Inventor
SHELHART TIMOTHY G
US21 patents
Patents
21 patentsUS9073374B1Jul 7, 2015
System for detecting inoperative inkjets in three-dimensional object printing using a test pattern and electrical continuity probes
XEROX CORP7 citations83
US7328895B2Feb 12, 2008
Sheet feeder vacuum feed head with variable corrugation
XEROX CORP9 citations83
US6863272B2Mar 8, 2005
Sheet feeding apparatus having an adaptive air fluffer
XEROX CORP12 citations83
US10717284B1Jul 21, 2020
System and method for attenuating the drying of ink from a printhead during periods of printer inactivity
XEROX CORP10 citations79
US7258336B2Aug 21, 2007
Integrated vacuum slide feeder
XEROX CORP8 citations73
US6994340B2Feb 7, 2006
Sheet feeding apparatus having an air fluffer
XEROX CORP7 citations73
US9067446B1Jun 30, 2015
System for detecting inoperative inkjets in three-dimensional object printing using a test pattern and an ultrasonic sensor
XEROX CORP5 citations72
US9160892B1Oct 13, 2015
Inkjet print head protection by scanning and moire analysis
XEROX CORP6 citations71
US9527320B2Dec 27, 2016
Inkjet print head protection by acoustic sensing of media
XEROX CORP2 citations60
US9206010B2Dec 8, 2015
Cycling media support for compiled sets using one motor direction
XEROX CORP2 citations60
US6822763B2Nov 23, 2004
Multiple function calibration for document scanner
XEROX CORP3 citations59
US9193171B2Nov 24, 2015
Chemically reactive test strip for detecting mis-firing print heads with clear fluids
XEROX CORP0 citations51
US9132979B1Sep 15, 2015
Shuttling nip set for media sheet inversion
XEROX CORP1 citations51
US7819397B2Oct 26, 2010
Media stack sheet fluffer method and apparatus, and a media processing device arranged with the same
XEROX CORP0 citations51
US11338570B2May 24, 2022
Sheet detection circuit using electrical elements contacting conductive vacuum belt
XEROX CORP0 citations50
US11117386B2Sep 14, 2021
Ink reservoir with pneumatically driven integrated piston and shut-off valves
XEROX CORP0 citations50
US9079732B1Jul 14, 2015
Sheet registration using orbital tampers
XEROX CORP1 citations50
US10889117B2Jan 12, 2021
System and method for attenuating the drying of ink from a printhead during periods of printer inactivity
XEROX CORP0 citations47
US10434711B2Oct 8, 2019
Bearing based leveling assembly for three-dimensional object printing
XEROX CORP0 citations39
US9981422B2May 29, 2018
Cam based leveling assembly for three-dimensional object printing
XEROX CORP0 citations39
US8919766B1Dec 30, 2014
Compiler shelf having rotatable CAM with high-friction lobe
XEROX CORP0 citations39