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

Patent Owner(s)

Patent Owner	Address
MAHLE INTERNATIONAL GMBH	70376 STUTTGART

International Classification(s)

• B23P:OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVE....
• B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Sailer, Carolin	Ammerbuch, DE	1	1
Schiehlen, Thomas	Altheim, DE	24	140
Weinmann, Dominique	Rottenburg, DE	6	5

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Mar 6, 2026
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 6, 2030

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2018/0250,779

METHOD FOR PRODUCING A HEAT EXCHANGER

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