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

Patent Owner(s)

Patent Owner	Address
REFRACTORY INTELLECTUAL PROPERTY GMBH & CO KG	1100 WIEN

International Classification(s)

• C21C:PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fauhl, Markus	Langerwehe, DE	2	1
Müller, Helmut	Krefeld, DE	11	70
Pernot, Jürgen	Mönchengladbach, DE	1	1
Winkelmann, Manfred	Krefeld, DE	18	59

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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
March 22, 2011	US,7910050,B2   US7910050B2	GRANTED PATENT AS SECOND PUBLICATION
February 25, 2010	US,20100044402,A1   US20100044402A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7910050

Stopper for a metallurgical melting pot

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