The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2023
Filed:
Aug. 04, 2017
3m Innovative Properties Company, St. Paul, MN (US);
Jonathan B. Arthur, Hudson, WI (US);
Karl W. Bloedorn, Minneapolis, MN (US);
Jayant Chakravarty, Woodbury, MN (US);
Gene B. Portelli, Lake Elmo, MN (US);
Dennis M. Glass, Cottage Grove, MN (US);
Michael A. Meis, Stillwater, MN (US);
Lyle L. Luppes, Rosemount, MN (US);
Daniel W. Hennen, Cottage Grove, MN (US);
Douglas D. Fletcher, Woodbury, MN (US);
Eric O. Hemberg, Shatin, HK;
Oscar M. Hemberg, Dalarö, SE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Devices, systems and methods for obtaining data representative of the condition of an air filter media of an air filter installed in a powered air-handling system, and for using such data to present an indication of the air filter media condition to a user. The devices, systems and methods use pressure information representative of at least a downstream pressure of the powered air-handling system.