US Patent 7097431 Mechanical kinetic vacuum pump
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Patent Inventor Names
Heinrich Engländer0
Michael Froitzheim0
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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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US Patent 07097431 Mechanical kinetic vacuum pump US Patent 7097431 Mechanical kinetic vacuum pump
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Patent Number
07097431
Patent Number
7097431
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US Patent 07097431 Mechanical kinetic vacuum pump
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Is a
Patent jurisdiction
Patent number
07097431
Date of patent
August 29, 2006
Patent application number
10415029
Date Filed
August 9, 2001
Patent primary examiner
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