Inventor

SONNTAG DIETMAR

DE4 patents

⚠️ This page may combine multiple inventors who share the name “SONNTAG DIETMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KNECHT FILTERWERKE GMBH

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

MAHLE GMBH

1 patent

US5516425AMay 14, 1996

Oil filter for the cleaning of lubricating oil

MAHLE GMBH49 citations88

ELWEMA AUTOMOTIVE GMBH

1 patent

US11815261B2Nov 14, 2023

Steam generator, and system for steam cleaning workpieces

ELWEMA AUTOMOTIVE GMBH2 citations64