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. 23, 2018
Filed:
Dec. 02, 2016
Applicant:
Tejas Tubular Products, Inc., Houston, TX (US);
Inventors:
Maximo Tejeda, Houston, TX (US);
Maximo Tejeda, Jr., Houston, TX (US);
Terry Dobson, Jr., Houston, TX (US);
G. Leon Starnes, Houston, TX (US);
Assignee:
Tejas Tubular Products, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 15/00 (2006.01); E21B 17/042 (2006.01);
U.S. Cl.
CPC ...
F16L 15/001 (2013.01); E21B 17/042 (2013.01);
Abstract
A casing coupling has a taper which is different from the taper of a standard API Pin. The coupling has a thread pitch diameter which is increased relative to that of a standard API coupling but which still mates with a standard API pin.