Eccentric screw pump equipped with erosion-resistant rotor

United States of America Patent

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Mar 22, 2011
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Jun 21, 2007
app pub date
Aug 14, 2004
filing date
Aug 22, 2003

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Abstract

An eccentric screw pump or an eccentric screw motor has a rotor formed from at least a tubular jacket with at least two layers. The outer layer of the jacket consists of a material that is abrasion-resistant and/or corrosion-resistant.

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Patent Owner	Address
WILHELM KACHELE GMBH	JAHNSTRASSE 9 WEILHEIM/TECK 73235

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Inventor Name	Address	# of filed Patents	Total Citations
Kachele, Bruno	Weilheim/Teck, DE	5	49

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Eccentric screw pump equipped with erosion-resistant rotor

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United States of America Patent

10569247

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PATENT NO	7909591
APP PUB NO	20070140882A1
SERIAL NO	10569247
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 22, 2011	US,7909591,B2 US7909591B2	GRANTED PATENT AS SECOND PUBLICATION
June 21, 2007	US,20070140882,A1 US20070140882A1	FIRST PUBLISHED PATENT APPLICATION

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10569247

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