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:
May. 12, 2026
Filed:
Sep. 14, 2021
Ebara Corporation, Tokyo, JP;
Hiroyuki Shinozaki, Tokyo, JP;
Junki Asai, Tokyo, JP;
EBARA CORPORATION, Tokyo, JP;
Abstract
A powder supply apparatus including a container store for storing powder therein, a supply passage for supplying powder to the container, and a valve mechanism that opens and closes the supply passage. The valve mechanism includes a valve main body movable between a first and second position, and a valve seat configured so that the valve main body is seated thereon. The valve main body includes first and second seal portions. The valve seat includes first and second seat portions on which the first and second seal portions are seated, respectively. The valve mechanism defines a space sealingly closed when the first and second seal portions are seated on the first and second seat portions, respectively. The valve mechanism includes an exhaust passage that exhausts gas from the sealingly closed space and a pressure monitoring passage that monitors pressure in the sealingly closed space.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile