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. 30, 2026
Filed:
Jun. 09, 2021
Fuji Filter Manufacturing Co., Ltd., Tokyo, JP;
Toshiaki Takano, Tokyo, JP;
FUJI FILTER MANUFACTURING CO., LTD., Tokyo, JP;
Abstract
The retainer includes a first metal plate memberA orA in which flow-path forming members having a predetermined curved shape or a linear shape are arranged on the same plane in parallel to each other at a predetermined interval to form a donut shape as a hole, and a second metal plate memberB orB having a configuration equivalent to that of the first metal plate member, wherein crossings of the flow-path forming members configuring the respective metal plate members are fixed with the second metal plate member stacked on the first metal plate member, and the flow-path forming membersA orA configuring the first metal plate member and the flow-path forming membersB orB configuring the second metal plate member form a line symmetric shape in plan view.