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

Patent Owner(s)

Patent Owner	Address
CLEARSIGN TECHNOLOGIES CORPORATION	8023 EAST 63RD PLACE SUITE 101 TULSA OK 74133

International Classification(s)

• F23N:REGULATING OR CONTROLLING COMBUSTION
• F23C:METHODS OR APPARATUS FOR COMBUSTION USING FLUENT F....
• F23D:BURNERS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Colannino, Joseph	Mercer Island, US	125	3885
Goodson, David B	Seattle, US	45	1442
Hartwick, Thomas S	Snohomish, US	8	410
Prevo, Tracy A	Seattle, US	19	822
Wiklof, Christopher A	Everett, US	333	10477

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 26, 2027

Fee	Large entity fee	small entity fee	micro entity fee
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 26, 2016	US,9243800,B2   US9243800B2	GRANTED PATENT AS SECOND PUBLICATION
January 03, 2013	US,20130004902,A1   US20130004902A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9243800

Apparatus for electrodynamically driving a charged gas or charged particles entrained in a gas

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