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

Patent Owner(s)

Patent Owner	Address
HONEYWELL LIMITED SCARBOROUGH ONTARIO CANADA A CORP OF CANADA	Not Provided

International Classification(s)

• F24F:AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION;....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bragg, Gordon M	Waterloo, CA	1	41
Carothers, Richard G	Puslinch, CA	1	41
MacLeod, Kenneth A	Newmarket, CA	1	41
Nelson, Marvin D	Hennepin, MN	50	1786

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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 No: 4817863

Vortex valve flow controller in VAV systems

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