Inventor
BLUM RALF
DE6 patents
⚠️ This page may combine multiple inventors who share the name “BLUM RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANN & HUMMEL GMBH
4 patentsUS7390407B2Jun 24, 2008
Liquid filter
MANN & HUMMEL GMBH49 citations95
US7608184B2Oct 27, 2009
Liquid filter
MANN & HUMMEL GMBH12 citations83
US10456716B2Oct 29, 2019
Liquid filtering device
MANN & HUMMEL GMBH2 citations60
US10532309B2Jan 14, 2020
Antimicrobial filter medium and cabin air filter
MANN & HUMMEL GMBH1 citations51