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. 17, 2022
SK on Co., Ltd., Seoul, KR;
Taek Eon Jeong, Daejeon, KR;
Sang Mo Kim, Daejeon, KR;
Dong Ju Kim, Daejeon, KR;
Jin Go Kim, Daejeon, KR;
Sun Min Park, Daejeon, KR;
Jae Gyu Byun, Daejeon, KR;
SK ON CO., LTD., Seoul, KR;
Abstract
A ventilation device for a secondary battery includes a frame including a first frame and a second frame, and a connector connecting the first frame and the second frame to each other and including a slit portion formed therein. Each of the first frame and the second frame has a facing surface that faces each other, and at least one of the first frame and the second frame includes a ventilation guiding portion recessed from the facing surface, and a ventilation control portion is formed to provide a space between the first frame and the second frame and to be connected to the ventilation guiding portion.