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US Patent 7490381 Tube scraper

Patent 7490381 was granted and assigned to Goodway Technologies on February, 2009 by the United States Patent and Trademark Office.

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Patent attributes

Current Assignee

Goodway Technologies

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Joseph J Franzino0

Date of Patent

February 17, 2009

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Patent Application Number

115000560

Date Filed

August 7, 2006

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Patent Primary Examiner

David B. Thomas

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Patent abstract

A tube scraper for removing deposits from the interior surface of heat exchange tubes, the scraper being fitted with a set of diverging scraper blade arms mounted on an arbor in nested relationship such that scraper blades have overlapping scraping edges.

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