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

Patent Owner(s)

Patent Owner	Address
STATOILHYDRO ASA	STAVANGER STAVANGER ROGALAND
THE PETROLEUM OIL AND GAS CORPORATION OF SOUTH AFRICA (PTY) LTD	CAPE TOWN CAPE TOWN WESTERN CAPE

International Classification(s)

• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• G01F:MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Buchan, Rodney Bruce	Mossel Bay, ZA	1	1
Fathi, Marcus	Trondheim, NO	7	16
Liedeman, Alton Christo	Mossel Bay, ZA	1	1
Søraker, Pål	Trondheim, NO	4	4
Van, Aswegan Jan Jacobus	Mossel Bay, ZA	1	1

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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 21, 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 21, 2014	US,8863572,B2   US8863572B2	GRANTED PATENT AS SECOND PUBLICATION
April 15, 2010	US,20100089148,A1   US20100089148A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8863572

Method and system for the protection of internal filters of a LTFT slurry bubble reactor

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