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:
Oct. 13, 2026
Filed:
Mar. 24, 2023
Applicant:
Dowa Thermotech Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
DOWA THERMOTECH CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 8/22 (2006.01);
U.S. Cl.
CPC ...
C23C 8/22 (2013.01);
Abstract
A vacuum carburizing furnace includes: a heating chamber in which a vacuum carburizing treatment is performed on a workpiece to be charged from outside the furnace; and a charging port for the workpiece, the charging port provided at a bottom portion of the heating chamber.
Quick Actions:
Shibata, Daiki. (2026). Vacuum carburizing furnace and vacuum carburizing treatment method (U.S. Patent No. 12760402). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12760402
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile