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

Patent Owner(s)

Patent Owner	Address
GAS TECHNOLOGY INSTITUTE	1700 SOUTH MOUNT PROSPECT ROAD DES PLAINES IL US 60018

International Classification(s)

• B65G:TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR L....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fitzsimmons, Mark Andrew	Reseda, US	5	61

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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
May 14, 2013	US,8439185,B2   US8439185B2	GRANTED PATENT AS SECOND PUBLICATION
October 13, 2011	US,20110247919,A1   US20110247919A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8439185

Multiple moving wall dry coal extrusion pump

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