Mechanical kinetic vacuum pump

United States of America Patent

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Aug 29, 2006
Grant Date
Jan 22, 2004
app pub date
Aug 9, 2001
filing date
Oct 28, 2000

priority date (Note)
Expired

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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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Patent Owner(s)

Patent Owner	Address
LEYBOLD VAKUUM GMBH	50968 KÖLN

International Classification(s)

F03B:MACHINES OR ENGINES FOR LIQUIDS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Englander, Heinrich	Linnich, DE	26	273
Froitzheim, Michael	Dormagen, DE	9	29

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Mechanical kinetic vacuum pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10415029

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PATENT NO	7097431
APP PUB NO	20040013529A1
SERIAL NO	10415029
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 29, 2006	US,7097431,B2 US7097431B2	GRANTED PATENT AS SECOND PUBLICATION
January 22, 2004	US,20040013529,A1 US20040013529A1	FIRST PUBLISHED PATENT APPLICATION

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10415029

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