Patents by Inventor Clifton T. Hartford

Clifton T. Hartford 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: 6449456
    Abstract: A method and a system for providing more uniform fuser oil distribution on a fuser surface by positioning a fuser oil redistribution roller in interactive contact with the fuser surface to absorb and redistribute fuser oil from areas of high oil concentration on the fuser surface.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: September 10, 2002
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: David F. Cahill, Clifton T. Hartford
  • Patent number: 5819137
    Abstract: An integrated environmental management system for reproduction apparatus including a reprographic marking engine for reproducing information supplied thereto and accessories for facilitating the handling of reproduction output from the marking engine. The integrated environmental management system includes a housing associated with the reprographic marking engine. The housing defines a chamber having, in communication, a rear wall substantially parallel to the rear of the reprographic marking engine, first and second side walls, and top and bottom walls. An inlet plenum in the housing chamber communicates, for example, with an opening in the first side wall of the housing. The inlet plenum includes an inlet filter for preventing contaminants in ambient air from entering the inlet plenum, a first inlet duct directed into the general interior of the reprographic marking engine, and a plurality of inlet ducts directed respectively to specific systems within the reprographic marking engine.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: October 6, 1998
    Assignee: Eastman Kodak Company
    Inventors: Gary P. Hoffman, John F. Quester, Clifton T. Hartford, David R. Heberle, Kurt E. Jones, David E. Hockey, Philip A. Stern