Patent · US Active

Filter medium

US11014038B2 · kind B2 · utility

0Cited by

1References

6Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Christoph Hitzke · Bamberg, DE
Matthias Heinzmann · Bayreuth, DE
Christoph Krautner · Marklkofen, DE
Thomas Pemsel · Ludwigsburg, DE

Key dates

Filing date	Jun 28, 2018
Grant date	May 25, 2021
Priority date	—
Expiry date	Dec 18, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2259/4566
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention describes a filter medium (10), in particular for an air filter, in particular an interior air filter or for a fuel cell, including at least three active layers: The invention further discloses a filter media body including the filter medium; a filter element including the filter media body or the filter medium; an air filter including the filter element or the filter media body or the filter medium, and a production method for producing the filter medium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.