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:
Oct. 27, 2026

Filed:

Aug. 08, 2025
Applicant:

Shenzhen Jisu Technology Co., Ltd., Shenzhen, CN;

Inventors:

Jiahang Xie, Shenzhen, CN;

Guanzheng Zheng, Shenzhen, CN;

Xiangfu Li, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 25/16 (2006.01); A61F 7/00 (2006.01); F04D 29/42 (2006.01); F04D 25/06 (2006.01); F04D 29/00 (2006.01);
U.S. Cl.
CPC ...
F04D 25/166 (2013.01); F04D 29/4213 (2013.01); F04D 29/424 (2013.01); F04D 29/4246 (2013.01); A61F 2007/0011 (2013.01); A61F 2007/0067 (2013.01); F04D 25/0673 (2013.01); F04D 29/005 (2013.01);
Abstract

A neck fan is worn around a neck of a user. The neck fan includes: a housing, defining an inner space and a plurality of air outlets; a plurality of fan assemblies, received in the inner space and located at two free ends of the housing; and a partition plate, received in the inner space and dividing the inner space to form an air duct communicating with the plurality of air outlets. The air duct is extending from the two free ends of the housing towards a rear portion of the housing, the rear portion of the housing corresponds to a rear side of the neck of the user. A cross-sectional area of the air duct decreases along a direction extending away from the two free ends towards the rear portion of the housing.


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Xie, Jiahang. (2026). Neck fan (U.S. Patent No. 12774706). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774706

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