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

Patent Owner(s)

Patent Owner	Address
ZEROAVIA INC	90 SKYLANE DRIVE HANGAR 1 HOLLISTER CA 95023

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
• B64D:EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SU....
• F02C:GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Miftakhov, Valery	San Carlos, US	50	491

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Mar 13, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Mar 13, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 13, 2034

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 13, 2022	US,11444295,B2   US11444295B2	GRANTED PATENT AS SECOND PUBLICATION
November 12, 2020	US,20200355117,A1   US20200355117A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11444295

Multi-stage turbocharging compressor for fuel cell systems

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