Inventor · disambiguated record
Patrick S. Dougherty
Also filed as: DOUGHERTY PATRICK · DOUGHERTY PATRICK S
19 granted patents·1 pending application·207 citations·filing 1990–2013
95Inventor score
Top patents by PatentIndex Score
20 records- 0190US8152192B2All terrain adapter for a wheelchairDOUGHERTY PATRICK S·Filed 2010·Granted Apr 10, 2012·30 cites·16 claims
- 0289US7221888B2Printing device cartridge having position in which rollers are separated from photoconductorHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted May 22, 2007·17 cites·25 claims
- 0384US7735847B2All terrain adapter for a wheelchairDOUGHERTY PATRICK S·Filed 2007·Granted Jun 15, 2010·29 cites·18 claims
- 0480US6681089B2System for and method of removing or preventing electrostatic charges from an organic photoconductor during transitHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jan 20, 2004·16 cites·9 claims
- 0577US6654576B2System for and method of reducing toner seal leakage by the introduction of a step groove in the developer rollerHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Nov 25, 2003·21 cites·20 claims
- 0675US6621996B1Magnetic toner use in a non-contact cleanerless systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Sep 16, 2003·21 cites·20 claims
- 0774US6690900B2Method of and system for the reduction of toner pressure applied to a print seal through the implementation of a tapering channelHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Feb 10, 2004·14 cites·19 claims
- 0868US9241852B2All terrain adapter for folding wheelchairDOUGHERTY PATRICK S·Filed 2013·Granted Jan 26, 2016·6 cites·20 claims
- 0961US7099598B2Method and apparatus for modifying a printing process in response to environmental conditions received via networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 29, 2006·6 cites·15 claims
- 1057US7245389B2Burst mode for printing devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jul 17, 2007·7 cites·29 claims
- 1157US6859632B2System for and method of removing or preventing electrostatic charges from an organic photoconductor during transitHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Feb 22, 2005·5 cites·24 claims
- 1257US6778801B1Image-forming device and method with adjustable toner chamber cavityHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 17, 2004·6 cites·65 claims
- 1354US6697585B2System for and method of reducing or eliminating leakage with a vibrating sealHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Feb 24, 2004·5 cites·20 claims
- 1453US6760555B2System for and method of toner flow controlHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Jul 6, 2004·5 cites·14 claims
- 1553US6641244B2Method and apparatus for modifying a printing process in response to environmental conditions received via a networkHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Nov 4, 2003·4 cites·12 claims
- 1651US6925268B2Estimating toner levelsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 2, 2005·4 cites·30 claims
- 1749US5035194AForced foil sailDOUGHERTY PATRICK S·Filed 1990·Granted Jul 30, 1991·9 cites·12 claims
- 1842US6975342B2Print cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Dec 13, 2005·2 cites·29 claims
- 1941US7555229B2Marking device and methodsHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jun 30, 2009·0 cites·31 claims
- 2025US2005226642A1Estimation of marking material usageRODRIGUEZ SANTIAGO·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →