Inventor
DOWNING STEVEN P
US19 patents
⚠️ This page may combine multiple inventors who share the name “DOWNING STEVEN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
9 patentsUS6698878B1Mar 2, 2004
Cleaning medium for ink-jet hard copy apparatus
HEWLETT PACKARD DEVELOPMENT CO38 citations91
US6682190B2Jan 27, 2004
Controlling media curl in print-zone
HEWLETT PACKARD DEVELOPMENT CO43 citations91
US6607458B2Aug 19, 2003
Techniques for robust endless belt tracking control
HEWLETT PACKARD DEVELOPMENT CO20 citations88
US6808259B2Oct 26, 2004
Controlling media curl in print-zone
HEWLETT PACKARD DEVELOPMENT CO13 citations82
US7050193B1May 23, 2006
High accuracy swath advance paper positioning for printers
HEWLETT PACKARD DEVELOPMENT CO7 citations73
US8894180B2Nov 25, 2014
Guide for a wiping assembly
HEWLETT PACKARD DEVELOPMENT CO4 citations69
US7101033B2Sep 5, 2006
Cleaning medium for ink-jet hard copy apparatus
HEWLETT PACKARD DEVELOPMENT CO4 citations61
US7753595B2Jul 13, 2010
Printer drum bearing mount
HEWLETT PACKARD DEVELOPMENT CO1 citations51
US10507979B2Dec 17, 2019
Object transportation with V-shaped attachment devices
HEWLETT PACKARD DEVELOPMENT CO0 citations46
HEWLETT PACKARD CO
8 patentsUS6158344ADec 12, 2000
Linefeed calibration using an integrated optical sensor
HEWLETT PACKARD CO70 citations96
US6209867B1Apr 3, 2001
Sliding valve vacuum holddown
HEWLETT PACKARD CO52 citations95
US6454259B1Sep 24, 2002
Sliding valve vacuum holddown method and apparatus
HEWLETT PACKARD CO15 citations92
US6407678B1Jun 18, 2002
Belt media drive for printer with dual belt encoders
HEWLETT PACKARD CO30 citations92
US6340155B1Jan 22, 2002
Sliding valve vacuum holddown method apparatus
HEWLETT PACKARD CO15 citations92
US6079888AJun 27, 2000
Wet colorant hard copy apparatus media handling to reduce cockle
HEWLETT PACKARD CO7 citations69
US6113509ASep 5, 2000
Differential planetary belt drive system
HEWLETT PACKARD CO3 citations62
US6210055B1Apr 3, 2001
Method and apparatus for cockle reduction in print media
HEWLETT PACKARD CO4 citations58