Micro-filtration

United States of America Patent

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Jun 27, 2006
Grant Date
Dec 5, 2002
app pub date
May 31, 2001
filing date
May 31, 2000

priority date (Note)
Expired

status (Latency Note)

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Abstract

A filter assembly for ultra-filtration of fluids such as waste water comprises a porous tube which is incrementally advanced into the fluid so as to expose a fresh portion periodically and maintain a flow rate over a period of time.

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Patent Owner(s)

Patent Owner	Address
ABB LIMITED	WARRINGTON CHESHIRE WA4 4BT

International Classification(s)

C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Binz, Dieter	Ladenburg, DE	21	197
Coe, David Edward	St. Neots, GB	5	42
Greensted, Charles Lucas	Cheltenham, GB	3	7
Howell, Colin Ernest	St. Neots, GB	2	15
Jamson, Leslie	Cheltenham, GB	2	15
Keeping, Sean Crispian	Shortlands, GB	5	36
Mead, Robert Arthur	Huntingdon, GB	2	9

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Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

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Micro-filtration

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09867743

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PATENT NO	7066336
APP PUB NO	20020179543A1
SERIAL NO	09867743
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 27, 2006	US,7066336,B2 US7066336B2	GRANTED PATENT AS SECOND PUBLICATION
December 05, 2002	US,20020179543,A1 US20020179543A1	FIRST PUBLISHED PATENT APPLICATION

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09867743

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