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

Patent Owner(s)

Patent Owner	Address
HARBIN INSTITUTE OF TECHNOLOGY	NO 92 XIDAZHI STREET NANGANG DISTRICT HARBIN CITY 150001

International Classification(s)

• F22B:METHODS OF STEAM GENERATION; STEAM BOILERS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Zhichno	Heilongjiang, CN	1	0
Kuang, Ming	Heilongjiang, CN	34	636
Li, Zhengqi	Heilongjiang, CN	8	13
Liu, Chunlong	Heilongjiang, CN	3	0
Sun, Rui	Heilongjiang, CN	54	106
Sun, Shaozeng	Heilongjiang, CN	2	8
Wu, Shaohua	Heilongjiang, CN	12	244
Zeng, Lingyan	Heilongjiang, CN	2	0
Zhu, Qunyi	Heilongjiang, CN	2	0

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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: 2011/0253,066

W-STAGED FLAME BOILER FOR MULTI-STAGE COMBUSTION WITH MULTI-EJECTION AND ITS METHOD THEREOF

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