Patents Represented by Attorney Tallam I. Nguti

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  • Temperature-changing pressure roller assembly and a fusing apparatus having same
    Patent number: 7512372
    Abstract: A temperature-changing pressure roller assembly is provided and includes (a) a rotatable pressure roller including a cylindrical sleeve having an outer surface, and an inner surface defining a hollow interior to the rotatable pressure roller having a first end and a second and opposite end; (b) a vortex tube assembly for simultaneously producing a hot air stream and a cold air stream, the vortex tube assembly being connected to the hollow interior of the rotatable pressure roll; and (c) control device connected to the vortex tube assembly for selectively controlling flow of the hot air stream and the cold air stream thereof through the hollow interior of the rotatable pressure roller, thereby selectively changing a temperature of the cylindrical sleeve of the pressure roller.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: March 31, 2009
    Assignee: Xerox Corporation
    Inventors: William A Burton, Paul M Fromm
  • Customer replaceable unit assembly
    Patent number: 7496314
    Abstract: A customer replaceable unit (CRU) assembly for mounting in a sheet handling machine is disclosed and includes (a) a CRU frame having a frame size for fitting into a mounting portion within the sheet handling machine; (b) a first roller assembled rotatably to the CRU frame; (c) a second roller assembled rotatably to the CRU frame and for resilient contact with the first roller to form a sheet handling nip; and (d) a spacer and anti-mounting assembly including (i) a holding feature formed in the CRU frame and (ii) a removable member mounted in the holding feature for temporarily preventing mounting of the CRU frame into the mounting portion within the sheet handling machine, and for temporarily spacing the second roller out of resilient contact with the first roller so as to prevent roller flat spots, operating roller noise, and premature roller failure.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: February 24, 2009
    Assignee: Xerox Corporation
    Inventors: John F Lombardo, Salvatore J Provvidenza
  • Ink stick for a phase change ink jet printer
    Patent number: D586386
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: February 10, 2009
    Assignee: Xerox Corporation
    Inventors: Brian Walter Aznoe, Brent Rodney Jones
  • Ink stick for a phase change ink jet printer
    Patent number: D586387
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: February 10, 2009
    Assignee: Xerox Corporation
    Inventors: Brian Walter Aznoe, Brent Rodney Jones
  • Table rows with pop up menu for a touch-based user interface for an image processing machine
    Patent number: D589522
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: March 31, 2009
    Assignee: Xerox Corporation
    Inventors: Shane Jewitt, Karen Totten, Marc J. Krolczyk
  • Multi-function office machine
    Patent number: D589550
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: March 31, 2009
    Assignee: Xerox Corporation
    Inventor: William T. Clark, III
  • Office machine
    Patent number: D592240
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: May 12, 2009
    Assignee: Xerox Corporation
    Inventors: Mark S Penke, Donald A Brown, Andrew Pat
  • Robot
    Patent number: D593165
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: May 26, 2009
    Assignee: Xerox Corporation
    Inventors: David Paul Hetrick, Mark B. Forsyth
  • Display screen with checkbox image for a touch-based user interface
    Patent number: D599377
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: September 1, 2009
    Assignee: Xerox Corporation
    Inventors: Shane Jewitt, Karen H Totten
  • Word free icon for a document finishing device of a printer
    Patent number: D606551
    Type: Grant
    Filed: April 1, 2008
    Date of Patent: December 22, 2009
    Assignee: Xerox Corporation
    Inventor: Keith L Willis
  • Solid ink stick for an ink jet printer
    Patent number: D607509
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: January 5, 2010
    Assignee: Xerox Corporation
    Inventor: Ernest I. Esplin
  • Multifunction printer
    Patent number: D609740
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: February 9, 2010
    Assignee: Xerox Corporation
    Inventor: Mark S Penke
  • Solid ink stick for an ink jet printer
    Patent number: D610608
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: February 23, 2010
    Assignee: Xerox Corporation
    Inventor: Ernest I. Esplin
  • Solid ink stick for an ink jet printer
    Patent number: D610609
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: February 23, 2010
    Assignee: Xerox Corporation
    Inventor: Ernest I. Esplin
  • Solid ink stick for an ink jet printer
    Patent number: D610610
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: February 23, 2010
    Assignee: Xerox Corporation
    Inventor: Ernest I. Esplin
  • Word free icon for a document finishing device of a printer
    Patent number: D611493
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: March 9, 2010
    Assignee: Xerox Corporation
    Inventor: Keith L Willis
  • Continuous feed printing system
    Patent number: D614233
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: April 20, 2010
    Assignee: Xerox Corporation
    Inventors: Makoto Kemmochi, Gary D Reece
  • Vertical user interface for an office machine
    Patent number: D617371
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: June 8, 2010
    Assignee: Xerox Corporation
    Inventors: Donald A. Brown, Hiroshi Nakada
  • Bottom edge for an office machine
    Patent number: D617375
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: June 8, 2010
    Assignee: Xerox Corporation
    Inventors: Donald A. Brown, John B. Gilbert, Takenouchi Masaaki, Hiroko Saito
  • Work surface for an office machine
    Patent number: D619640
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: July 13, 2010
    Assignee: Xerox Corporation
    Inventors: Mark S Penke, Donald A Brown, William T Clark, III, Hiroshi Nakada