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. 23, 2026
Filed:
Feb. 16, 2022
Lg Energy Solution, Ltd., Seoul, KR;
Jung Hyun Park, Daejeon, KR;
Tae Su Kim, Daejeon, KR;
Beom Seok Lee, Daejeon, KR;
Hyuk Soo Lee, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
An arc welding device for a secondary battery according to an embodiment of the present invention includes an upper fixing portion in which a plurality of welding electrode units connected to one pole of a welding power are disposed and a lower fixing portion disposed to face the upper fixing portion with an object to be welded therebetween and connected to the other pole of the welding power. The upper fixing portion includes a first facing surface facing the object to be welded and formed to be concave toward the object to be welded and the lower fixing portion includes a second facing surface facing the first facing face and formed to be convex to correspond to the concave shape of the first facing surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile