Methods for cleaning and maintaining membrane surface during filtration

United States of America Patent

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May 12, 2009
Grant Date
Jul 22, 2004
app pub date
Dec 18, 2003
filing date
Dec 19, 2002

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Expired

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Abstract

. One embodiment of the cleaning method involves backwashing the membrane with a permeate and applying the pressurized gas pulses during the filtration and/or backwashing steps of a filtration cycle.

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Patent Owner	Address
HYDRANAUTICS	401 JONES RD OCEANSIDE CA 92058

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B08B:CLEANING IN GENERAL; PREVENTION OF FOULING IN GENE....

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Inventor Name	Address	# of filed Patents	Total Citations
Murkute, Pravin	Columbia , US	2	123
Tvaruzek, Pavel	Brno , CZ	1	38

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Methods for cleaning and maintaining membrane surface during filtration

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United States of America Patent

10740657

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PATENT NO	7531042
APP PUB NO	20040139992A1
SERIAL NO	10740657
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 12, 2009	US,7531042,B2 US7531042B2	GRANTED PATENT AS SECOND PUBLICATION
July 22, 2004	US,20040139992,A1 US20040139992A1	FIRST PUBLISHED PATENT APPLICATION

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10740657

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