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

Patent Owner(s)

Patent Owner	Address
SAUDI ARABIAN OIL COMPANY	P O BOX 5000 DHAHRAN 31311

International Classification(s)

• C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Al-Yousef, Ali Abdallah	Dhahran, SA	61	153
Aljedaani, Abdulrahman	Dhahran, SA	4	4
AlOtaibi, Mohammed Badri	Dhahran, SA	13	17
Ayirala, Subhash Chandrabose	Dhahran, SA	32	83

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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 10, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jul 10, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 10, 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
January 10, 2023	US,11548796,B2   US11548796B2	GRANTED PATENT AS SECOND PUBLICATION
September 15, 2022	US,20220289596,A1   US20220289596A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2022/0289,596

HUMIDIFICATION DEHUMIDIFICATION PROCESSES USING WASTE HEAT EXTRACTED FROM ABANDONED WELLS

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