Assignee
KOLLOTZEK HELMUT
DE·3 granted patents·11 citations·filing 2008–2012
Top patents by PatentIndex Score
3 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
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →