Patents by Inventor Ann Marie Garland

Ann Marie Garland 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).

  • Publication number: 20010048829
    Abstract: A back-up roller for use in the fusing portion of an electrophotographic process is disclosed. This back-up roller comprises an inner cylindrical metal core, an outer hollow cylindrical metal shell surrounding the core, and a plurality of metal ribs running lengthwise between and attached to the core and the shell. The outer surface of the shell is coated with a layer of a rubberized material. This back-up roller, when used in the fuser portion of an electrophotographic process, reducing the condensation of moisture on its surface, thereby effectively eliminating fuser stalls.
    Type: Application
    Filed: January 26, 2000
    Publication date: December 6, 2001
    Inventors: Douglas Campbell Hamilton, Ann Marie Garland
  • Patent number: 6327455
    Abstract: A back-up roller (51) for use in the fusing portion of an electrophotographic process is disclosed. This back-up roller has an inner cylindrical metal core (71), an outer hollow cylindrical metal shell (72) surrounding the core, and a plurality of metal ribs (73) running lengthwise between and attached to the core and the shell. The outer surface of the shell is coated with a layer (74) of a rubberized material. This back-up roller, when used in the fuser portion of an electrophotographic process, reducing the condensation of moisture on its surface, thereby effectively eliminating fuser stalls.
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: December 4, 2001
    Assignee: Lexmark International, Inc.
    Inventors: Douglas Campbell Hamilton, Ann Marie Garland
  • Patent number: 6219521
    Abstract: An image-fixing device for use in an electrophotographic process which includes a wiping member (61,62,64,67) in contact with the back-up roller of the fusing portion of the device is disclosed. This wiping member eliminates moisture condensation on the back-up roller (51). This acts to eliminate stalls and paper jams without requiring major reformulation of the compositions of the fuser belt or back-up roll or the structure of the printer.
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: April 17, 2001
    Assignee: Lexmark International, Inc.
    Inventors: Robert Leonard Burdick, Ann Marie Garland, Peter Alden Bayerle, Harald Portig, Douglas Campbell Hamilton