Inventor

FISCHER HELMUTH

DE4 patents

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

MANN & HUMMEL FILTER

2 patents

US6620090B2Sep 16, 2003

Free-jet centrifuge for cleaning lubricant oil with reduced run-on times

MANN & HUMMEL FILTER9 citations70

US4948549AAug 14, 1990

Process for producing soot filter elements

MANN & HUMMEL FILTER6 citations56

MANN & HUMMEL GMBH

1 patent

US7913488B2Mar 29, 2011

Internal combustion engine with secondary air injection system

MANN & HUMMEL GMBH7 citations76

VER DRAHTSEILWERKE GMBH

1 patent

US4809492AMar 7, 1989

Torsionally balanced wire rope or cable

VER DRAHTSEILWERKE GMBH13 citations65