Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 22, 2007
Patent Application Number
11267771
Date Filed
November 4, 2005
Patent Primary Examiner
Patent abstract
A vacuum heater assembly for heating fluids flowing within; the assembly comprises an inner member having a heating surface with an average cross-sectional area with an aspect ratio of at least 2. The inner member is disposed within an outer member and with a vacuum drawn in the space between the inner member and the outer member, the heat transfers toward the center of the inner member, heating the fluids flowing within.
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