan is positioned beneath the bottom opening of the conical wall and is inclined toward the open side, and a vibrator is operatively associated with the pan for vibrating it. A discharge conveyor has one end beneath the open side of the pan and the other end at the discharge opening.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: December 27, 1977
    Assignee: Ciba-Geigy AG
    Inventor: Zenas Allen Stanfield