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:
Aug. 02, 2011
Filed:
Jan. 21, 2010
Applicants:
David Llewellyn Mallis, The Woodlands, TX (US);
Harris A. Reynolds, Jr., Houston, TX (US);
Inventors:
David Llewellyn Mallis, The Woodlands, TX (US);
Harris A. Reynolds, Jr., Houston, TX (US);
Assignee:
Hydril Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A threaded pipe connection includes a pin member having an external thread increasing in width in one direction, a box member having an internal thread increasing in width in an opposite direction so that complementary internal and external threads move into engagement upon make-up of the connection, and at least one contact zone in which the pin member and box member are in sealed contact.