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. 29, 2019
Filed:
Jul. 26, 2016
Applicant:
David A. Collins, Downers Grove, IL (US);
Inventor:
David A. Collins, Downers Grove, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 3/06 (2006.01); B21D 53/78 (2006.01); F01D 5/14 (2006.01); B21D 25/02 (2006.01);
U.S. Cl.
CPC ...
F03D 3/062 (2013.01); B21D 25/02 (2013.01); B21D 53/78 (2013.01); F01D 5/14 (2013.01); F03D 3/061 (2013.01); F05B 2220/706 (2013.01); F05B 2230/00 (2013.01); F05B 2230/50 (2013.01); F05B 2240/211 (2013.01); F05B 2250/25 (2013.01); Y02E 10/74 (2013.01); Y02P 70/523 (2015.11); Y10T 29/49336 (2015.01);
Abstract
A sheet metal blank is formed into a helical turbine blade by stretching an outer portion of the blank by creating indents and detents thereon. Then the stretched side is flattened and the stretched structure is formed into a helical shape.
Collins, David. (2019). Method for continuously making a helical type curved shaped turbine blade (U.S. Patent No. 10458390). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10458390
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile