Liquid heaters and vaporizers – Stand boiler – Fluid fuel burner
Reexamination Certificate
2008-06-12
2011-11-01
Wilson, Gregory A (Department: 3749)
Liquid heaters and vaporizers
Stand boiler
Fluid fuel burner
C122S018310, C165S070000
Reexamination Certificate
active
08047164
ABSTRACT:
A water heater. The water heater includes a water tank having a tank wall defining an interior space and adapted to contain water to be heated, a tank extension having an extension wall detachably mounted to the tank wall, the extension wall defining extension space communicating with the interior space, and defining an extension axis, an air inlet at least partially in the extension space extending through the extension wall at a radial angle to extension axis of tank extension, a combustor at least partially in the extension space and in fluid communication with the air inlet, and a plurality of heat exchange tubes configured to receive products of combustion from combustor and extending into interior space of the water tank. The extension space is configured to be flooded with water from the water tank.
REFERENCES:
patent: 1059685 (1913-04-01), Oberste
patent: 1991980 (1935-02-01), Hetzer
patent: 2046569 (1936-07-01), Madorin
patent: 2143287 (1939-01-01), Smith
patent: 2587720 (1952-03-01), Fritzberg
patent: 2602644 (1952-07-01), Sandstrom
patent: 2660996 (1953-12-01), Wasp et al.
patent: 3238928 (1966-03-01), Phillips
patent: 3823704 (1974-07-01), Daugirda et al.
patent: 4143816 (1979-03-01), Skadeland
patent: 4465024 (1984-08-01), Adams
patent: 4545329 (1985-10-01), Adams
patent: 4651714 (1987-03-01), Granberg
patent: 4790268 (1988-12-01), Eising
patent: 4884963 (1989-12-01), Kardos
patent: 4938204 (1990-07-01), Adams
patent: 4960078 (1990-10-01), Yokoyama et al.
patent: 4989670 (1991-02-01), Foley
patent: 5044928 (1991-09-01), Yokoyama et al.
patent: 5044930 (1991-09-01), Hongo et al.
patent: 5145354 (1992-09-01), Palm, Jr.
patent: 5207212 (1993-05-01), Woollen, Jr.
patent: 5253703 (1993-10-01), Master et al.
patent: 5313914 (1994-05-01), Woollen
patent: 5437249 (1995-08-01), Adams et al.
patent: 5666943 (1997-09-01), Adams
patent: 5666944 (1997-09-01), Ferguson
patent: 6161506 (2000-12-01), Hanson
patent: 6210149 (2001-04-01), Plavnik et al.
patent: 6957629 (2005-10-01), Steinhafel et al.
patent: 2003/0192684 (2003-10-01), Roberts et al.
PVI Industries, LLC, Turbopower Gas Packaged Water Heater Tank Series 125 Gallons Catalog Sheet available at http://www.pvi.com/pdf%20files/5610.pdf at least as early as Jan. 2004.
PVI Industries, LLC, Turbopower Gas Packaged Water Heater Standard and Optional Equipment List available at http://www.pvi.com/pdf%20files/6000.pdf at least as early as Jan. 2004.
AOS Holding Company
Michael & Best & Friedrich LLP
Wilson Gregory A
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