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

Patent Owner(s)

Patent Owner	Address
BENTELER DEUTSCHLAND GMBH	33104 PADERBORN

International Classification(s)

• F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
• C21D:MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS....
• C22C:ALLOYS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Halfpap, Christopher	Diepholz, DE	2	18
Peters, Andreas	Dusseldorf, DE	28	94
Trittel, Rolf	Gelsenkirchen, DE	1	18

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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: 2011/0259,482

Use of a Steel Alloy for Well Pipes for Perforation of Borehole Casings, and Well Pipe

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