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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	15995 NORTH BARKERS LANDING SUITE 350 HOUSTON TX 77002

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
Bullock, Michael Dennis	Houston, TX	7	120
Cook, Robert Lance	Katy, TX	134	4674
Duel, Alan B	Duncan, OK	1	13
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

Full Text

US Patent Application No: 2006/0213,668

A Method of Coupling Tubular Member

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