Inventor · disambiguated record
David A. Janson
Also filed as: JANSON DAVID · JANSON DAVID A · JANSON DAVID ALLEN · JANSON DAVID H
126 granted patents·7 pending applications·2,081 citations·filing 1980–2024
99Inventor score
Top patents by PatentIndex Score
133 records- 0199US8382631B2Accessory drive and engine restarting systemFORD GLOBAL TECH LLC·Filed 2010·Granted Feb 26, 2013·76 cites·11 claims
- 0298US8968144B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2014·Granted Mar 3, 2015·76 cites·11 claims
- 0398US8376889B2Transmission producing continuously variable speed ratiosFORD GLOBAL TECH LLC·Filed 2010·Granted Feb 19, 2013·74 cites·20 claims
- 0498US7462121B2Hybrid electric vehicle powertrain with four-wheel drive characteristicsFORD GLOBAL TECH LLC·Filed 2006·Granted Dec 9, 2008·62 cites·25 claims
- 0598US6958028B2Ranged dual clutch transmission for motor vehiclesFORD GLOBAL TECH LLC·Filed 2004·Granted Oct 25, 2005·80 cites·25 claims
- 0698US5485904AClutch ball ramp actuator with drive and coast applyEATON CORP·Filed 1994·Granted Jan 23, 1996·102 cites·12 claims
- 0798US5092825AModulating limited slip differentialEATON CORP·Filed 1991·Granted Mar 3, 1992·115 cites·8 claims
- 0898US5019021AModulating limited slip differentialEATON CORP·Filed 1990·Granted May 28, 1991·110 cites·12 claims
- 0997US9643481B2Multi-mode powersplit hybrid transmissionFORD GLOBAL TECH LLC·Filed 2015·Granted May 9, 2017·17 cites·26 claims
- 1097US7293637B2Modular twin clutch transmission input for hybrid vehicleFORD GLOBAL TECH INC·Filed 2005·Granted Nov 13, 2007·56 cites·8 claims
- 1196US7428852B2Actuator mechanism for shift motors of a transmissionFORD GLOBAL TECH LLC·Filed 2006·Granted Sep 30, 2008·40 cites·20 claims
- 1296US7272986B2Dual input automatic transaxleFORD GLOBAL TECH LLC·Filed 2005·Granted Sep 25, 2007·39 cites·14 claims
- 1395US9809105B1Hybrid transaxleFORD GLOBAL TECH LLC·Filed 2016·Granted Nov 7, 2017·9 cites·15 claims
- 1495US8403123B2Magnetically actuated one-way clutchBIRD NORMAN J·Filed 2010·Granted Mar 26, 2013·22 cites·14 claims
- 1595US7762366B2Axle drive unit for a hybrid electric vehicleFORD GLOBAL TECH LLC·Filed 2008·Granted Jul 27, 2010·28 cites·20 claims
- 1695US7467564B2Actuator mechanism for shift motors of a transmissionFORD GLOBAL TECH LLC·Filed 2006·Granted Dec 23, 2008·29 cites·13 claims
- 1795US5007886ALimited slip differentialEATON CORP·Filed 1989·Granted Apr 16, 1991·101 cites·16 claims
- 1894US7309301B2Transaxle having a differential mechanism and on-demand transfer clutchFORD GLOBAL TECH LLC·Filed 2005·Granted Dec 18, 2007·29 cites·10 claims
- 1994US7083540B2Dual clutch transmission having low gear mesh lossFORD GLOBAL TECH LLC·Filed 2004·Granted Aug 1, 2006·47 cites·20 claims
- 2093US11701957B1Electric drive axle with first stage chain driveFORD GLOBAL TECH LLC·Filed 2022·Granted Jul 18, 2023·2 cites·20 claims
- 2193US7077025B2Dual clutch automatic transaxleFORD GLOBAL TECH LLC·Filed 2006·Granted Jul 18, 2006·19 cites·10 claims
- 2292US11052745B1Powersplit hybrid transaxlesFORD GLOBAL TECH LLC·Filed 2020·Granted Jul 6, 2021·3 cites·20 claims
- 2392US7044014B2Dual clutch automatic transaxleFORD GLOBAL TECH LLC·Filed 2004·Granted May 16, 2006·32 cites·10 claims
- 2492US5469948AClutch ball ramp actuator with coast lockEATON CORP·Filed 1994·Granted Nov 28, 1995·50 cites·13 claims
- 2591US7384357B2Speed reduction gear train with planetary differential for electric motor axle driveFORD GLOBAL TECH LLC·Filed 2006·Granted Jun 10, 2008·29 cites·17 claims
- 2690US12103381B1Differential with disconnectFORD GLOBAL TECH LLC·Filed 2023·Granted Oct 1, 2024·1 cites·17 claims
- 2790US6609505B2Two speed supercharger driveFORD GLOBAL TECH LLC·Filed 2001·Granted Aug 26, 2003·39 cites·14 claims
- 2889US9944166B2Axle assembly for hybrid electric vehicleFORD GLOBAL TECH LLC·Filed 2015·Granted Apr 17, 2018·7 cites·19 claims
- 2988US10543740B2Lockup clutch for powersplit hybrid transmissionFORD GLOBAL TECH LLC·Filed 2017·Granted Jan 28, 2020·4 cites·16 claims
- 3088US8672068B2Drive unit for an electric hybrid vehicleFORD GLOBAL TECH LLC·Filed 2013·Granted Mar 18, 2014·9 cites·6 claims
- 3188US4898266ADouble element electroviscous fluid clutchEATON CORP·Filed 1989·Granted Feb 6, 1990·34 cites·10 claims
- 3287US10744865B2Hybrid transaxleFORD GLOBAL TECH LLC·Filed 2018·Granted Aug 18, 2020·5 cites·19 claims
- 3387US7678003B2Hybrid vehicle transmission with a mechanical reverse functionFORD GLOBAL TECH LLC·Filed 2007·Granted Mar 16, 2010·18 cites·14 claims
- 3486US10259308B2Axle assembly for hybrid electric vehicleFORD GLOBAL TECH LLC·Filed 2016·Granted Apr 16, 2019·3 cites·20 claims
- 3586US10145453B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2017·Granted Dec 4, 2018·3 cites·22 claims
- 3686US10081239B2Hybrid transaxleFORD GLOBAL TECH LLC·Filed 2016·Granted Sep 25, 2018·5 cites·11 claims
- 3786US7918757B2Drive unit connected to a transmission output for producing forward and reverse driveFORD GLOBAL TECH LLC·Filed 2010·Granted Apr 5, 2011·6 cites·17 claims
- 3886US7832514B2Axle drive unit for a hybrid electric vehicleFORD GLOBAL TECH LLC·Filed 2008·Granted Nov 16, 2010·18 cites·18 claims
- 3986US7455135B2Torque transfer case for a hybrid electric vehicleFORD GLOBAL TECH LLC·Filed 2005·Granted Nov 25, 2008·19 cites·17 claims
- 4086US4377093AShift mechanism for a five speed transaxle transmissionFORD MOTOR CO·Filed 1980·Granted Mar 22, 1983·44 cites·3 claims
- 4185US4898267AElectroviscous fluid clutchEATON CORP·Filed 1989·Granted Feb 6, 1990·29 cites·10 claims
- 4284US9222550B2Multi-speed transmissionFORD GLOBAL TECH LLC·Filed 2013·Granted Dec 29, 2015·5 cites·8 claims
- 4384US8784258B2Planetary power transmissionHOFFMAN DONALD EDWARD·Filed 2010·Granted Jul 22, 2014·7 cites·7 claims
- 4484US8475325B2Gearset carrier and servo cylinder assemblyJANSON DAVID A·Filed 2011·Granted Jul 2, 2013·5 cites·11 claims
- 4584US7080566B2Ranged single clutch layshaft powershift automatic transmissionFORD GLOBAL TECH LLC·Filed 2004·Granted Jul 25, 2006·22 cites·31 claims
- 4683US8567540B2Drive unit for an electric hybrid vehicleJANSON DAVID A·Filed 2008·Granted Oct 29, 2013·13 cites·9 claims
- 4782US9546720B2Torque split continually variable transmissionFORD GLOBAL TECH LLC·Filed 2013·Granted Jan 17, 2017·5 cites·16 claims
- 4882US9108511B2Transfer caseFORD GLOBAL TECH LLC·Filed 2013·Granted Aug 18, 2015·7 cites·17 claims
- 4981US10767742B2Transaxle having chain final driveFORD GLOBAL TECH LLC·Filed 2016·Granted Sep 8, 2020·2 cites·19 claims
- 5081US10309506B2Multiple-mode continuously variable transmissionFORD GLOBAL TECH LLC·Filed 2016·Granted Jun 4, 2019·2 cites·18 claims
Showing the top 50 of 133 patent records by PatentIndex Score.
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