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:
Feb. 05, 2013
Filed:
May. 14, 2007
Applicants:
Takahiro Noguchi, Yawata, JP;
Tatsushi Ito, Hirakata, JP;
Fumiaki Kawahara, Hirakata, JP;
Inventors:
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 39/08 (2006.01); B21C 37/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pipe expanding device inserts a pipe expanding punch into an opening end portion of a steel pipe with a special shape in the state where the opening end portion of the steel pipe with a special shape is pressed in an insertion direction of the punch.
Noguchi, Takahiro. (2013). Pipe expanding method and pipe expanding device for steel pipe (U.S. Patent No. 8365571). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8365571
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile