Inventor
PIETROWSKI KENNETH W
US18 patents
⚠️ This page may combine multiple inventors who share the name “PIETROWSKI KENNETH W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
17 patentsUS5016055AMay 14, 1991
Method and apparatus for using vibratory energy with application of transfer field for enhanced transfer in electrophotographic imaging
XEROX CORP44 citations92
US5600430AFeb 4, 1997
Split recharge method and apparatus for color image formation
XEROX CORP32 citations91
US5897248AApr 27, 1999
Conformable bias transfer member having conductive filler materials
XEROX CORP10 citations74
US6047155AApr 4, 2000
Color printing machine having AC pretransfer toner treatment
XEROX CORP8 citations73
US5420677AMay 30, 1995
Method and apparatus for extending material life in a bias transfer roll
XEROX CORP7 citations73
US4533230AAug 6, 1985
Pin charging device for use in xerography
XEROX CORP14 citations73
US5613172AMar 18, 1997
Hybrid DC recharge method and apparatus for split recharge imaging
XEROX CORP9 citations72
US5365317ANov 15, 1994
Charging system for eliminating edgebanding in an electrostatographic printing process
XEROX CORP7 citations72
US5351113ASep 27, 1994
Pre-pretransfer treatment to increase transfer latitude in tri-level xerography
XEROX CORP11 citations72
US5581330ADec 3, 1996
Method and apparatus for reducing residual toner voltage
XEROX CORP14 citations71
US7430388B2Sep 30, 2008
Pin array scorotron charging system for small diameter printer photoreceptors
XEROX CORP2 citations63
US5778288AJul 7, 1998
Erase before A.C. recharge in color electrographic printing
XEROX CORP3 citations62
US6308032B1Oct 23, 2001
Rotatable charging apparatus, and printing machine including the same
XEROX CORP3 citations61
US6097915AAug 1, 2000
AC scorotron
XEROX CORP4 citations60
US6034368AMar 7, 2000
AC corona current regulation
XEROX CORP3 citations60
US7110701B2Sep 19, 2006
Xerographic charging device having two pin arrays
XEROX CORP5 citations59
US6444960B1Sep 3, 2002
Heading element for charging devices
XEROX CORP4 citations54