Inventor · disambiguated record
Brian Lester Boettcher
Also filed as: BOETTCHER BRIAN · BOETTCHER BRIAN LESTER
70 granted patents·10 pending applications·217 citations·filing 2006–2025
98Inventor score
Files withLEXMARK INT INC74BLAINE DAVID CLAY2CARTER II JAMES ANTHANY2AGNISSEY KEVIN1ALLEN EUGENE DAVID1
Top patents by PatentIndex Score
80 records- 0198US10962905B1Seal for an electrophotograhic image forming deviceLEXMARK INT INC·Filed 2020·Granted Mar 30, 2021·8 cites·14 claims
- 0298US10474093B1Toner cartridge having a positioning bossLEXMARK INT INC·Filed 2019·Granted Nov 12, 2019·25 cites·15 claims
- 0396US10691062B1Toner cartridge having a spring for mechanically biasing a developer unit relative to a photoconductor unit and forming an electrical path to an imaging componentLEXMARK INT INC·Filed 2019·Granted Jun 23, 2020·12 cites·17 claims
- 0495US11507013B2Toner cartridge having positioning featuresLEXMARK INT INC·Filed 2021·Granted Nov 22, 2022·2 cites·4 claims
- 0595US10782643B2Toner cartridge having positioning featuresLEXMARK INT INC·Filed 2018·Granted Sep 22, 2020·6 cites·19 claims
- 0695US10725422B2Toner cartridge electrical contactsLEXMARK INT INC·Filed 2018·Granted Jul 28, 2020·8 cites·29 claims
- 0795US10656592B1Toner cartridge having positioning featuresLEXMARK INT INC·Filed 2019·Granted May 19, 2020·9 cites·20 claims
- 0895US9285758B1Positional control features between replaceable units of an electrophotographic image forming deviceLEXMARK INT INC·Filed 2014·Granted Mar 15, 2016·13 cites·21 claims
- 0994US12092990B2Toner containers having electrical connectors of different positionsLEXMARK INT INC·Filed 2022·Granted Sep 17, 2024·2 cites·24 claims
- 1094US11829085B1Toner container having an angled electrical connectorLEXMARK INT INC·Filed 2022·Granted Nov 28, 2023·2 cites·12 claims
- 1194US9411303B1Positioning stop assembly for a replaceable unit of an electrophotographic image forming deviceLEXMARK INT INC·Filed 2015·Granted Aug 9, 2016·7 cites·16 claims
- 1294US9317004B1Handle and positioning stop assembly for a replaceable unit of an electrophotographic image forming deviceLEXMARK INT INC·Filed 2015·Granted Apr 19, 2016·10 cites·22 claims
- 1394US9291992B1Positional control features for an imaging unit in an electrophotographic image forming deviceLEXMARK INT INC·Filed 2014·Granted Mar 22, 2016·11 cites·17 claims
- 1491US11086268B2Toner cartridge having positioning featuresLEXMARK INT INC·Filed 2020·Granted Aug 10, 2021·2 cites·18 claims
- 1591US8886080B2Cleaner unit for removing waste toner within an image forming deviceALLEN EUGENE DAVID·Filed 2012·Granted Nov 11, 2014·8 cites·25 claims
- 1690US10908551B2Toner cartridge electrical contactsLEXMARK INT INC·Filed 2020·Granted Feb 2, 2021·2 cites·15 claims
- 1790US2025370376A1Toner container handleLEXMARK INT INC·Filed 2025·Application pending·0 cites
- 1887US2025355383A1Toner container having a shutter lock mechanismLEXMARK INT INC·Filed 2025·Application pending·0 cites
- 1986US11194286B2Latching assembly for securing toner cartridges in an image forming deviceLEXMARK INT INC·Filed 2021·Granted Dec 7, 2021·1 cites·19 claims
- 2085US12449761B1Toner cartridge having positioning featuresLEXMARK INT INC·Filed 2024·Granted Oct 21, 2025·0 cites·4 claims
- 2184US12510843B2Toner container having an angled electrical connectorLEXMARK INT INC·Filed 2024·Granted Dec 30, 2025·0 cites·5 claims
- 2283US9671750B2Positional control features for an imaging unit in an electrophotographic image forming deviceLEXMARK INT INC·Filed 2016·Granted Jun 6, 2017·2 cites·25 claims
- 2382US12411438B2Toner container handleLEXMARK INT INC·Filed 2024·Granted Sep 9, 2025·0 cites·11 claims
