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:
May. 14, 2013
Filed:
Jun. 25, 2010
Applicant:
Maria M. O'connell, Cypress, TX (US);
Inventor:
Maria M. O'Connell, Cypress, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 55/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mandrel is formed with a projection, depression or a surface irregularity to retain the seal material sealing a passage in the mandrel or an annular space around it against differential pressure. The material can be a shape memory or swelling material.