in an exhaust gas feedstream

United States of America Patent

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Aug 30, 2011
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Mar 20, 2008
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Sep 20, 2006
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Sep 20, 2006

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Abstract

concentration and hydrocarbon/NOx ratio based upon selected parameters of the exhaust gas feedstream and dispenses hydrocarbon reductant during lean engine operation. Included is a method to control elements of the feedstream during lean operation. The hydrocarbon reductant may include engine fuel.

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Patent Owner	Address
GM GLOBAL TECHNOLOGY OPERATIONS LLC	P O BOX 300 MAIL CODE 482-C24-A65 DETROIT MI 48265-3000

International Classification(s)

F01N:GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHIN....

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Inventor Name	Address	# of filed Patents	Total Citations
Blint, Richard J	Shelby Township, US	6	104
Deng, Ling	Sterling Heights, US	13	31
Lee, Jong-Hwan	Rochester Hills, US	86	1677
Schmieg, Steven J	Troy, US	34	430
Viola, Michael B	Macomb Township, US	22	309

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in an exhaust gas feedstream

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United States of America Patent

11533434

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PATENT NO	8006481
APP PUB NO	20080066456A1
SERIAL NO	11533434
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 30, 2011	US,8006481,B2 US8006481B2	GRANTED PATENT AS SECOND PUBLICATION
March 20, 2008	US,20080066456,A1 US20080066456A1	FIRST PUBLISHED PATENT APPLICATION

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11533434

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