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:
Dec. 16, 2025
Filed:
Nov. 25, 2020
Applicant:
Blueair Ab, Stockholm, SE;
Inventors:
Lars Henrik Dunberger, Stockholm, SE;
Lars Johan Wilhelm Hadding Delin, Stockholm, SE;
Jelena Radic, Stockholm, SE;
Assignee:
Blueair AB, Stockholm, SE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 11/72 (2018.01); F24F 8/10 (2021.01); F24F 8/30 (2021.01); F24F 110/30 (2018.01); F24F 110/64 (2018.01);
U.S. Cl.
CPC ...
F24F 11/72 (2018.01); F24F 8/10 (2021.01); F24F 8/30 (2021.01); F24F 2110/30 (2018.01); F24F 2110/64 (2018.01);
Abstract
A method for indicating to a user the expected time for an air purifier to achieve a target level of pollution in a room by: