USPTO Patent Grant for Battery Pack Protection

ChangeBridge: Patent Grants - Batteries (H01M)

Published March 24th, 2026

Detected March 25th, 2026

Summary

The USPTO has granted a patent (US12586823B2) to DEXERIALS CORPORATION for a battery pack protection device. The invention aims to prevent floating of blowout members and deformation of meltable conductors, maintaining current capacity and blowout properties.

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What changed

The United States Patent and Trademark Office (USPTO) has issued patent US12586823B2 to DEXERIALS CORPORATION for a novel battery pack protection device. The patent describes a system incorporating a meltable conductor and a blowout member, designed to prevent deformation and maintain specific electrical properties, thereby enhancing device and battery pack safety and reliability.

This patent grant represents a new intellectual property asset for DEXERIALS CORPORATION. While not a regulatory mandate for other entities, it signifies an advancement in battery technology that may influence future industry standards or product designs. Compliance officers in the battery manufacturing sector should be aware of such technological developments as they may impact competitive landscapes and product innovation strategies.

Source document (simplified)

← USPTO Patent Grants

Protecting device and battery pack

Grant US12586823B2 Kind: B2 Mar 24, 2026

Assignee

DEXERIALS CORPORATION

Inventors

Yuji Kimura, Chisato Komori, Koichi Mukai

Abstract

Provided are a protecting device and a battery pack capable of preventing floating of a blowout member, preventing deformation of a meltable conductor, and maintaining predetermined current capacity and blowout properties. The protecting device 1 includes: a meltable conductor 2; and a blowout member 4 connected to one surface of the meltable conductor 2, wherein the blowout member 4 includes: an insulating substrate 3; and a deformation suppressing electrode 5 formed on a front surface 3a connected to the meltable conductor 2 of the insulating substrate 3 and connected to the meltable conductor 2 to suppress deformation of the meltable conductor 2.