Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Froitzheim0
Heinrich Engländer0
Date of Patent
August 29, 2006
Patent Application Number
10415029
Date Filed
August 9, 2001
Patent Citations Received
Patent Primary Examiner
Patent abstract
A mechanical vacuum pump includes a rotor made of a light metal alloy by powder metallurgy. The powder metallurgy increases the resistance of the rotor to heat and creep.
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