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

Patent Owner(s)

Patent Owner	Address
TCL ZHONGHUAN RENEWABLE ENERGY TECHNOLOGY CO LTD	NO 12 EAST HAITAI ROAD HUAYUAN INDUSTRIAL PARK (OUTER RING) TIANJIN NEW TECHNOLOGY INDUSTRIAL PARK BINHAI NEW AREA TIANJIN 300384 300384

International Classification(s)

• B08B:CLEANING IN GENERAL; PREVENTION OF FOULING IN GENE....
• C30B:SINGLE-CRYSTAL GROWTH

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CHANG, Shun	Tianjin, CN	6	2
GONG, Yiqiang	Tianjin, CN	5	0
KUANG, Wenjun	Tianjin, CN	2	0
LIANG, Zhihui	Tianjin, CN	22	6
REN, Hailong	Tianjin, CN	1	0
SHI, Yan	Tianjin, CN	112	842
SHI, Yanlong	Tianjin, CN	9	27
WANG, Furu	Tianjin, CN	1	0
YANG, Shusheng	Tianjin, CN	6	2
ZHAO, Yanhui	Tianjin, CN	22	47

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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	Jul 30, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 30, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 30, 2036

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

Full Text

US Patent Application No: 2025/0033,093

DEVICES AND METHODS FOR CLEANING A FINISHED MONOCRYSTALLINE SQUARE ROD, AND GRINDERS

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