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. 26, 2014
Filed:
Sep. 25, 2009
Olav Espejord, Trondheim, NO;
Olav Espejord, Trondheim, NO;
Roxar Flow Measurement AS., Stavanger, NO;
Abstract
Method and device for monitoring a zone of a metal structure in terms of its electrical resistance in order to detect possible defects in the structure, by periodically passing current through the zone in different directions while measuring and recording voltage drops in a number of selected unit areas (a) within the zone, and by combining, for each unit area (a), at least two measured values recorded during at least two measurements made with current passing in different directions, and by comparing values obtained by at least one similarly obtained value made earlier.
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