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:
Apr. 28, 2026
Filed:
Jun. 07, 2022
Calb Co., Ltd., Jiangsu, CN;
Jiuling Xu, Changzhou, CN;
Jiyu Bi, Changzhou, CN;
Lulu Zhang, Changzhou, CN;
Yuyang Shen, Changzhou, CN;
CALB Co., Ltd., Jiangsu, CN;
Abstract
A battery and a battery apparatus are provided. The battery pack includes a cover plate, an explosion-proof valve, and a protective patch. The explosion-proof valve is arranged on the cover plate. The protective patch is arranged on an outer side of the cover plate. A sealed chamber is formed between the explosion-proof valve and the protective patch, and a notch penetrating through the protective patch is arranged on the protective patch in a thickness direction, such that when a predetermined pressure is applied, the sealed chamber communicates with an outside through the notch. The notch has a total length of a and the protective patch has a thickness of b, where 5≤a/b≤100 and 0.01 mm≤b≤1.2 mm, and the protective patch has a tensile strength of c, where c/b=xb.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile