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.

Date of Patent:
Mar. 23, 2021

Filed:

Mar. 24, 2016
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Andrew R. Fox, Oakdale, MN (US);

Liang Cheng, Shanghai, CN;

Weilai Jiang, Woodbury, MN (US);

Yinghua Yang, Shanghai, CN;

Zhijun Yang, Shanghai, CN;

Jie Zhou, Shanghai, CN;

Yixiong Chen, Shanghai, CN;

Xiaodan Chen, Shenzhen, CN;

Pan Liu, Shenzhen, CN;

Ling Chen, Shanghai, CN;

Wenqian Tang, Shanghai, CN;

Liliang Liu, Shanghai, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 3/00 (2006.01); F24F 3/16 (2021.01); F24F 11/56 (2018.01); A61L 9/00 (2006.01); F24F 3/044 (2006.01); F24F 1/02 (2019.01); H04W 4/80 (2018.01); B01D 46/00 (2006.01); B01D 46/42 (2006.01);
U.S. Cl.
CPC ...
F24F 3/1603 (2013.01); A61L 9/00 (2013.01); B01D 46/0086 (2013.01); B01D 46/429 (2013.01); F24F 1/02 (2013.01); F24F 3/044 (2013.01); F24F 3/16 (2013.01); F24F 11/56 (2018.01); H04W 4/80 (2018.02); B01D 2279/50 (2013.01);
Abstract

A room air purifier comprises housing (), air filter (), RFID reader (), RFID tag (), and a wireless communication unit (). A method is how to operating the room air purifier.


Find Patent Forward Citations

Loading…