Inventor · disambiguated record
Helmut Kollotzek
Also filed as: KOLLOTZEK HELMUT
7 granted patents·2 pending applications·69 citations·filing 1994–2012
84Inventor score
Top patents by PatentIndex Score
9 records- 0177US8079403B2Casting core for forming a cooling channelKOLLOTZEK HELMUT·Filed 2009·Granted Dec 20, 2011·6 cites·4 claims
- 0272US8122935B2Casting core for forming a cooling channel in a piston produced by castingKOLLOTZEK HELMUT·Filed 2008·Granted Feb 28, 2012·4 cites·3 claims
- 0367US8733315B2Casting core for forming a cooling channel in a pistonKOLLOTZEK HELMUT·Filed 2012·Granted May 27, 2014·1 cites·20 claims
- 0467US7900551B2Piston for an internal combustion engineMAHLE INT GMBH·Filed 2006·Granted Mar 8, 2011·6 cites·5 claims
- 0566US7921555B2Piston for an internal combustion engine and method for its productionMAHLE INT GMBH·Filed 2006·Granted Apr 12, 2011·6 cites·6 claims
- 0665US5746169ALight-metal piston for highly stressed internal combustion enginesMAHLE GMBH·Filed 1995·Granted May 5, 1998·28 cites·11 claims
- 0759US5653156ALight metal piston for highly stresses internal combustion enginesMAHLE GMBH·Filed 1994·Granted Aug 5, 1997·18 cites·12 claims
- 0841US2011174245A1Cooling duct for a piston of a combustion engineMAHLE INT GMBH·Filed 2009·Application pending·0 cites
- 0933US2011155091A1Inlay part for a piston of an internal combustion engine and piston or piston head provided with the inlay partMAHLE INT GMBH·Filed 2009·Application pending·0 cites
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