Inventor · disambiguated record
Christoph Margraf
Also filed as: MARGRAF CHRISTOPH
23 granted patents·3 pending applications·36 citations·filing 2007–2024
92Inventor score
Top patents by PatentIndex Score
26 records- 0187US10221922B2Multi-speed automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Mar 5, 2019·3 cites·30 claims
- 0286US11261943B2Planet-type multi-stage transmission for a bicycle or pedelecZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2019·Granted Mar 1, 2022·4 cites·25 claims
- 0386US7954615B2Device for actuating a multiplate clutch in a transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Jun 7, 2011·9 cites·10 claims
- 0480US10527108B2Clutch assemblyZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Jan 7, 2020·2 cites·6 claims
- 0578US10161509B2Hydraulic control device for an automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2014·Granted Dec 25, 2018·4 cites·18 claims
- 0677US11807099B2Rotor support for an electrical machineZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2019·Granted Nov 7, 2023·2 cites·12 claims
- 0776US10995827B2Multispeed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted May 4, 2021·2 cites·14 claims
- 0876US9803723B2Multi-step automatic gearboxZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2014·Granted Oct 31, 2017·3 cites·35 claims
- 0974US8496562B2Method for the operation of a transmission deviceARNOLD JORG·Filed 2010·Granted Jul 30, 2013·4 cites·12 claims
- 1069US8840517B2Method for operating a transmission device having a plurality of friction-fit shift elements and at least one form-fit shift elementHERBETH VALENTINE·Filed 2010·Granted Sep 23, 2014·3 cites·7 claims
- 1165US12503199B2Assembly for actuating a shifting element of a transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2023·Granted Dec 23, 2025·0 cites·10 claims
- 1263US11962226B2Rotor support for an electrical machineZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2019·Granted Apr 16, 2024·0 cites·15 claims
- 1361US12434788B2Bottom-bracket gearZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2023·Granted Oct 7, 2025·0 cites·18 claims
- 1453US11708888B2Shaft for a motor vehicle transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2019·Granted Jul 25, 2023·0 cites·20 claims
- 1553US9470274B2Claw shifting element comprising a sliding sleeve for an automatic transmission of a motor vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2014·Granted Oct 18, 2016·0 cites·14 claims
- 1653US2024235337A1Arrangement for grounding a shaftZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2024·Application pending·0 cites
- 1751US12291304B2Gear set assembly and bicycle gearing systemZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2022·Granted May 6, 2025·0 cites·9 claims
- 1851US10480641B2Assembly for blocking and enabling a shifting position of a shifting elementZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2015·Granted Nov 19, 2019·0 cites·26 claims
- 1945US9726233B2Hydraulic system for an automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2015·Granted Aug 8, 2017·0 cites·16 claims
- 2044US2025155018A1Bottom-bracket Transmission for a Micromobility VehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2023·Application pending·0 cites
- 2142US10955031B2Multispeed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Mar 23, 2021·0 cites·12 claims
- 2241US11193559B2Automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Dec 7, 2021·0 cites·17 claims
- 2341US10876600B2Multispeed transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Dec 29, 2020·0 cites·11 claims
- 2441US10759265B2Planetary automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Sep 1, 2020·0 cites·30 claims
- 2538US2010243401A1Shifting element of a gear boxZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2010·Application pending·0 cites
- 2637US11359715B2Transmission shaft, transmission, and motor vehicle drivetrainZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2020·Granted Jun 14, 2022·0 cites·16 claims
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