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:
Jun. 16, 2026
Filed:
Aug. 08, 2023
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
Guangda Shi, Ningde, CN;
Ying Li, Ningde, CN;
Jinghao Guo, Ningde, CN;
Yazhi Cai, Ningde, CN;
Qingkui Chi, Ningde, CN;
Libin Zhong, Ningde, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
A top cover assembly includes a top cover, a connecting element, and a pressure relief valve. The top cover is configured to be connected to a case of the battery cell and provided with a through hole. The connecting element is arranged on the top cover and provided with an installation hole communicating with the through hole and a first channel extending to the outside from a hole wall of the installation hole. An opening, communicating with the outside, of the first channel is provided with a first gas permeable membrane. The pressure relief valve is arranged in the installation hole, is configured to slide in the installation hole under a pressure, and is provided with a second channel.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile