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:
Feb. 17, 2026

Filed:

Jan. 28, 2022
Applicant:

Coway Co., Ltd., Gongju-si, KR;

Inventors:

Yoon Hyuck Choi, Seoul, KR;

Hyun Kyu Lee, Seoul, KR;

Jong Cheol Kim, Seoul, KR;

Seung Ki Kim, Seoul, KR;

Sung Sil Kang, Seoul, KR;

Ju Hyun Baek, Seoul, KR;

Chan Jung Park, Seoul, KR;

Assignee:

COWAY CO., LTD., Gongju-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/62 (2022.01); B01D 39/20 (2006.01); B01D 46/00 (2022.01); B01D 46/30 (2006.01); F24F 8/108 (2021.01);
U.S. Cl.
CPC ...
B01D 46/62 (2022.01); B01D 46/0005 (2013.01); B01D 46/0006 (2013.01); B01D 46/30 (2013.01); F24F 8/108 (2021.01); B01D 39/2072 (2013.01);
Abstract

An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.


Find Patent Forward Citations

Choi, Yoon. (2026). Air filter and air purifier comprising same (U.S. Patent No. 12551836). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12551836

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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