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

Patent Owner(s)

Patent Owner	Address
EMERSON CLIMATE TECHNOLOGIES RETAIL SOLUTIONS INC	1065 BIG SHANTY ROAD NW SUITE 100 KENNESAW GA 30144

International Classification(s)

• F25B:REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBIN....

• 2007 Application Filing Year
• F25B Class
• 511 Applications Filed
• 296 Patents Issued To-Date
• 57.93 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Mathews, Thomas J	Fayette, ME	27	2178
# of filed Patents : 27 Total Citations : 2178

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Patent Citation Ranking

• 57 Citation Count
• F25B Class

• 97.69 % this patent is cited more than
• 18 Age

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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 Application No: 2007/0289,322

Air handler unit fan installation and control method

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Abstract

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A method is provided including installing a variable frequency drive unit to drive a previously non-variable air handler fan of an HVAC system. The method includes setting a control strategy for the variable frequency drive. The control strategy includes a drive speed for each mode of the HVAC system. The method includes operating the HVAC system in each mode and monitoring the HVAC system. The method includes adjusting the HVAC system or the control strategy of the variable frequency drive to increase drive speed based on monitoring the HVAC system.

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Description

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Claims

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