Inventor
HART STEVEN C
US39 patents
⚠️ This page may combine multiple inventors who share the name “HART STEVEN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
34 patentsUS4614165ASep 30, 1986
Extended life development system
XEROX CORP69 citations96
US5394223AFeb 28, 1995
Apparatus for image registration
XEROX CORP47 citations93
US7504951B2Mar 17, 2009
Interface antenna
XEROX CORP22 citations92
US6340528B1Jan 22, 2002
Crosslinkable polymer compositions for donor roll coatings
XEROX CORP44 citations92
US5710960AJan 20, 1998
Point of use toner filtration
XEROX CORP20 citations92
US5600411AFeb 4, 1997
Multi layer toner filtration trap
XEROX CORP19 citations92
US5291245AMar 1, 1994
Photoreceptor belt seam detection and process control
XEROX CORP33 citations92
US5510881AApr 23, 1996
Positive push development auger
XEROX CORP26 citations91
US5450169ASep 12, 1995
Multi-lobe magnetic seals
XEROX CORP29 citations91
US6451221B1Sep 17, 2002
Extrudable magnet compound with improved flow properties
XEROX CORP19 citations90
US7313348B2Dec 25, 2007
Xerographic developer unit having variable pitch auger
XEROX CORP12 citations84
US5600418AFeb 4, 1997
Donor rolls with exterior commutation
XEROX CORP19 citations83
US7333753B2Feb 19, 2008
Developer housing design with improved sump mass variation latitude
XEROX CORP7 citations74
US7305206B2Dec 4, 2007
Xerographic developer unit having variable pitch auger
XEROX CORP8 citations74
US7020427B2Mar 28, 2006
Carrier pickoff system suitable for customer-replaceable xerographic printer cartridges
XEROX CORP6 citations74
US6094547AJul 25, 2000
Process controlled carrier dispensing
XEROX CORP11 citations74
US5722018AFeb 24, 1998
Vibration reducing mounting system for toner filters
XEROX CORP14 citations74
US5600416AFeb 4, 1997
Electrode wire tensioning for scavengeless development
XEROX CORP8 citations74
US5570169AOct 29, 1996
Donor rolls with modular commutation
XEROX CORP8 citations74
US5555184ASep 10, 1996
Developer roller assembly and method for making same
XEROX CORP10 citations74
US6289196B1Sep 11, 2001
Oxidized transport donor roll coatings
XEROX CORP7 citations73
US5742884AApr 21, 1998
Hybrid scavengeless development using a rigid porous planar electrode member
XEROX CORP12 citations73
US5666619ASep 9, 1997
Electrode wire support for scavengeless development
XEROX CORP15 citations73
US5502549AMar 26, 1996
Electrically biased toner filtration
XEROX CORP11 citations72
US5442423AAug 15, 1995
External development housing bearings
XEROX CORP9 citations71
US5552864ASep 3, 1996
Magnetic seal with tapered shunts
XEROX CORP14 citations69
US5937252AAug 10, 1999
Trickle port between two augers in a developer housing
XEROX CORP10 citations68
US5606722AFeb 25, 1997
Internal electrical contact for magnetic development rolls
XEROX CORP5 citations63
US5589917ADec 31, 1996
Donor rolls with magnetically coupled (Transformer) commutation
XEROX CORP2 citations63
US5640657AJun 17, 1997
Electrode wire twisted loop mounting for scavengeless development
XEROX CORP3 citations61
US7769323B2Aug 3, 2010
Acoustic dampening material for imaging drum
XEROX CORP2 citations59
US5745827AApr 28, 1998
Bundled steel wire SED communicator secondary cores
XEROX CORP0 citations52
US5572302ANov 5, 1996
Electrode wire positioning for scavengeless development
XEROX CORP1 citations52
US7366453B2Apr 29, 2008
Xerographic developer unit having multiple magnetic brush rolls rotating against the photoreceptor
XEROX CORP0 citations39