Inventor · disambiguated record
William Paul Cook
Also filed as: COOK WILLIAM P · COOK WILLIAM PAUL
55 granted patents·9 pending applications·1,065 citations·filing 1989–2017
98Inventor score
Files withLEXMARK INT INC49COOK WILLIAM PAUL5CAMPBELL THOMAS JUDSON3TONGES JEFFREY LAWRENCE2BOOTH JAMES RONALD1
Top patents by PatentIndex Score
64 records- 0198US6155664AOff-carrier inkjet print supply with memoryLEXMARK INT INC·Filed 1998·Granted Dec 5, 2000·251 cites·66 claims
- 0296US6206511B1Multiple-cartridge off-board ink supplies for color ink jet printersLEXMARK INT INC·Filed 1998·Granted Mar 27, 2001·118 cites·14 claims
- 0395US6224198B1Method and apparatus for refilling ink jet cartridges with minimum ink lossLEXMARK INT INC·Filed 1999·Granted May 1, 2001·100 cites·31 claims
- 0495US6158850AOn carrier secondary ink tank with memory and flow control meansLEXMARK INT INC·Filed 1998·Granted Dec 12, 2000·110 cites·31 claims
- 0591US9575453B1System and method for controlling media bubble formation in an imaging deviceLEXMARK INT INC·Filed 2016·Granted Feb 21, 2017·5 cites·25 claims
- 0691US7471905B2Backup of replaceable device information in an image-forming apparatusCOOK WILLIAM PAUL·Filed 2005·Granted Dec 30, 2008·15 cites·17 claims
- 0789US7549626B2Media timing based on stack height for use within an image forming deviceLEXMARK INT INC·Filed 2005·Granted Jun 23, 2009·12 cites·19 claims
- 0889US6095643ARefillable disposable inkjet cartridge with foam-filled and free ink reservoirsLEXMARK INT INC·Filed 1998·Granted Aug 1, 2000·66 cites·20 claims
- 0987US9977376B1Method to control transfer of black and color toned images during simplex printingLEXMARK INT INC·Filed 2016·Granted May 22, 2018·3 cites·11 claims
- 1087US6870140B2Universal fuser heating apparatus with effective resistance switched responsive to input AC line voltageLEXMARK INT INC·Filed 2003·Granted Mar 22, 2005·29 cites·33 claims
- 1186US6502926B2Ink jet semiconductor chip structureLEXMARK INT INC·Filed 2001·Granted Jan 7, 2003·31 cites·28 claims
- 1286US6412894B1Ink cartridge and method for determining ink volume in said ink cartridgeLEXMARK INT INC·Filed 2001·Granted Jul 2, 2002·29 cites·37 claims
- 1385US8366099B2Media retractor and recycler system for automatic document feeders and duplexers and method for using sameLEXMARK INT INC·Filed 2011·Granted Feb 5, 2013·6 cites·24 claims
- 1485US7454145B2Packaging detection and removal for an image forming deviceLEXMARK INT INC·Filed 2005·Granted Nov 18, 2008·11 cites·19 claims
- 1585US7280776B2Method and apparatus to control waste toner collection in an image forming apparatusLEXMARK INT INC·Filed 2005·Granted Oct 9, 2007·8 cites·24 claims
- 1682US8064816B2Printer including a fuser assembly with backup member temperature sensorCAMPBELL THOMAS JUDSON·Filed 2008·Granted Nov 22, 2011·7 cites·20 claims
- 1781US6145971APrinter ink pump and method of supplying ink using motion of the carrierLEXMARK INT INC·Filed 2000·Granted Nov 14, 2000·23 cites·19 claims
- 1880US7766320B2Media handling system for maintaining stack top within given range of pick positions during feeding sheets from stack topLEXMARK INT INC·Filed 2008·Granted Aug 3, 2010·9 cites·2 claims
- 1980US7451975B2Input tray and drive mechanism using a single motor for an image forming deviceLEXMARK INT INC·Filed 2004·Granted Nov 18, 2008·16 cites·8 claims
- 2080US6328424B1Inkjet cartridge with simultaneous electrical and fluid connectionsLEXMARK INT INC·Filed 2000·Granted Dec 11, 2001·20 cites·9 claims
- 2179US7193180B2Resistive heater comprising first and second resistive traces, a fuser subassembly including such a resistive heater and a universal heating apparatus including first and second resistive tracesLEXMARK INT INC·Filed 2004·Granted Mar 20, 2007·23 cites·8 claims
- 2278US10310790B1System and methods for reducing component wear in an imaging deviceLEXMARK INT INC·Filed 2017·Granted Jun 4, 2019·2 cites·5 claims
- 2378US7380789B2Methods of moving a media sheet from an input tray and into a media path within an image forming deviceLEXMARK INT INC·Filed 2005·Granted Jun 3, 2008·8 cites·17 claims
