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:
Nov. 03, 2026
Filed:
May. 26, 2023
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
A battery cell may comprise: a case having an opening; an end cover assembly for closing the opening, wherein the end cover assembly may be provided with a liquid injection hole, and the liquid injection hole may comprise a first hole segment; a rivet, comprising a nail cap and a nail body, wherein the nail body may pass through the first hole segment, and the nail cap may be located on the side of the first hole segment away from the interior of the case; and a sealer, disposed between the nail cap and the end cover assembly, for sealing the first hole segment.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile