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:
Jul. 22, 2008
Filed:
Mar. 11, 2005
Applicants:
Joseph Gregory Barolak, Spring, TX (US);
Douglas W. Spencer, Williamsburg, MI (US);
Jerry E. Miller, Traverse City, MI (US);
Bruce I. Girrell, Traverse City, MI (US);
Jason A. Lynch, Buckley, MI (US);
Chris J. Walter, Empire, MI (US);
Inventors:
Joseph Gregory Barolak, Spring, TX (US);
Douglas W. Spencer, Williamsburg, MI (US);
Jerry E. Miller, Traverse City, MI (US);
Bruce I. Girrell, Traverse City, MI (US);
Jason A. Lynch, Buckley, MI (US);
Chris J. Walter, Empire, MI (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/72 (2006.01); G01V 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A casing inspection device with magnets and flux sensors. The sensors provide measurements of absolute levels of magnetic flux that are indicative of changes in casing thickness and/or permeability.