Patents by Inventor John A. Formby

John A. Formby 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: 4233499
    Abstract: A conveyor control apparatus is presented wherein a plurality of discs containing light beam coding apertures are driven in synchronism with a conveyor assembly and provide optical control means for electronic circuitry which activates a plurality of on-loading stations and off-loading stations as a function of conveyor travel.
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: November 11, 1980
    Assignee: John Formby & Company Limited
    Inventor: John A. Formby