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

Patent Owner(s)

Patent Owner	Address
SHARROW ENGINEERING LLC	51752 DANVIEW TECHNOLOGY CT SHELBY TOWNSHIP MI 48315

International Classification(s)

• F02K:JET-PROPULSION PLANTS
• B63H:MARINE PROPULSION OR STEERING
• F04D:NON-POSITIVE-DISPLACEMENT PUMPS
• F03D:WIND MOTORS
• B64C:AEROPLANES; HELICOPTERS
• F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Sharrow, Gregory Charles	Cherry Hill, US	8	34

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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	Jan 5, 2026
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 5, 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: 2018/0186,439

PROPELLER

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