Inventor · disambiguated record
Ralf Christmann
Also filed as: CHRISTMANN RALF
14 granted patents·5 pending applications·14 citations·filing 2007–2016
85Inventor score
Top patents by PatentIndex Score
19 records- 0173US9255582B2Exhaust-gas turbocharger for use with an internal combustion engineBORGWARNER INC·Filed 2013·Granted Feb 9, 2016·5 cites·16 claims
- 0269US9726081B2Exhaust-gas turbochargerBORGWARNER INC·Filed 2014·Granted Aug 8, 2017·4 cites·10 claims
- 0367US10302123B2Coupling rodBORGWARNER INC·Filed 2016·Granted May 28, 2019·1 cites·8 claims
- 0452US8733100B2Valve control deviceCHRISTMANN RALF·Filed 2007·Granted May 27, 2014·2 cites·20 claims
- 0551US10066540B2Control arrangement of an exhaust-gas turbochargerBORGWARNER INC·Filed 2014·Granted Sep 4, 2018·0 cites·16 claims
- 0648US8627714B2Method for preventing the rupture of a compressor wheel and/or turbine wheel of an exhaust-gas turbochargerCHRISTMANN RALF·Filed 2009·Granted Jan 14, 2014·1 cites·5 claims
- 0748US2015107404A1Coupling rodBORGWARNER INC·Filed 2013·Application pending·0 cites
- 0846US9488459B2Position sensor moduleCHRISTMANN RALF·Filed 2012·Granted Nov 8, 2016·0 cites·14 claims
- 0943US9359909B2Exhaust-gas turbochargerHEIDINGSFELDER LEIF·Filed 2011·Granted Jun 7, 2016·0 cites·14 claims
- 1043US2015110650A1Exhaust-gas turbochargerBORGWARNER INC·Filed 2013·Application pending·0 cites
- 1141US9708984B2Regulating method for a turbocharger of an internal combustion engine, and turbochargerMUELLER VOLKER·Filed 2007·Granted Jul 18, 2017·1 cites·14 claims
- 1241US9222585B2Valve control deviceCHRISTMANN RALF·Filed 2011·Granted Dec 29, 2015·0 cites·8 claims
- 1340US9995312B2Exhaust-gas turbochargerBORGWARNER INC·Filed 2013·Granted Jun 12, 2018·0 cites·9 claims
- 1440US2014144133A1Overrun air recirculation valveCHRISTMANN RALF·Filed 2012·Application pending·0 cites
- 1538US9856752B2Exhaust-gas turbocharger and method for manufacturing the sameCHRISTMANN RALF·Filed 2011·Granted Jan 2, 2018·0 cites·7 claims
- 1638US2012266594A1Internal combustion engineCHRISTMANN RALF·Filed 2010·Application pending·0 cites
- 1735US9909454B2Exhaust-gas turbochargerHEIDINGSFELDER LEIF·Filed 2011·Granted Mar 6, 2018·0 cites·10 claims
- 1835US8629675B2Linear sensorCHRISTMANN RALF·Filed 2008·Granted Jan 14, 2014·0 cites·18 claims
- 1934US2012055155A1Internal combustion engineCHRISTMANN RALF·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →