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:
Sep. 08, 2026
Filed:
Apr. 01, 2022
Applicant:
Beijing Roborock Technology Co., Ltd., Beijing, CN;
Inventor:
Chengyang Wang, Beijing, CN;
Assignee:
Beijing Roborock Technology Co., Ltd., Beijing, CN;
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/10 (2006.01); A47L 9/00 (2006.01); B01D 46/00 (2022.01); B01D 46/16 (2006.01);
U.S. Cl.
CPC ...
B01D 46/103 (2013.01); A47L 9/0063 (2013.01); B01D 46/0005 (2013.01); B01D 46/16 (2013.01); A47L 2201/024 (2013.01); B01D 2265/06 (2013.01); B01D 2271/02 (2013.01); B01D 2279/55 (2013.01);
Abstract
A filtering element, a dust collection pile, and a cleaning system are disclosed. The filtering element includes a frame and a filter screen. The filter screen id disposed on the frame. A receiving groove is formed on the filter screen. The receiving groove includes a first opening, a second opening, and a third opening, wherein the first opening and the second opening are provided opposite to each other, and both ends of the third opening penetrate through the first opening and the second opening.