Inventor · disambiguated record
Stefan Ruppel
Also filed as: RUPPEL STEFAN
23 granted patents·111 citations·filing 2006–2017
94Inventor score
Top patents by PatentIndex Score
23 records- 0193US7799109B2Device for separating a gas-liquid mixtureMAHLE INT GMBH·Filed 2006·Granted Sep 21, 2010·28 cites·11 claims
- 0284US9932869B2Crankcase ventilation apparatusMAHLE INT GMBH·Filed 2015·Granted Apr 3, 2018·4 cites·20 claims
- 0384US8439022B2Ventilation device for a forced induction internal combustion engineRUPPEL STEFAN·Filed 2007·Granted May 14, 2013·13 cites·20 claims
- 0482US8393315B2Crank case ventilatorRUPPEL STEFAN·Filed 2007·Granted Mar 12, 2013·12 cites·19 claims
- 0577US9238980B2Crankcase ventilation deviceMAHLE INT GMBH·Filed 2013·Granted Jan 19, 2016·5 cites·20 claims
- 0677US8388713B2Oil mist separatorENDERICH ANDREAS·Filed 2008·Granted Mar 5, 2013·9 cites·20 claims
- 0775US10253662B2Pump device for driving blow-by-gasMAHLE INT GMBH·Filed 2016·Granted Apr 9, 2019·2 cites·20 claims
- 0874US8607767B2Device for ventilating a crankcaseRUPPEL STEFAN·Filed 2007·Granted Dec 17, 2013·7 cites·14 claims
- 0971US8893688B2Device for venting a crank spaceRUPPEL STEFAN·Filed 2007·Granted Nov 25, 2014·6 cites·11 claims
- 1069US7845322B2Cylinder head coverMAHLE INT GMBH·Filed 2008·Granted Dec 7, 2010·4 cites·18 claims
- 1168US7850754B2Device for separating a gas-liquid mixture, in particular during ventilation of a crankcase of an internal combustion engineMAHLE INT GMBH·Filed 2008·Granted Dec 14, 2010·10 cites·20 claims
- 1267US9598992B2Separation device for an aerosol streamMAHLE INT GMBH·Filed 2013·Granted Mar 21, 2017·2 cites·17 claims
- 1357US9885266B2Oil mist separatorMAHLE INT GMBH·Filed 2015·Granted Feb 6, 2018·0 cites·18 claims
- 1456US8485164B2Oil mist separatorRUPPEL STEFAN·Filed 2008·Granted Jul 16, 2013·2 cites·16 claims
- 1556US8191538B2Deaerating and aerating device for a supercharged internal combustion engineBRAUN MIRKO·Filed 2007·Granted Jun 5, 2012·3 cites·20 claims
- 1654US8733402B2Pressure control valveGOERLICH LESZEK·Filed 2009·Granted May 27, 2014·2 cites·19 claims
- 1753US8166940B2Internal combustion engine with a camshaft bearing deviceGRASS UWE·Filed 2008·Granted May 1, 2012·1 cites·14 claims
- 1852US9080477B2Oil mist separatorRUPPEL STEFAN·Filed 2010·Granted Jul 14, 2015·0 cites·18 claims
- 1949US10300416B2Liquid mist separation deviceMAHLE INT GMBH·Filed 2017·Granted May 28, 2019·0 cites·20 claims
- 2044US9932927B2Cylinder head coverMAHLE INT GMBH·Filed 2014·Granted Apr 3, 2018·0 cites·20 claims
- 2144US8573188B2Cylinder head of an internal combustion engineBRAUN MIRKO·Filed 2007·Granted Nov 5, 2013·1 cites·4 claims
- 2239US8960170B2Internal combustion engineGOERLICH LESZEK·Filed 2012·Granted Feb 24, 2015·0 cites·18 claims
- 2334US9175636B2Cylinder head coverDUNSCH ROBERT·Filed 2008·Granted Nov 3, 2015·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →