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US Patent 8170809 Guided waves for nondestructive testing of pipes

Patent 8170809 was granted and assigned to Fbs, Inc. on May, 2012 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

Fbs, Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8170809

Date of Patent

May 1, 2012

Patent Application Number

12271412

Date Filed

November 14, 2008

Patent Primary Examiner

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Tung S Lau

Patent abstract

A method for the nondestructive testing of pipeline, and internal or external coatings, using guided ultrasonic waves excited from the inside or outside diameter, wherein at least two transducers are employed to send and receive ultrasound, wherein a data normalization scheme is employed to account for transducer variability, and wherein the hardware arrangement has a number of pulser channels and a number of receiver channels for the collection and storage of signals.