Patent | Date |
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Snubber circuit Grant 8,664,922 - Hirst March 4, 2 | 2014-03-04 |
Printing System With Deep Suspend Mode App 20130083338 - Fahrenkrug; Mark A. ;   et al. | 2013-04-04 |
Snubber Circuit App 20120280674 - Hirst; B. Mark | 2012-11-08 |
Snubber circuit Grant 8,253,394 - Hirst August 28, 2 | 2012-08-28 |
Peripheral device having a power supply Grant 7,541,692 - Hirst , et al. June 2, 2 | 2009-06-02 |
Characterization of a scan line produced from a facet of a scanning device Grant 7,187,398 - Carlson , et al. March 6, 2 | 2007-03-06 |
Scanning assemblies, printing devices, and related methods Grant 7,180,534 - Hirst February 20, 2 | 2007-02-20 |
Characterization of a scan line produced from a facet of a scanning device App 20050275918 - Carlson, Gerard J. ;   et al. | 2005-12-15 |
Snubber ciruit App 20050180179 - Hirst, B. Mark | 2005-08-18 |
Power converter App 20050162870 - Hirst, B. Mark | 2005-07-28 |
Scanning assemblies, printing devices, and related methods App 20050030367 - Hirst, B. Mark | 2005-02-10 |
Fusing system including an external heater Grant 6,853,831 - Hirst , et al. February 8, 2 | 2005-02-08 |
System and method for controlling power in an imaging device Grant 6,847,016 - Hirst January 25, 2 | 2005-01-25 |
System and method for controlling power in an imaging device App 20040222213 - Hirst, B. Mark | 2004-11-11 |
Peripheral device having a power supply App 20040103326 - Hirst, B. Mark ;   et al. | 2004-05-27 |
Redundant data storage in imaging devices App 20040103351 - Hirst, B. Mark | 2004-05-27 |
Fusing system having electromagnetic heating Grant 6,721,530 - Hirst , et al. April 13, 2 | 2004-04-13 |
Use of the temperature gradient to determine the source voltage Grant 6,710,309 - Hirst March 23, 2 | 2004-03-23 |
System for inductively heating a belt App 20030222079 - Lawton, Robert J. ;   et al. | 2003-12-04 |
Measurement and correction of a scan line length error Grant 6,635,864 - Hirst October 21, 2 | 2003-10-21 |
Synchronous Bridge Rectifier App 20030095423 - Hirst, B. Mark | 2003-05-22 |
Synchronous bridge rectifier Grant 6,563,726 - Hirst May 13, 2 | 2003-05-13 |
Fusing system including a heat storage mechanism Grant 6,512,913 - Hirst , et al. January 28, 2 | 2003-01-28 |
Measurement and correction of a scan line length error App 20030015654 - Hirst, B. Mark | 2003-01-23 |
Characterization of a scan line produced from a facet of a scanning device App 20030016403 - Carlson, Gerard J. ;   et al. | 2003-01-23 |
Fusing system including an external heater App 20020172536 - Hirst, B. Mark ;   et al. | 2002-11-21 |
Fusing system including a heat distribution mechanism App 20020141795 - Hirst, B. Mark ;   et al. | 2002-10-03 |
Fusing system including a heat storage mechanism App 20020141797 - Hirst, B. Mark ;   et al. | 2002-10-03 |
Fusing system having electromagnetic heating App 20020141794 - Hirst, B. Mark ;   et al. | 2002-10-03 |
Reducing a temperature differential in a fixing device Grant 6,339,211 - Foote , et al. January 15, 2 | 2002-01-15 |
Multiple frequency switching power supply and methods to operate a switching power supply Grant 6,294,904 - Hirst September 25, 2 | 2001-09-25 |
Image forming devices, image forming methods, and methods of supplying power to an image forming device Grant 6,181,895 - Hirst January 30, 2 | 2001-01-30 |
Multiple frequency switching power supply and methods to operate a switching power supply Grant 6,127,816 - Hirst October 3, 2 | 2000-10-03 |
Reduction of thermally induced mechanical stress in a fixing device Grant 6,122,478 - Hirst September 19, 2 | 2000-09-19 |
Closed loop compensation for gray scale printing devices Grant 6,014,161 - Hirst , et al. January 11, 2 | 2000-01-11 |
Image forming and office automation device consumable with memory Grant 5,930,553 - Hirst , et al. July 27, 1 | 1999-07-27 |
Universal power supply for multiple loads Grant 5,925,278 - Hirst July 20, 1 | 1999-07-20 |
Replaceable part with integral memory for usage, calibration and other data Grant 5,835,817 - Bullock , et al. November 10, 1 | 1998-11-10 |
Method for reducing flicker in electrophotographic printers and copiers Grant 5,811,764 - Hirst September 22, 1 | 1998-09-22 |
Reduced flicker fusing system for use in electrophotographic printers and copiers Grant 5,789,723 - Hirst August 4, 1 | 1998-08-04 |
Replaceable part with integral memory for usage, calibration and other data Grant 5,699,091 - Bullock , et al. December 16, 1 | 1997-12-16 |
Replacement part with integral memory for usage and calibration data Grant 5,491,540 - Hirst February 13, 1 | 1996-02-13 |