Assignee

ESSER JOHANNES

DE3 patents

Top patents by PatentIndex Score

US8235393B2Aug 7, 2012

Piston ring

ESSER JOHANNES8 citations77

US8973262B2Mar 10, 2015

Method for producing a piston ring

ESSER JOHANNES5 citations66

US8430410B2Apr 30, 2013

Piston ring

ESSER JOHANNES3 citations51