Indirect water heater and method of manufacturing same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7007748
APP PUB NO 20050067154A1
SERIAL NO

10677038

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A heat exchange assembly adapted for use in a water tank is provided. The heat exchange assembly includes a tube having end portions and a coiled portion between the end portions. A fitting is connected to at least one of the end portions of the tube. The fitting has an end configured to extend through an opening in the water tank, and a surface positioned to limit the extension of the end through the opening in the water tank. The fitting also has an opposite end defining a bore configured to receive one of the end portions of the tube and to limit the extension of the end portion of the tube into the opposite end of the fitting. The bore extends axially beyond the surface of the fitting.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BRADFORD WHITE CORPORATIONAMBLER, PA49

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bernreuter, Wade Wyoming, MI 9 24
Gordon, Michael East Grand Rapids, MI 61 546

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (5)
4480631 Apparatus for delivering heated fluid medium 13 1982
4821682 Method and apparatus for utilizing waste heat in hot water heaters 12 1987
5037510 Integrated water distiller and/or water heater and/or furnace 10 1988
4949680 Water heater having filling dip tube 15 1989
5224674 Method and apparatus for organizing and identifying intravenous administration lines 41 1992
 
K-TAM MANUFACTURING INC. (1)
5228413 Multiple boiler 29 1992
 
World Fitting, L.L.C. (1)
* 5971444 Through wall connector 27 1997
 
POWERCOLD TECHNOLOGY, LLC (1)
* 5787722 Heat exchange unit 15 1997
 
SABH (US) WATER HEATER GROUP, INC. (1)
4328791 Gas supplemented solar collector storage means 15 1980
 
WETZEL, ALLMAN JANE (1)
4545365 Fluid heating system utilizing solar energy and waste heat 9 1983
 
CARRIER CORPORATION (1)
4738394 Integral liquid-backed gas-fired space heating and hot water system 13 1987
 
SPECHT, JAMES PRESIDENT OF KCI INDUSTRIES, INC. (1)
4637347 Improved continuous low fluid exchange water heater 20 1985
 
Interlab, Inc. (1)
4461347 Heat exchange assembly for ultra-pure water 30 1981
 
JASON INCORPORATED (1)
5136985 Boiler tube support 20 1991
 
Fagersta AB (1)
4426037 Boiler for a heating system, as an article of manufacture, a boiler-heating system combination, and a method for heating a heat-transfer medium such as water in a heating system 17 1982
 
KABUSHIKI KAISHA TOSHIBA (1)
4972902 Triple-wall tube heat exchanger 10 1989
 
Alfa-Laval Thermal AB (1)
5178207 Plate heat exchanger with leakage detector 17 1991
 
WITZENMANN GMBH (1)
* 6789615 Heat exchanger, in particular for swimming pools 4 2003
 
DAEWOO ELECTRONICS CO., LTD. (1)
* 6098705 Coil type condenser for refrigerator 13 1998
 
BRADFORD WHITE CORPORATION (3)
5081696 Electrically grounded water heater 11 1991
5372185 Combined water heater and heat exchanger 16 1993
5485879 Combined water heater and heat exchanger 21 1994
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 2009/0038,785 Tubes for heat exchange 1 2007
 
DAIKIN INDUSTRIES, LTD. (2)
* 2010/0126,705 HEATING AND HOT WATER SUPPLY APPARATUS 3 2008
* 2010/0101,506 HEAT PUMP TYPE HOT WATER SUPPLY APPARATUS AND HEATING AND HOT WATER SUPPLY APPARATUS 0 2008
* Cited By Examiner

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 7, 2017
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