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. 25, 2025
Filed:
Aug. 05, 2020
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Brian D. Gale, Blaine, MN (US);
Andrew R. Fox, Oakdale, MN (US);
Alonso M. Hernandez, Minneapolis, MN (US);
Nicolas W. Tremain, Roseville, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 8/80 (2021.01); F24F 13/28 (2006.01);
U.S. Cl.
CPC ...
F24F 8/80 (2021.01); F24F 13/28 (2013.01);
Abstract
A powered room air purifier including a non-movable air filter holder. The room air purifier may include at least one guide ramp located at an upper end of the air filter holder. An air filter may be installed into the air filter holder by a combination of translational and rotational movement of the air filter.