Inventor

GUNTERT DIETWART

DE2 patents

Patents

2 patents

US5589060ADec 31, 1996

Filter for liquids, in particular internal-combustion engine lubricant oils

KNECHT FILTERWERKE GMBH62 citations93

US5698097ADec 16, 1997

Oil filter including replaceable primary and secondary flow filter elements

KNECHT FILTERWERKE GMBH29 citations89