Patents by Inventor Dewey H. Haumann, Jr.

Dewey H. Haumann, Jr. 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).

  • Roll fuser cleaning system
    Patent number: 4101267
    Abstract: Fuser apparatus for utilization in a xerographic reproducing apparatus for fixing toner images adhered to substrates wherein the fuser apparatus comprises a heated fuser roll and a backup roll cooperating therewith to form a nip through which the substrates pass with the toner images contacting the heated fuser roll. A non-contact silicone oil applicator is provided together with a metering blade for applying a uniformly thick coating on the surface of the fuser roll which coating serves to minimize effect of toner.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: July 18, 1978
    Assignee: Xerox Corporation
    Inventors: Karl J. Mueller, Dewey H. Haumann, Jr., Alvin D. Kromm, Jr.