Inventor · disambiguated record
Donald Eugene Proffitt
Also filed as: PROFFITT DONALD E · PROFFITT DONALD EUGENE · PROFFITT II DONALD E · PROFFITT II DONALD EUGENE
15 granted patents·6 pending applications·51 citations·filing 2005–2019
90Inventor score
Files withLEXMARK INT INC10PANASONIC CORP NORTH AMERICA7PROFFITT II DONALD E2GOGEL NATHAN A1PULLINS ALAN T1
Top patents by PatentIndex Score
21 records- 0187US9857759B1Positive locking mechanism for a removable fuserLEXMARK INT INC·Filed 2016·Granted Jan 2, 2018·4 cites·20 claims
- 0286US7555810B2Vacuum cleaner with wand activated conversion valvePANASONIC CORP NORTH AMERICA·Filed 2007·Granted Jul 7, 2009·17 cites·16 claims
- 0381US9818006B1RFID tag programming in a duplexerLEXMARK INT INC·Filed 2016·Granted Nov 14, 2017·3 cites·5 claims
- 0480US9904239B1Fuser architecture for enabling interchangeability in an imaging deviceLEXMARK INT INC·Filed 2016·Granted Feb 27, 2018·2 cites·15 claims
- 0578US7673369B2Floor cleaning apparatus with filter cleaning systemPANASONIC CORP NORTH AMERICA·Filed 2005·Granted Mar 9, 2010·11 cites·24 claims
- 0673US7752708B2Floor cleaning apparatus with filter cleaning systemPANASONIC CORP NORTH AMERICA·Filed 2007·Granted Jul 13, 2010·5 cites·7 claims
- 0772US7908707B2Floor cleaning apparatus with filter cleaning systemPANASONIC CORP NORTH AMERICA·Filed 2006·Granted Mar 22, 2011·4 cites·15 claims
- 0869US7386917B2Vacuum cleaner with quick release wandPANASONIC CORP NORTH AMERICA·Filed 2006·Granted Jun 17, 2008·4 cites·6 claims
- 0962US9348273B2Self lubricating fuser and method of operationLEXMARK INT INC·Filed 2014·Granted May 24, 2016·0 cites·24 claims
- 1062US7647670B2Vacuum cleaner with final filtration compartment for reducing noisePANASONIC CORP NORTH AMERICA·Filed 2005·Granted Jan 19, 2010·1 cites·11 claims
- 1159US10216141B2Fuser architecture for enabling interchangeability in an imaging deviceLEXMARK INT INC·Filed 2018·Granted Feb 26, 2019·0 cites·16 claims
- 1258US11192737B2Adjustable compliance of separation strips in a media damLEXMARK INT INC·Filed 2019·Granted Dec 7, 2021·0 cites·2 claims
- 1358US9069297B2Self lubricating fuser and method of operationLEXMARK INT INC·Filed 2013·Granted Jun 30, 2015·0 cites·17 claims
- 1457US2009049641A1Vacuum cleaner with wand activated conversion valvePULLINS ALAN T·Filed 2008·Application pending·0 cites
- 1555US2011023261A1Filterless and bagless vacuum cleaner incorporating a sling shot separatorPROFFITT II DONALD E·Filed 2009·Application pending·0 cites
- 1650US9075354B2Self lubricating fuser and method of operationLEXMARK INT INC·Filed 2013·Granted Jul 7, 2015·0 cites·20 claims
- 1749US2007067944A1Vacuum cleaner with dirt collection vessel having a stepped sidewallPANASONIC CORP NORTH AMERICA·Filed 2005·Application pending·0 cites
- 1849US2007209150A1Floor cleaning apparatus with filter cleaning systemGOGEL NATHAN A·Filed 2006·Application pending·0 cites
- 1947US2009178237A1Vacuum cleaner with spiral air guidePROFFITT II DONALD E·Filed 2008·Application pending·0 cites
- 2036US10185285B2Common media redrive system for both belt and hot roll fuser assemblies in an imaging deviceLEXMARK INT INC·Filed 2016·Granted Jan 22, 2019·0 cites·8 claims
- 2134US2017320700A1Removable duplexer tray module for an imaging apparatusLEXMARK INT INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →