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Douglas Campbell Hamilton

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  • Lexington, KY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuser temperature control in an imaging device
    • Patent number 10,606,196
    • Issue date Mar 31, 2020
    • Lexmark International, Inc.
    • Jichang Cao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fuser temperature control in an imaging device
    • Patent number 10,452,010
    • Issue date Oct 22, 2019
    • Lexmark International, Inc.
    • Jichang Cao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fuser heating element for an electrophotographic imaging device
    • Patent number 9,417,572
    • Issue date Aug 16, 2016
    • Lexmark International, Inc.
    • Douglas Campbell Hamilton
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Backup roll having axial constraints and fuser therefor
    • Patent number 9,261,833
    • Issue date Feb 16, 2016
    • Lexmark International, Inc.
    • Douglas Campbell Hamilton
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Narrow media throughput control using temperature feedback
    • Patent number 9,098,031
    • Issue date Aug 4, 2015
    • Lexmark International, Inc.
    • Jichang Cao
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Thermally conditioned image forming apparatus
    • Patent number 7,822,352
    • Issue date Oct 26, 2010
    • Lexmark International, Inc.
    • Larry Christopher Coleman
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fuser assembly having selectable fuser detack mechanism
    • Patent number 7,756,457
    • Issue date Jul 13, 2010
    • Lexmark International, Inc.
    • Douglas Campbell Hamilton
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for forming a ceramic laminate
    • Patent number 7,698,812
    • Issue date Apr 20, 2010
    • Lexmark International, Inc.
    • Douglas Campbell Hamilton
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Fuser assembly having complaint stopping flange
    • Patent number 7,693,473
    • Issue date Apr 6, 2010
    • Lexmark International, Inc.
    • Jeffrey Allen Ardery
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fuser assembly having compliant end cap
    • Patent number 7,627,279
    • Issue date Dec 1, 2009
    • Lexmark International, Inc.
    • Jeffrey Allen Ardery
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Imaging device temperature management
    • Patent number 7,560,665
    • Issue date Jul 14, 2009
    • Lexmark International, Inc.
    • Douglas Campbell Hamilton
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method and apparatus for controlling temperature of a laser printer...
    • Patent number 7,224,918
    • Issue date May 29, 2007
    • Lexmark International, Inc.
    • Brian Keith Bartley
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Large area alumina ceramic heater
    • Patent number 7,005,611
    • Issue date Feb 28, 2006
    • Lexmark International, Inc.
    • Douglas Campbell Hamilton
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Large area alumina ceramic heater
    • Patent number 6,960,741
    • Issue date Nov 1, 2005
    • Lexmark International, Inc.
    • Douglas Campbell Hamilton
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Back-up roller with reduced mass
    • Patent number 6,327,455
    • Issue date Dec 4, 2001
    • Lexmark International, Inc.
    • Douglas Campbell Hamilton
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Printer for narrow media
    • Patent number 6,304,731
    • Issue date Oct 16, 2001
    • Lexmark International, Inc.
    • Douglas Anthony Able
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Belt fuser wiper to remove moisture
    • Patent number 6,219,521
    • Issue date Apr 17, 2001
    • Lexmark International, Inc.
    • Robert Leonard Burdick
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Control of thermal heating in a belt fuser
    • Patent number 6,185,389
    • Issue date Feb 6, 2001
    • Lexmark International, Inc.
    • Brian Keith Bartley
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Heater for use in electrophotographic image fixing device
    • Patent number 6,090,305
    • Issue date Jul 18, 2000
    • Lexmark International, Inc.
    • Stacey Edward Balch
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Release agent for electrophotographic process
    • Patent number 6,084,049
    • Issue date Jul 4, 2000
    • Lexmark International, Inc.
    • Bradley L. Beach
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Release agent for electrophotographic process
    • Patent number 5,959,056
    • Issue date Sep 28, 1999
    • Lexmark International, Inc.
    • Bradley L. Beach
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fuser overheat control
    • Patent number 5,325,166
    • Issue date Jun 28, 1994
    • Lexmark International, Inc.
    • Douglas C. Hamilton
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Fuser low power control
    • Patent number 5,191,375
    • Issue date Mar 2, 1993
    • Lexmark International, Inc.
    • Douglas C. Hamilton
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents