Patent · US Active

Filter element analysis system and associated methods

US12102953B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Elham Amirnasr · Durham, US
Andreas Scope · Oberschoren, DE
Matthias Heinzmann · Bayreuth, DE

Key dates

Filing date	Dec 21, 2021
Grant date	Oct 1, 2024
Priority date	—
Expiry date	Sep 16, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D46/442
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter media analysis system which utilizes particulate buildup to close notches or breaks provided along a passive circuit, wherein closure of the notches results in an activation of the circuit and transmission at a particular frequency which activation and transmission can be correlated to a life cycle point of the filter media.

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