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.

Date of Patent:
Dec. 19, 2017

Filed:

Nov. 01, 2013
Applicant:

Sunstone Technologies, Llc, Oklahoma City, OK (US);

Inventors:

William James Hughes, Highlands Ranch, CO (US);

Bryan Lane, Houston, TX (US);

Gary Marshall Briggs, Houston, TX (US);

Assignee:

SUNSTONE TECHNOLOGIES, LLC, Oklahoma City, OK (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/046 (2006.01); E21B 17/04 (2006.01); E21B 17/02 (2006.01); E21B 17/042 (2006.01);
U.S. Cl.
CPC ...
E21B 17/046 (2013.01); E21B 17/028 (2013.01); E21B 17/04 (2013.01); E21B 17/042 (2013.01); Y10T 137/0447 (2015.04);
Abstract

An apparatus comprises a first number of splines located near a first end of a first joint section and a second number of splines located near a second end of a second joint section. The first number of splines extends in an axial direction of the first joint section and spans a circumferential surface of the first joint section. Each of the first number of splines has a base, a tip, and a pair of flanks that extends from the base to the tip and forms an acute angle. Each of the first number of splines are configured to be received between adjacent pairs of splines in the second number of splines as the first end of the first joint section and the second end of the second joint section are joined.


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