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:
Sep. 08, 2026
Filed:
Oct. 15, 2021
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Miho Sasaki, Tokyo, JP;
Tomohiro Sasaki, Tokyo, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Abstract
A valve structure for a power storage device includes a passage that communicates the interior of a container housing a power storage device element with the exterior of the container, and a check valve disposed to block the passage and configured to open when the internal pressure of the container increases due to gas produced inside the container and pass the gas from the internal side of the container to the external side, the check valve including a valve seat and a valve body, and the valve structure including a liquid disposed to come in contact with the valve seat and the valve body.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile