Inventor · disambiguated record
Stefan Sperrfechter
Also filed as: SPERRFECHTER STEFAN
4 granted patents·2 pending applications·14 citations·filing 2014–2021
68Inventor score
Top patents by PatentIndex Score
6 records- 0194US11293526B2Hybrid dual-clutch transmissionDAIMLER AG·Filed 2020·Granted Apr 5, 2022·6 cites·9 claims
- 0281US8991576B2Torque converter device for a motor vehicleDAIMLER AG·Filed 2014·Granted Mar 31, 2015·6 cites·9 claims
- 0379US11268579B2Hybrid dual-clutch transmissionDAIMLER AG·Filed 2019·Granted Mar 8, 2022·2 cites·10 claims
- 0447US12097766B2Dual-clutch transmissionMERCEDES BENZ GROUP AG·Filed 2021·Granted Sep 24, 2024·0 cites·11 claims
- 0539US2016298733A1Dual Clutch TransmissionDAIMLER AG·Filed 2014·Application pending·0 cites
- 0631US2017191560A1Transmission DeviceDAIMLER AG·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →