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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
EVOQUA WATER TECHNOLOGIES LLC	4800 NORTH POINT PARKWAY SUITE 250 ALPHARETTA GA 30022

International Classification(s)

• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Beck, Thomas William	New South Wales, AU	42	4261
Brois, Etienne Ulysse	Yerres, FR	2	120
Johnson, Warren Thomas	New South Wales, AU	30	1466
Phelps, Roger William	New South Wales, AU	12	385
Zha, Fufang	New South Wales, AU	60	2955

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 19, 2013	US,8377305,B2   US8377305B2	GRANTED PATENT AS SECOND PUBLICATION
July 03, 2008	US,20080156745,A1   US20080156745A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8377305

Continuously variable aeration

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