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:
Apr. 04, 2023
Filed:
Dec. 07, 2021
3m Innovative Properties Company, St. Paul, MN (US);
Jonathan B. Arthur, Hudson, WI (US);
Karl W. Bloedorn, Menlo Park, CA (US);
Jayant Chakravarty, Woodbury, MN (US);
Gene B. Portelli, Lake Elmo, MN (US);
Dennis M. Glass, Cottage Grove, MN (US);
Michael A. Meis, Cushing, 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
An air filter includes filter media, a sensor, and circuitry coupled to the sensor, the circuitry configured to receive data from the sensor representative of the condition of the filter media and wirelessly transmit such data. The data may be received by a device with a display to use the information to present an indication of the filter media condition to a user.