Assignee
LEXMARK INT INC
US·2,666 granted patents·444 pending applications·41,181 citations·filing 1982–2025
Top patents by PatentIndex Score
3,110 records- 0199US9563169B1Replaceable unit for an electrophotographic image forming device having a retractable electrical connectorLEXMARK INT INC·Filed 2015·Granted Feb 7, 2017·34 cites·15 claims
- 0299US7236722B2Helically splined drive member for an image forming deviceLEXMARK INT INC·Filed 2005·Granted Jun 26, 2007·101 cites·20 claims
- 0399US5631920ASpread spectrum clock generatorLEXMARK INT INC·Filed 1995·Granted May 20, 1997·160 cites·9 claims
- 0498US11137699B1Toner container having a reduced auger flight to accommodate bi-directional rotation of the augerLEXMARK INT INC·Filed 2021·Granted Oct 5, 2021·6 cites·10 claims
- 0598US10962905B1Seal for an electrophotograhic image forming deviceLEXMARK INT INC·Filed 2020·Granted Mar 30, 2021·8 cites·14 claims
- 0698US10775737B1Replaceable unit for an electrophotographic image forming device having a magnetic sensorLEXMARK INT INC·Filed 2020·Granted Sep 15, 2020·5 cites·17 claims
- 0798US10761476B1Replaceable unit for an electrophotographic image forming device having a movable electrical connectorLEXMARK INT INC·Filed 2019·Granted Sep 1, 2020·18 cites·27 claims
- 0898US10474093B1Toner cartridge having a positioning bossLEXMARK INT INC·Filed 2019·Granted Nov 12, 2019·25 cites·15 claims
- 0998US9989917B1Toner cartridge with positional control featuresLEXMARK INT INC·Filed 2017·Granted Jun 5, 2018·25 cites·28 claims
- 1098US9922276B2Dynamic address change optimizationsLEXMARK INT INC·Filed 2015·Granted Mar 20, 2018·38 cites·21 claims
- 1198US9608634B1Toothed-rack physical unclonable functionLEXMARK INT INC·Filed 2016·Granted Mar 28, 2017·11 cites·3 claims
- 1298US9519243B2Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensingLEXMARK INT INC·Filed 2015·Granted Dec 13, 2016·20 cites·24 claims
- 1398US9389582B2Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensingLEXMARK INT INC·Filed 2014·Granted Jul 12, 2016·22 cites·23 claims
- 1498US9360834B1Replaceable unit for an electrophotographic image forming device having positioning features for electrical contactsLEXMARK INT INC·Filed 2015·Granted Jun 7, 2016·50 cites·16 claims
- 1598US9298908B1Methods and apparatus for setting the address of a module using a voltageLEXMARK INT INC·Filed 2015·Granted Mar 29, 2016·54 cites·11 claims
- 1698US9213396B1Methods and apparatus for setting the address of a module using a clockLEXMARK INT INC·Filed 2015·Granted Dec 15, 2015·58 cites·16 claims
- 1798US7606520B2Shutter for a toner cartridge for use with an image forming deviceLEXMARK INT INC·Filed 2006·Granted Oct 20, 2009·66 cites·20 claims
- 1898US7235761B1Heating apparatus with mechanical attachmentLEXMARK INT INC·Filed 2006·Granted Jun 26, 2007·63 cites·17 claims
- 1998US6481829B1Manually actuated carrier latch mechanismLEXMARK INT INC·Filed 2001·Granted Nov 19, 2002·281 cites·32 claims
- 2098US6409312B1Ink jet printer nozzle plate and process thereforLEXMARK INT INC·Filed 2001·Granted Jun 25, 2002·114 cites·24 claims
- 2198US6375314B1Removable cassette having integrated supply of consumablesLEXMARK INT INC·Filed 2000·Granted Apr 23, 2002·141 cites·13 claims
- 2298US6155664AOff-carrier inkjet print supply with memoryLEXMARK INT INC·Filed 1998·Granted Dec 5, 2000·251 cites·66 claims
- 2398US6155678AReplaceable ink cartridge for ink jet penLEXMARK INT INC·Filed 1999·Granted Dec 5, 2000·247 cites·11 claims
- 2498US6045214AInk jet printer nozzle plate having improved flow feature design and method of making nozzle platesLEXMARK INT INC·Filed 1997·Granted Apr 4, 2000·173 cites·21 claims
- 2598US5995772AImaging apparatus cartridge including an encoded deviceLEXMARK INT INC·Filed 1996·Granted Nov 30, 1999·202 cites·39 claims
- 2698US5488627ASpread spectrum clock generator and associated methodLEXMARK INT INC·Filed 1993·Granted Jan 30, 1996·230 cites·31 claims
