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The Stnadard Oil Company Patents
The Stnadard Oil Company
Cleveland, OH
No. of patents:

Patent Number Title Of Patent Date Issued
4953147 Measurement of corrosion with curved ultrasonic transducer, rule-based processing of full echo w August 28, 1990
An acoustic transducer having a curved surface to match the inner or outer surfaces of a target surface such as a cylindrical borehole tubular is disclosed. A sequence of excitation pulses causes the transducer to launch a series of high-frequency, short duration acoustic energy pulses t

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