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:
Apr. 14, 2009
Filed:
Oct. 30, 2007
Applicants:
Yuhong Wang, Shanghai, CN;
Ying-hao Zhang, Shanghai, CN;
Inventors:
Yuhong Wang, Shanghai, CN;
Ying-Hao Zhang, Shanghai, CN;
Assignee:
TG Tools United Company, St. Charles, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K 5/04 (2006.01); B23B 51/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A twist drill for use, predominantly by non-professional do-it-yourself workers incorporates a flute architecture with an internal ridge for promoting the break up of chips into short length components. The tip of the twist drill includes an axial relief construction for improved performance across a wide variety of materials, and a highly sloped face for prompting transport of chips away from the drill tip.
Quick Actions:
Wang, Yuhong. (2009). Two-flute twist drill (U.S. Patent No. 7516686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7516686
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile