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:
Dec. 13, 2011
Filed:
Jan. 28, 2008
Applicants:
George B. Geary, Houston, TX (US);
Eugene J. Mannella, Richmond, TX (US);
Inventors:
George B. Geary, Houston, TX (US);
Eugene J. Mannella, Richmond, TX (US);
Assignee:
GB Tubulars, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F16L 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A threaded casing connection for use in drilling-with-casing operations includes an integral, sacrificial wear sleeve on the downhole end of the coupling which has additional wear protection on portions of its outer wall and leading face.