Patents by Inventor Kenneth J. Weaver

Kenneth J. Weaver 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).

  • System for cleaning the developer unit in an electronic reprographic printing system
    Patent number: 5243388
    Abstract: A method and apparatus for cleaning and replenishing the developer unit of an electronic reprographic printing system. The developer units are mounted in a retractable drawer within the machine. A cover is placed over the developer unit, which is provided with an air inlet and an air outlet. A vacuum machine is connected to the air outlet to create a wind flow within the developer unit for cleaning the unit. A tool is provided for turning the auger within the developer unit when it is being cleaned, and to similarly assist in the subsequent recharging of the developer unit with developer.
    Type: Grant
    Filed: September 5, 1991
    Date of Patent: September 7, 1993
    Assignee: Xerox Corporation
    Inventors: Robert A. Berns, Frank R. Walsh, Kenneth J. Weaver, Michael E. Minadeo