- 2481US12276934B2Toner container latchingLEXMARK INT INC·Filed 2024·Granted Apr 15, 2025·0 cites·6 claims
- 2580US12169381B2Toner cartridge electrical contactsLEXMARK INT INC·Filed 2023·Granted Dec 17, 2024·0 cites·18 claims
- 2680US12164244B2Toner container having an angled electrical connectorLEXMARK INT INC·Filed 2023·Granted Dec 10, 2024·0 cites·7 claims
- 2779US11982970B2Toner cartridge having positioning featuresLEXMARK INT INC·Filed 2022·Granted May 14, 2024·0 cites·4 claims
- 2879US2025199456A1Toner container having positioning features for electrical contactsLEXMARK INT INC·Filed 2025·Application pending·0 cites
- 2978US12393137B2Toner container having a shutter lock mechanismLEXMARK INT INC·Filed 2024·Granted Aug 19, 2025·0 cites·25 claims
- 3078USD929496SToner cartridgeLEXMARK INT INC·Filed 2020·Granted Aug 31, 2021·7 cites·1 claims
- 3177US12025947B1Toner container latchingLEXMARK INT INC·Filed 2023·Granted Jul 2, 2024·0 cites·19 claims
- 3277US8301057B2Roller separation cam with automatic engagementAGNISSEY KEVIN·Filed 2010·Granted Oct 30, 2012·3 cites·21 claims
- 3377US2025208535A1Toner cartridge having positioning featuresLEXMARK INT INC·Filed 2025·Application pending·0 cites
- 3476US11561489B2Seal for an electrophotograhic image forming deviceLEXMARK INT INC·Filed 2022·Granted Jan 24, 2023·0 cites·18 claims
- 3575US12055872B2Toner container handleLEXMARK INT INC·Filed 2022·Granted Aug 6, 2024·0 cites·30 claims
- 3674US12271121B2Toner cartridge having positioning featuresLEXMARK INT INC·Filed 2024·Granted Apr 8, 2025·0 cites·25 claims
- 3774US2025231519A1Hold down assembly for a developer unit of an image forming deviceLEXMARK INT INC·Filed 2025·Application pending·0 cites
- 3874US2025231518A1Hold down assembly for a developer unit of an image forming deviceLEXMARK INT INC·Filed 2025·Application pending·0 cites
- 3973USD693400SLaser printer toner cartridgeLEXMARK INT INC·Filed 2012·Granted Nov 12, 2013·19 cites·1 claims
- 4072US12265353B2Toner container having positioning features for electrical contactsLEXMARK INT INC·Filed 2023·Granted Apr 1, 2025·0 cites·29 claims
- 4172US11703777B2Drive and seal assembly for an electrophotographic image forming deviceLEXMARK INT INC·Filed 2022·Granted Jul 18, 2023·0 cites·4 claims
- 4272US11221582B2Latching assembly for securing toner cartridges in an image forming deviceLEXMARK INT INC·Filed 2021·Granted Jan 11, 2022·0 cites·14 claims
- 4372US10838355B2Toner cartridge having a positioning bossLEXMARK INT INC·Filed 2019·Granted Nov 17, 2020·0 cites·5 claims
- 4471US11714373B2Toner cartridge electrical contactsLEXMARK INT INC·Filed 2021·Granted Aug 1, 2023·0 cites·11 claims
- 4571US11402770B2Seal for an electrophotographic image forming deviceLEXMARK INT INC·Filed 2021·Granted Aug 2, 2022·0 cites·5 claims
- 4669US11327431B2Toner cartridge having a positioning bossLEXMARK INT INC·Filed 2020·Granted May 10, 2022·0 cites·6 claims
- 4769USD934340SToner cartridgeLEXMARK INT INC·Filed 2020·Granted Oct 26, 2021·4 cites·1 claims
- 4867US10025267B2Cleaner assembly for removing waste toner in an electrophotographic image forming deviceLEXMARK INT INC·Filed 2016·Granted Jul 17, 2018·1 cites·20 claims
- 4967US2025237995A1Air duct for an electrophotographic image forming deviceLEXMARK INT INC·Filed 2025·Application pending·0 cites
- 5065US11327417B2Drive and seal assembly for an electrophotographic image forming deviceLEXMARK INT INC·Filed 2020·Granted May 10, 2022·0 cites·4 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Brian Lester Boettcher files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →