Patents by Inventor Karlene R. Thomas

Karlene R. Thomas 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).

  • Removable process unit with waste toner storage
    Patent number: 5341200
    Abstract: A removable process unit for an electrostatographic printing machine has a photoreceptor, a frame having a longitudinal axis to movably mount the photoreceptor therein parallel to the longitudinal axis, a cleaning sump extending parallel to the longitudinal axis and adjacent the photoreceptor, a toner transport to transport toner cleaned from the photoreceptor toward one end of the sump, the toner sump having an aperture at one end, a cover for the frame at the one end thereof, the cover including a cavity with an aperture in communication with the aperture in the sump for storage of cleaned toner.
    Type: Grant
    Filed: December 28, 1992
    Date of Patent: August 23, 1994
    Assignee: Xerox Corporation
    Inventor: Karlene R. Thomas