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

Patent Owner(s)

Patent Owner	Address
WARTSILA FINLAND OY	65100 VAASA

International Classification(s)

• F16N:LUBRICATING
• B63H:MARINE PROPULSION OR STEERING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Burger, Robert	Tilberg, NL	16	214
Kroot, Frank	Waalwijk, NL	1	1
Schalk, Peter	Wijk en Aalburg, NL	3	1
Van, Der Ven Bart	Waspik, NL	6	10
Van, Eersel Koenraad	's Gravenmoer, NL	1	1

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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 12, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 12, 2029

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 12, 2017	US,9758229,B2   US9758229B2	GRANTED PATENT AS SECOND PUBLICATION
January 22, 2015	US,20150021120,A1   US20150021120A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9758229

Method of and an arrangement for improving the lubrication system of a propulsion device of a marine vessel

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