Inventor
KOEHNERT HANS-JUERGEN
DE4 patents
Patents
4 patentsUS6698392B1Mar 2, 2004
Single-part cooling channel piston for a combustion engine
MAHLE GMBH25 citations90
US6789460B2Sep 14, 2004
Multipart cooled piston for a combustion engine
MAHLE GMBH16 citations80
US4662326AMay 5, 1987
Cast piston with fiber-reinforcement
MAHLE GMBH18 citations69
US4633764AJan 6, 1987
Aluminum base alloy piston for internal combustion engines with mechanically surface-condensed boss bores
MAHLE GMBH3 citations58