- 2797US11300921B2Replaceable unit for an electrophotographic image forming device having positioning features for electrical contactsLEXMARK INT INC·Filed 2020·Granted Apr 12, 2022·4 cites·11 claims
- 2897US10649389B1Electrical connectors of a replaceable unit of an electrophotographic image forming deviceLEXMARK INT INC·Filed 2019·Granted May 12, 2020·18 cites·15 claims
- 2997US10527967B1Toner container having a common input gear for a toner agitator assembly and an encoded memberLEXMARK INT INC·Filed 2018·Granted Jan 7, 2020·11 cites·30 claims
- 3097US9910403B2Positioning features for electrical contacts of a replaceable unit of an electrophotographic image forming deviceLEXMARK INT INC·Filed 2016·Granted Mar 6, 2018·17 cites·15 claims
- 3197US9746815B2Replaceable unit for an electrophotographic image forming device having a retractable electrical connectorLEXMARK INT INC·Filed 2016·Granted Aug 29, 2017·8 cites·34 claims
- 3297US9519262B1Positioning features and electrical contacts for a replaceable unit of an electrophotographic image forming deviceLEXMARK INT INC·Filed 2015·Granted Dec 13, 2016·29 cites·12 claims
- 3397US9482989B1Replaceable unit for an electrophotographic image forming device having positioning features for electrical contactsLEXMARK INT INC·Filed 2016·Granted Nov 1, 2016·11 cites·4 claims
- 3497US9360797B1Toner cartridge having a movable projection for providing installation feedback to an image forming deviceLEXMARK INT INC·Filed 2015·Granted Jun 7, 2016·23 cites·24 claims
- 3597US9291989B1Replaceable unit for an electrophotographic image forming device having an engagement member for positioning a magnetic sensorLEXMARK INT INC·Filed 2015·Granted Mar 22, 2016·14 cites·17 claims
- 3697US9213927B1Methods for setting the address of a moduleLEXMARK INT INC·Filed 2014·Granted Dec 15, 2015·43 cites·20 claims
- 3797US8989611B2Replaceable unit for an image forming device having a falling paddle for toner level sensingLEXMARK INT INC·Filed 2012·Granted Mar 24, 2015·26 cites·20 claims
- 3897US8850079B2Dynamic address change optimizationsLEXMARK INT INC·Filed 2013·Granted Sep 30, 2014·14 cites·22 claims
- 3997US7938523B2Fluid supply tank ventilation for a micro-fluid ejection headLEXMARK INT INC·Filed 2007·Granted May 10, 2011·35 cites·18 claims
- 4097US7717423B2Duplex ADF mechanismLEXMARK INT INC·Filed 2007·Granted May 18, 2010·68 cites·14 claims
- 4197US7548710B2Dual sliding shutter systemLEXMARK INT INC·Filed 2006·Granted Jun 16, 2009·44 cites·22 claims
- 4297US7445323B2Ink cartridge ventingLEXMARK INT INC·Filed 2005·Granted Nov 4, 2008·37 cites·17 claims
- 4397US7272336B1Cartridge with a movable electrical connector for use with an image forming deviceLEXMARK INT INC·Filed 2007·Granted Sep 18, 2007·72 cites·9 claims
- 4497US7223030B2Systems and methods for determining physical location of RFID tags on embedded print mediaLEXMARK INT INC·Filed 2005·Granted May 29, 2007·47 cites·14 claims
- 4597US6402301B1Ink jet printheads and methods thereforLEXMARK INT INC·Filed 2000·Granted Jun 11, 2002·87 cites·34 claims
- 4697US6397029B1Coupler for an image-forming apparatusLEXMARK INT INC·Filed 2001·Granted May 28, 2002·84 cites·24 claims
- 4797US6293143B1Ink level sensing device and method thereforLEXMARK INT INC·Filed 2000·Granted Sep 25, 2001·87 cites·29 claims
- 4897US6281908B1Alignment system and method of compensating for skewed printing in an ink jet printerLEXMARK INT INC·Filed 1999·Granted Aug 28, 2001·176 cites·5 claims
- 4997US6246841B1Removable toner cartridgeLEXMARK INT INC·Filed 2000·Granted Jun 12, 2001·102 cites·37 claims
- 5097US6199977B1Cartridge body for ink jet printerLEXMARK INT INC·Filed 2000·Granted Mar 13, 2001·127 cites·26 claims
Showing the top 50 of 3,110 patent records by PatentIndex Score.
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