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:
Mar. 24, 2015
Filed:
Apr. 11, 2013
Applicant:
Hydril Company, Houston, TX (US);
Inventors:
David Llewellyn Mallis, The Woodlands, TX (US);
Gary Wayne Ward, Conroe, TX (US);
Assignee:
Hydril Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 11/00 (2006.01); F16L 15/00 (2006.01); F16L 15/06 (2006.01);
U.S. Cl.
CPC ...
B23P 11/00 (2013.01); F16L 15/002 (2013.01); F16L 15/06 (2013.01);
Abstract
A threaded connection includes a pin member comprising a first pin step and a second pin step, and pin wedge threads disposed on each of the first and second pin steps and a box member comprising a first box step and a second box step, and box wedge threads disposed on each of the first and second box steps, wherein an axial separation of the first and second pin steps differs from an axial separation of the first and second box steps.