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

Patent Owner(s)

Patent Owner	Address
MEMBRANE TECHNOLOGY AND RESEARCH INC	NEWARK CA 94560

International Classification(s)

• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Lin, Haiqing	Mountain View, US	17	232
Ly, Jennifer H	San Jose, US	5	122
Merkel, Timothy C	Menlo Park, US	33	665
Wynn, Nicholas P	Redwood City, US	28	295
Zhou, Meijuan	Fremont, US	20	314

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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	Apr 10, 2025

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

Full Text

US Patent Application No: 2013/0263,734

LOW-ENERGY PROCESS TO PRODUCE OXYGEN-ENRICHED AIR USING MEMBRANE TECHNOLOGY

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