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. 14, 2026
Filed:
Feb. 23, 2023
Toyota Boshoku Kabushiki Kaisha, Aichi-ken, JP;
TOYOTA BOSHOKU KABUSHIKI KAISHA, Aichi-Ken, JP;
Abstract
A fuel cell stack includes single cells stacked in a first direction. Each single cell includes a power generating unit, a first separator, and a second separator. The first separator and the second separator hold the power generating unit between the first separator and the second separator. The first separator of each single cell includes first protrusions that protrude toward the second separator of another single cell that is adjacent in the first direction. The first protrusions are in contact with the second separator. Each of the first protrusions includes a top wall portion and two side wall portions. At least one of the two side wall portions includes a step portion having a shape of a step in the first direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile