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

Patent Owner(s)

Patent Owner	Address
ENVENTURE GLOBAL TECHNOLOGY LLC	15995 NORTH BARKERS LANDING SUITE 350 HOUSTON TX 77079

International Classification(s)

• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brisco, David Paul	Duncan, OK	112	4204
Cook, Robert Lance	Katy, TX	134	4674
Haut, Richard Carl	Sugar Land, TX	53	1674
Mack, Robert Donald	Katy, TX	49	1693
Ring, Lev	Houston, TX	188	5787
Stewart, R Bruce	The Hague, NL	47	1819

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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
September 02, 2008	US,7419009,B2   US7419009B2	GRANTED PATENT AS SECOND PUBLICATION
July 28, 2005	US,20050161228,A1   US20050161228A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7419009

Apparatus for radially expanding and plastically deforming a tubular member

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