Inventor
WITTMERS CHRISTOPH
DE7 patents
Patents
7 patentsUS11415089B2Aug 16, 2022
Air filter with a primary air outlet and a secondary air outlet as well as filter element therefor
MANN & HUMMEL GMBH2 citations70
US11338237B2May 24, 2022
Hollow filter element, in particular for gas filtration
MANN & HUMMEL GMBH0 citations61
US12558644B2Feb 24, 2026
Filter element for an air filter having a primary air outlet and a secondary air outlet, and an air filter and installation method
MANN & HUMMEL GMBH0 citations59
US10071330B2Sep 11, 2018
Filter element, in particular for gas filtration
MANN & HUMMEL GMBH0 citations51
US10946324B2Mar 16, 2021
Round filter element, in particular for gas filtration
MANN & HUMMEL GMBH0 citations50
US12172114B2Dec 24, 2024
Air filter comprising a primary air outlet and a secondary air outlet and filter element for same
MANN & HUMMEL GMBH0 citations49
US10773201B2Sep 15, 2020
Annular filter element, in particular for gas filtration
MANN & HUMMEL GMBH0 citations40