Inventor

HARTMANN MARION

DE4 patents

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

MANN & HUMMEL GMBH

2 patents

US7004986B2Feb 28, 2006

Filter in a filter housing

MANN & HUMMEL GMBH194 citations97

US6918939B2Jul 19, 2005

Filter device

MANN & HUMMEL GMBH26 citations92

MANN & HUMMEL FILTER

2 patents

US6792925B2Sep 21, 2004

Filter device

MANN & HUMMEL FILTER40 citations92

US6884273B2Apr 26, 2005

Multicell cyclone and method for producing it

MANN & HUMMEL FILTER36 citations91