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:
Jul. 30, 2019
Filed:
Apr. 22, 2016
Koyo Thermo Systems Co., Ltd., Nara, JP;
Hiromi Kakazu, Tenri, JP;
Norihide Fujiyama, Tenri, JP;
Masanori Okumura, Tenri, JP;
Takeshi Ueda, Tenri, JP;
Koyo Thermo Systems Co., Ltd., Nara, JP;
Abstract
A shaft of a stirring fan for a heat treatment apparatus includes a blade fixing portion for fixing a plurality of blades. The blade fixing portion has a cylindrical portion extending in a shaft direction of the shaft. A hole inside the cylindrical portion is open to one end face of the shaft. The stirring fan has a discharge portion for discharging gas inside the cylindrical portion to the outside of the blade fixing portion. The discharge portion is open to the outside of the blade fixing portion, at a position away from the one end face of the shaft.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile