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US Patent 7772530 Induction heat treatment of workpieces

Patent 7772530 was granted and assigned to Inductotherm Corp. on August, 2010 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
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Inductotherm Corp.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
77725300
Patent Inventor Names
Oleg S. Fishman0
Kuno Weiss0
Date of Patent
August 10, 2010
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Patent Application Number
117607720
Date Filed
June 10, 2007
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Patent Primary Examiner
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Daniel Robinson
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Patent abstract

An apparatus and process are provided for induction heating of a workpiece. The workpiece is moved through an inductor to inductively heat treat the workpiece with electric power of varying frequency and duty cycle or amplitude control to control the magnitude of electric power as the frequency changes. Alternatively the workpiece may be stationary and the inductor can be moved along the workpiece, or combined and coordinated movement of both the workpiece and inductor can be used.

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