US Patent 7226277 Pump and method

Patent 7226277 was granted and assigned to Pratt & Whitney Canada on June, 2007 by the United States Patent and Trademark Office.

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Patent Number

Date of Patent

June 5, 2007

Patent Application Number

11017797

Date Filed

December 22, 2004

Patent Primary Examiner

Patent abstract

A pump for moving a liquid including stator and a permanent magnet rotor which rotates to move at least one a helical pumping member.

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