- 2478US6588872B2Electronic skew adjustment in an ink jet printerLEXMARK INT INC·Filed 2001·Granted Jul 8, 2003·20 cites·11 claims
- 2575US10082757B1Method to control transfer of black and color toned images during combined simplex duplex printingLEXMARK INT INC·Filed 2017·Granted Sep 25, 2018·1 cites·8 claims
- 2675US8018604B2Multifunction sensor for an image forming deviceLEXMARK INT INC·Filed 2007·Granted Sep 13, 2011·4 cites·20 claims
- 2775US7206012B2Memory device on optical scanner and apparatus and method for storing characterizing information on the memory deviceLEXMARK INT INC·Filed 2004·Granted Apr 17, 2007·13 cites·19 claims
- 2875US6616256B1Serial integrated scan-based testing of ink jet print headLEXMARK INT INC·Filed 2002·Granted Sep 9, 2003·17 cites·19 claims
- 2974US7933530B2Fuser assembly fan controlLEXMARK INT INC·Filed 2008·Granted Apr 26, 2011·5 cites·14 claims
- 3073US8213822B2Power control for a printer fuserCOOK WILLIAM PAUL·Filed 2008·Granted Jul 3, 2012·5 cites·9 claims
- 3172US6785011B1Optical sensor arrangement for start of scan detection and improved vertical beam alignment rangeLEXMARK INT INC·Filed 2000·Granted Aug 31, 2004·11 cites·3 claims
- 3271US10459671B2System and methods for reducing component wear in an imaging deviceLEXMARK INT INC·Filed 2017·Granted Oct 29, 2019·1 cites·17 claims
- 3370US8005391B2Methods for determining when to transition between color printing and black-only printing in an image forming deviceLEXMARK INT INC·Filed 2008·Granted Aug 23, 2011·3 cites·20 claims
- 3469US8023851B2Method and printer assembly for consistent power control in fuser assembly of electrophotographic printerLEXMARK INT INC·Filed 2008·Granted Sep 20, 2011·3 cites·14 claims
- 3567US7887045B2Method for dynamically lifting elevator platform of media input tray during ongoing media processLEXMARK INT INC·Filed 2008·Granted Feb 15, 2011·4 cites·20 claims
- 3667US7798489B2Media handling system for lowering and raising stack platform responsive to moving bin between external and internal positionsLEXMARK INT INC·Filed 2008·Granted Sep 21, 2010·4 cites·2 claims
- 3767US7052125B2Apparatus and method for ink-jet printing onto an intermediate drum in a helical patternLEXMARK INT INC·Filed 2003·Granted May 30, 2006·12 cites·9 claims
- 3862US7130574B2Image forming device with multimode duplexerLEXMARK INT INC·Filed 2004·Granted Oct 31, 2006·6 cites·22 claims
- 3960US8165495B2Devices and methods for retracting a cartridge in an image forming devicesTONGES JEFFREY LAWRENCE·Filed 2008·Granted Apr 24, 2012·2 cites·20 claims
- 4060US7957665B2Dual-range power supply for an image forming deviceLEXMARK INT INC·Filed 2007·Granted Jun 7, 2011·2 cites·16 claims
- 4158US7085507B2Method and apparatus to control waste toner collection in an image forming apparatusLEXMARK INT INC·Filed 2003·Granted Aug 1, 2006·6 cites·50 claims
- 4258US6154238AScanning print headLEXMARK INT INC·Filed 1997·Granted Nov 28, 2000·12 cites·60 claims
- 4354US7826774B2Methods to control transitions between color printing and black-only printing in an image forming deviceLEXMARK INT INC·Filed 2008·Granted Nov 2, 2010·1 cites·20 claims
- 4454US6582049B2Method and apparatus for detecting the position of an inkjet printheadLEXMARK INT INC·Filed 2001·Granted Jun 24, 2003·5 cites·41 claims
- 4552US8737875B2Devices and methods for retracting a cartridge in an image forming deviceTONGES JEFFREY LAWRENCE·Filed 2012·Granted May 27, 2014·0 cites·17 claims
- 4652US4920383APaper handling for repetitive movement of variable length media through an image transfer stationIBM·Filed 1989·Granted Apr 24, 1990·8 cites·10 claims
- 4750US8175482B2Printer including a fuser assembly with backup member temperature sensorCAMPBELL THOMAS JUDSON·Filed 2010·Granted May 8, 2012·0 cites·13 claims
- 4849US7957661B2Control of overheating in an image fixing assemblyLEXMARK INT INC·Filed 2009·Granted Jun 7, 2011·0 cites·20 claims
- 4948US7796936B2Image forming device with multimode duplexerLEXMARK INT INC·Filed 2006·Granted Sep 14, 2010·0 cites·19 claims
- 5047US6193349B1Ink jet print cartridge having active cooling cellLEXMARK INT INC·Filed 1997·Granted Feb 27, 2001·9 cites·22 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →