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

Patent Owner(s)

Patent Owner	Address
BAKER HUGHES INCORPORATED	2929 ALLEN PARKWAY SUITE 2100 HOUSTON TX 77019

International Classification(s)

• E21B:EARTH OR ROCK DRILLING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Onuoha, Jombo	Houston, US	1	10

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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	Jul 16, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 16, 2029

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 16, 2018	US,9869160,B2   US9869160B2	GRANTED PATENT AS SECOND PUBLICATION
December 03, 2015	US,20150345255,A1   US20150345255A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9869160

Dissolvable sieve, particulate tolerant system and method of protecting a tool from particulate

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