Inventor · disambiguated record
L. Stephen Buchanan
Also filed as: BUCHANAN L S · BUCHANAN L STEPHEN
22 granted patents·7 pending applications·315 citations·filing 1986–2023
95Inventor score
Files withBUCHANAN L STEPHEN18DENTAL EDUCATION LABORATORIES INC4ORMCO CORP3BUCHANAN L S1EARTH CITY TECHNOLOGIES INC1
Top patents by PatentIndex Score
29 records- 0195US10779920B2Multi-cannula negative pressure irrigation systemBUCHANAN L STEPHEN·Filed 2016·Granted Sep 22, 2020·24 cites·9 claims
- 0294US7448867B2Medical treatment apparatusORMCO CORP·Filed 2005·Granted Nov 11, 2008·38 cites·9 claims
- 0392US10729514B2Self-heating electric plugger/syringe needle for use in a root canalBUCHANAN L STEPHEN·Filed 2016·Granted Aug 4, 2020·18 cites·16 claims
- 0491US10420629B2Endodontic instruments with pilot tips and parabolic cutting flutesORMCO CORP·Filed 2013·Granted Sep 24, 2019·15 cites·15 claims
- 0581US7604479B2Tip wrench for ultrasonic dental toolBUCHANAN L STEPHEN·Filed 2006·Granted Oct 20, 2009·9 cites·7 claims
- 0681US4836780AAnti-curvature dental root canal shaping fileBUCHANAN L STEPHEN·Filed 1986·Granted Jun 6, 1989·58 cites·22 claims
- 0777US11049415B2Anatomic apparatus and training system for remote and interactive hands-on surgical trainingDENTAL EDUCATION LABORATORIES INC·Filed 2016·Granted Jun 29, 2021·1 cites·10 claims
- 0876US8408901B2Variable land, multiple height flute contour design for endodontic filesBUCHANAN L STEPHEN·Filed 2006·Granted Apr 2, 2013·5 cites·9 claims
- 0975US7695191B1X-ray imaging and positionerBUCHANAN L STEPHEN·Filed 2006·Granted Apr 13, 2010·14 cites·17 claims
- 1075US6955536B1Motor control system for endodontic handpiece providing dynamic torque limit tracking of specific file fatigueBUCHANAN L STEPHEN·Filed 2003·Granted Oct 18, 2005·25 cites·17 claims
- 1174US11605310B2Anatomic apparatus and training system for remote and interactive hands-on surgical training for dentistsDENTAL EDUCATION LABORATORIES INC·Filed 2021·Granted Mar 14, 2023·0 cites·16 claims
- 1274US2023360560A1Anatomic Apparatus and Training System for Remote and Interactive Hands-On Surgical Training for DentistsDENTAL EDUCATION LABORATORIES INC·Filed 2023·Application pending·0 cites
- 1373US6053735ARoot canal preparation methodFiled 1998·Granted Apr 25, 2000·56 cites·11 claims
- 1472US6722882B2Dental instruments for use with ultrasonic handpiecesEARTH CITY TECHNOLOGIES INC·Filed 2003·Granted Apr 20, 2004·25 cites·8 claims
- 1568US10543060B2Fluted endodontic fileORMCO CORP·Filed 2016·Granted Jan 28, 2020·1 cites·16 claims
- 1665US10501651B2Radio-opaque 3D printing inkBUCHANAN L STEPHEN·Filed 2016·Granted Dec 10, 2019·0 cites·21 claims
- 1765US9750582B1Endodontic therapy system, apparatus and method making use of a disposable CT registration tray device with pre-set radiographic registration markersBUCHANAN L STEPHEN·Filed 2015·Granted Sep 5, 2017·1 cites·9 claims
- 1864US11717388B2Multi-cannula negative pressure irrigation systemBUCHANAN L STEPHEN·Filed 2020·Granted Aug 8, 2023·0 cites·7 claims
- 1962US11471249B2Self-heating electric plugger/syringe needle for use in filling a root canalDENTAL EDUCATION LABORATORIES INC·Filed 2020·Granted Oct 18, 2022·0 cites·16 claims
- 2058US7993138B2Apex locator for endodontic proceduresBUCHANAN L STEPHEN·Filed 2008·Granted Aug 9, 2011·0 cites·3 claims
- 2157US7942673B2Dental obturatorBUCHANAN L STEPHEN·Filed 2004·Granted May 17, 2011·4 cites·18 claims
- 2257US2008283526A1Attachable packages for thin, elongated devicesBUCHANAN L STEPHEN·Filed 2007·Application pending·0 cites
- 2356US8986006B2Dental obturatorBUCHANAN L STEPHEN·Filed 2011·Granted Mar 24, 2015·0 cites·9 claims
- 2455US2006228667A1Endodontic instruments with pilot tips and parabolic cutting flutesBUCHANAN L STEPHEN·Filed 2005·Application pending·0 cites
- 2554US4708651AEndodontic root canal file bending pliersBUCHANAN L STEPHEN·Filed 1986·Granted Nov 24, 1987·21 cites·20 claims
- 2651US2023135573A1Vacuum drawn irrigation followed by instant obturation of a root canal system using a single staging assemblyBUCHANAN L STEPHEN·Filed 2021·Application pending·0 cites
- 2750US2005214711A1Endodontic instruments with pilot tips and parabolic cutting flutesBUCHANAN L S·Filed 2005·Application pending·0 cites
- 2847US2011256505A1Ultrasonic tipsBUCHANAN L STEPHEN·Filed 2011·Application pending·0 cites
- 2945US2005026109A1Multi-tapered dental filesFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →