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. 10, 2026

Filed:

Sep. 07, 2022
Applicant:

Shenzhen Silver Star Intelligent Group Co., Ltd, Shenzhen, CN;

Inventor:

Jiancong Zhao, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 11/40 (2006.01);
U.S. Cl.
CPC ...
A47L 11/4016 (2013.01);
Abstract

A sewage storage tank, including: a tank body and a barrier. The tank body defines therein a suction port and an intake port. The suction port is configured to communicate with a suction fan arranged outside the sewage storage tank, to enable the suction fan to suction air from the tank body via the suction port and to generate a negative pressure at the intake port, such that sewage outside the tank body is suctioned into the tank body via the intake port under the negative pressure. The barrier structure is arranged inside the tank body and located in a flow path between the intake port and the suction port, so as to block the sewage having entered the intake port from moving towards the suction port. A cleaning robot is further provided. The cleaning robot includes the sewage storage tank.


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Zhao, Jiancong. (2026). Sewage storage tank and cleaning robot (U.S. Patent No. 12543911). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12543911

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