Patents by Inventor George D. DelVecchio

George D. DelVecchio 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: 3978379
    Abstract: An improved corona generating device for an electrostatic reproduction machine having a photoreceptor has a discharge electrode, a conductive shield partially surrounding the electrode, and a cleaning member in contact with and mounted for movement along both the electrode and shield. The improvement lies (1) in the mechanism for moving the cleaning member along the device, this mechanism including a dielectric member located between the electrode and shield so as to increase the corona to the photoreceptor, and (2) in the cleaning member, this member including material impregnated with an abrasive.
    Type: Grant
    Filed: November 20, 1974
    Date of Patent: August 31, 1976
    Assignee: Xerox Corporation
    Inventor: George D. DelVecchio