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

Patent Owner(s)

Patent Owner	Address
E I DU PONT DE NEMOURS AND COMPANY	1007 MARKET STREET WILMINGTON DELAWARE 19898 UNITED STATES OF AMERICA

International Classification(s)

• F02D:CONTROLLING COMBUSTION ENGINES

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Barnes, John James	Hockessin, DE	14	130
Morris, Patricia A	Montchanin, DE	15	305
Steichen, John Carl	Landenberg, PA	13	259

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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
June 12, 2007	US,7231290,B2   US7231290B2	GRANTED PATENT AS SECOND PUBLICATION
February 26, 2004	US,20040039514,A1   US20040039514A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7231290

Method and apparatus for controlling a gas-emitting process and related devices

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