Multiple extruder configuration

United States of America Patent

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Mar 28, 2006
Grant Date
Mar 31, 2005
app pub date
Dec 5, 2002
filing date
Dec 7, 2001

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Expired

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Abstract

The invention concerns a multiple-extruder configuration in which two co-rotating twin-screw extruders and a counter-rotating twin screw extruder are connected to each other with respect to the flow of material.

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Patent Owner(s)

Patent Owner	Address
BERSTORFF GMBH	30625 HANNOVER

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B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Uphus, Reinhard	Hannover, DE	16	64

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Multiple extruder configuration

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10497377

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PATENT NO	7017732
APP PUB NO	20050069601A1
SERIAL NO	10497377
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 28, 2006	US,7017732,B2 US7017732B2	GRANTED PATENT AS SECOND PUBLICATION
March 31, 2005	US,20050069601,A1 US20050069601A1	FIRST PUBLISHED PATENT APPLICATION

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10497377

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