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

Patent Owner(s)

Patent Owner	Address
HANON SYSTEMS EFP DEUTSCHLAND GMBH	GEORG-SCHAEFFLER-STRASSE 3 BAD HOMBURG V D HÖHE 61352

International Classification(s)

• F04C:ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DIS....
• F03C:POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
• F04D:NON-POSITIVE-DISPLACEMENT PUMPS
• F01C:ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR EN....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Frowein, Kornelia	Wermeiskirchen, DE	2	0
Gerschwinat, Rolf	Iserlohn, DE	1	0
Kozin, Oleksandr	Bochum, DE	1	0
Szczepanek, Remigius	Hueckeswagen, DE	1	0
Walder, Marcel	Hueckeswagen, DE	3	7
Wallenfels, Jörg	Plettenberg, DE	1	0

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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	Jul 9, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 9, 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
January 09, 2018	US,9863420,B2   US9863420B2	GRANTED PATENT AS SECOND PUBLICATION
March 02, 2017	US,20170058897,A1   US20170058897A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9863420

Vacuum pump of lightweight construction

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