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

Patent Owner(s)

Patent Owner	Address
GAUMER COMPANY INC	13616 HEMPSTEAD ROAD HOUSTON TX 77040

International Classification(s)

• F02M:SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBU....
• E21B:EARTH OR ROCK DRILLING
• B01D:SEPARATION

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dhingra, Gaurav	Spring, US	1	14
McClanahan, Jack L	Montgomery, US	16	99
McClanahan, Jeff	Houston, US	1	14
Tiras, Craig S	Houston, US	18	110

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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	Apr 28, 2026

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
October 28, 2014	US,8869880,B2   US8869880B2	GRANTED PATENT AS SECOND PUBLICATION
March 29, 2012	US,20120073823,A1   US20120073823A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8869880

System for subsea extraction of gaseous materials from, and prevention, of hydrates

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