Patents by Inventor Richard C. Vock

Richard C. Vock 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).

  • Closed loop particle dispenser
    Patent number: 4163614
    Abstract: An apparatus in which toner particles are discharged into a developer material. A helical auger moves the toner particles through a tube having substantially equally spaced apertures therein. The toner particles are dispensed from the tube with the nondispensed toner particles being returned to the toner particle supply hopper.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: August 7, 1979
    Assignee: Xerox Corporation
    Inventor: Richard C. Vock