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

Patent Owner(s)

Patent Owner	Address
IMERGY POWER SYSTEMS INC (FORMERLY KNOWN AS DEEYA ENERGY INC )	48611 WARM SPRINGS BLVD FREMONT CA 94539

International Classification(s)

• H02J:CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR D....
• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
• B23H:WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Sahu, Saroj Kumar	Fremont, US	44	1668

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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
December 21, 2010	US,7855005,B2   US7855005B2	GRANTED PATENT AS SECOND PUBLICATION
August 14, 2008	US,20080193828,A1   US20080193828A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7855005

Apparatus and methods of determination of state of charge in a redox flow battery

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