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. 18, 2021
Filed:
Nov. 11, 2015
Applicant:
Sanoh Industrial Co., Ltd., Tokyo, JP;
Inventors:
Norio Kobayashi, Koga, JP;
Kazuhiko Nakazato, Koga, JP;
Assignee:
SANOH INDUSTRIAL CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16L 43/00 (2006.01); F16L 9/00 (2006.01); B21D 7/025 (2006.01);
U.S. Cl.
CPC ...
F16L 43/005 (2013.01); B21D 7/025 (2013.01); F16L 9/006 (2013.01);
Abstract
A metal pipe including a curved portion produced by bending in which a plurality of non-bending surfaces and a plurality of bent portions at which the non-bending surfaces are connected in a bending manner are provided on a circumferential surface on an inside of a center of a curvature side of the curved portion is provided.
Kobayashi, Norio. (2021). Pipe, die, and method for manufacturing pipe (U.S. Patent No. 11009169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11009169
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile