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:
Jan. 27, 2026
Filed:
Jan. 07, 2022
Daicel Corporation, Osaka, JP;
Tomohide Fujiwara, Tokyo, JP;
Katsuya Tone, Tokyo, JP;
DAICEL CORPORATION, Osaka, JP;
Abstract
An electric circuit breaker device includes: an igniter provided to a housing; a projectile disposed in an accommodating space formed in the housing, the projectile being configured to be projected along the accommodating space by energy received from the igniter; a conductor piece forming a portion of an electric circuit, and includes a cutoff portion crossing the accommodating space and configured to be cut off by the projectile that moves by the energy received from the igniter; a coolant material disposed in an arc-extinguishing region and positioned within the accommodating space while opposing the projectile prior to actuation of the igniter with the cutoff portion interposed between the arc-extinguishing region and the projectile, and configured to receive the cutoff portion cut off by the projectile; and a resin material disposed in the accommodating space and configured to be modified by heat associated with actuation of the igniter.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile