Inventor
WAYMAN WILLIAM H
US90 patents
Patents
50 patentsUS4868600ASep 19, 1989
Scavengeless development apparatus for use in highlight color imaging
XEROX CORP177 citations99
US5300339AApr 5, 1994
Development system coatings
XEROX CORP61 citations96
US9114652B1Aug 25, 2015
System for detecting inoperative inkjets in printheads ejecting clear ink using heated thermal substrates
XEROX CORP40 citations94
US5172170ADec 15, 1992
Electroded donor roll for a scavengeless developer unit
XEROX CORP73 citations94
US5448342ASep 5, 1995
Development system coatings
XEROX CORP29 citations93
US5289240AFeb 22, 1994
Scavengeless developer unit with electroded donor roll
XEROX CORP28 citations93
US5031570AJul 16, 1991
Printing apparatus and toner/developer delivery system therefor
XEROX CORP33 citations93
US4545669AOct 8, 1985
Low voltage electrophotography with simultaneous photoreceptor charging, exposure and development
XEROX CORP36 citations93
US4505573AMar 19, 1985
Toner charging apparatus containing wear resistant coatings
XEROX CORP55 citations93
US4459009AJul 10, 1984
Apparatus, process for charging toner particles
XEROX CORP34 citations93
US6340528B1Jan 22, 2002
Crosslinkable polymer compositions for donor roll coatings
XEROX CORP44 citations92
US5887235AMar 23, 1999
Variable gloss fuser
XEROX CORP41 citations92
US5708950AJan 13, 1998
Transfuser
XEROX CORP22 citations92
US5450182ASep 12, 1995
Apparatus and method for fusing toner images on transparent substrates
XEROX CORP25 citations92
US5436712AJul 25, 1995
Power control for instant-on-integral resistive heating belt fuser
XEROX CORP31 citations92
US5245392ASep 14, 1993
Donor roll for scavengeless development in a xerographic apparatus
XEROX CORP37 citations92
US5386277AJan 31, 1995
Developing apparatus including a coated developer roller
XEROX CORP27 citations91
US4766457AAug 23, 1988
Particulate material dispenser
XEROX CORP51 citations91
US7813678B2Oct 12, 2010
Toner image reproduction machine including a ball valve device having a pressure release assembly
XEROX CORP9 citations84
US6101357AAug 8, 2000
Hybrid scavengeless development using a method for preventing power supply induced banding
XEROX CORP17 citations84
US6049686AApr 11, 2000
Hybrid scavengeless development using an apparatus and a method for preventing wire contamination
XEROX CORP18 citations84
US7362996B2Apr 22, 2008
Cleaning and spots blade lubricating method and apparatus
XEROX CORP16 citations83
US4764841AAug 16, 1988
Toner charging apparatus with coated toner transport members
XEROX CORP19 citations82
US6498913B1Dec 24, 2002
Static charge controlling system and a reproduction machine having same
XEROX CORP18 citations81
US6711363B1Mar 23, 2004
Method of determining a charging device pre-fault status, a printing machine arranged with the same method, a method of forming a charging device service message and a method of triggering a cleaning cycle
XEROX CORP7 citations74
US5995780ANov 30, 1999
Electrostatic filtering system for removing toner from a development housing
XEROX CORP8 citations74
US5978641ANov 2, 1999
Coaxial integral heating fusing belt
XEROX CORP11 citations74
US5920750AJul 6, 1999
Connection between a compact electrical circuit and a segmented electrode development roll
XEROX CORP11 citations74
US5864734AJan 26, 1999
Development system producing reduced airborne toner contamination
XEROX CORP9 citations74
US5742885AApr 21, 1998
Development system employing acoustic toner fluidization for donor roll
XEROX CORP10 citations74
US5652648AJul 29, 1997
Negative wrap back up roll adjacent the transfer nip
XEROX CORP8 citations74
US5483331AJan 9, 1996
Textured contact rollers and the method of using them for improving electrical contact with a fuser belt fusing
XEROX CORP17 citations74
US5418105AMay 23, 1995
Simultaneous transfer and fusing of toner images
XEROX CORP13 citations74
US5410394AApr 25, 1995
Three roller design eliminates free span belt heating of integral heating fusing belt
XEROX CORP13 citations74
US5300992AApr 5, 1994
Mounting taut wires in gentle, self-spaced contact with a roll
XEROX CORP11 citations74
US5128723AJul 7, 1992
Scavengeless development system having toner deposited on a doner roller from a toner mover
XEROX CORP12 citations74
US4972230ANov 20, 1990
Toner usage detector based on current biasing mixing means
XEROX CORP11 citations74
US4618241AOct 21, 1986
Apparatus, process for charging toner particles
XEROX CORP11 citations74
US6580882B2Jun 17, 2003
Low cost trim-gap-conductivity TC sensor
XEROX CORP9 citations73
US6456812B1Sep 24, 2002
Coating compositions for development electrodes
XEROX CORP8 citations73
US6289196B1Sep 11, 2001
Oxidized transport donor roll coatings
XEROX CORP7 citations73
US5822652AOct 13, 1998
Compact design for combination of an electrical circuit with a segmented electrode development roll
XEROX CORP13 citations73
USRE35698EDec 23, 1997
Donor roll for scavengeless development in a xerographic apparatus
XEROX CORP7 citations73
US6668146B2Dec 23, 2003
Hybrid scavengeless development using direct current voltage shift to remove wire history
XEROX CORP7 citations70
US4777904AOct 18, 1988
Touchdown development apparatus
XEROX CORP15 citations70
US7974557B2Jul 5, 2011
Carrier replenishment and image mottle reduction system
XEROX CORP4 citations63
US7855565B2Dec 21, 2010
Substrate characterization device and method for characterizing a substrate
XEROX CORP3 citations63
US7171136B2Jan 30, 2007
Power supply for hybrid scavengeless development type image forming system
XEROX CORP3 citations63
US6759125B1Jul 6, 2004
Development system coatings
XEROX CORP2 citations63
US6148157ANov 14, 2000
Hybrid scavengeless development using a failure mode detection system
XEROX CORP2 citations63
Showing the top 50 of 90 patents by PatentIndex Score.