Assignee
ESSER JOHANNES
DE·3 granted patents·1 pending application·16 citations·filing 2008–2011
Top patents by PatentIndex Score
4 records- 0174US8973262B2Method for producing a piston ringESSER JOHANNES·Filed 2011·Granted Mar 10, 2015·5 cites·7 claims
- 0274US8235393B2Piston ringESSER JOHANNES·Filed 2008·Granted Aug 7, 2012·8 cites·4 claims
- 0362US8430410B2Piston ringESSER JOHANNES·Filed 2008·Granted Apr 30, 2013·3 cites·13 claims
- 0445US2010117304A1Piston ringESSER JOHANNES·Filed 2008·Application pending·0 cites
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