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

Patent Owner(s)

Patent Owner	Address
UNIVERSITY OF THE WITWATERSRAND JOHANNESBURG	JOHANNESBURG SOUTH AFRICA JOHANNESBURG GAUTENG
VAAL UNIVERSITY OF TECHNOLOGY	ANDRIES POTGIETER BOULEVARD 1911 VANDERBIJLPARK

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Abdulkareem, Ambali Saka	Johannesburg, ZA	1	2
Afolabi, Ayo Samuel	Johannesburg, ZA	1	2
Idibie, Christopher Avwoghokoghene	Johannesburg, ZA	1	2
Iyuke, Sunny Esayegbemu	Johannesburg, ZA	4	45
Van, Zyl Pienaar Hendrik Christoffel	Johannesburg, ZA	1	2

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 23, 2027

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 23, 2016	US,9269981,B2   US9269981B2	GRANTED PATENT AS SECOND PUBLICATION
August 30, 2012	US,20120219873,A1   US20120219873A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9269981

Proton exchange membrane fuel cell

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