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:
Aug. 30, 2022
Filed:
Jun. 04, 2021
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Nitsan Ben-Gal Nguyen, Apple Valley, MN (US);
Saber Taghvaeeyan, Maple Grove, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 11/39 (2018.01); F24F 11/61 (2018.01); F24F 11/38 (2018.01); F24F 11/63 (2018.01); F24F 120/10 (2018.01); F24F 11/64 (2018.01); F24F 110/10 (2018.01);
U.S. Cl.
CPC ...
F24F 11/39 (2018.01); F24F 11/38 (2018.01); F24F 11/61 (2018.01); F24F 11/63 (2018.01); F24F 11/64 (2018.01); F24F 2110/10 (2018.01); F24F 2120/10 (2018.01);
Abstract
Systems and methods for estimating a replacement status of an air filter in an HVAC system, based on obtaining data correlated with the temperature of air outputted by the HVAC system as a function of time.