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. 03, 2018
Filed:
Jul. 17, 2015
Applicant:
Bly Ip Inc., Salt Lake City, UT (US);
Inventors:
Christopher L. Drenth, Burlington, CA;
Jeff Hogan, Brampton, CA;
Assignee:
BLY IP INC., Salt Lake City, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/00 (2006.01); E21B 17/20 (2006.01); E21B 17/042 (2006.01); F16L 15/00 (2006.01); F16L 9/02 (2006.01);
U.S. Cl.
CPC ...
E21B 17/00 (2013.01); E21B 17/042 (2013.01); E21B 17/20 (2013.01); F16L 15/006 (2013.01); F16L 9/02 (2013.01);
Abstract
A threaded drill string component having a hollow elongate body with a box end portion, an opposing pin end portion and a cylindrical mid-body portion that extends longitudinally between the respective box and pin end portions and has a variable wall diameter. The mid-body inner wall of the mid-body portion has at least one projecting portion or upset that is spaced from both the box and pin end portions and extends inwardly toward a central longitudinal axis of the hollow body and a plurality of troughs defined in the mid-body inner wall of the mid-body portion.