Stoves and furnaces – Hot-air furnaces – Liquid or gaseous fuel
Reexamination Certificate
2007-10-04
2010-11-02
McAllister, Steven B (Department: 3749)
Stoves and furnaces
Hot-air furnaces
Liquid or gaseous fuel
C126S11000R, C126S11000R, C126S09900D, C432S222000, C431S350000
Reexamination Certificate
active
07823579
ABSTRACT:
A vertically storable combustion heater having a fuel tank having a generally-cylindrical passage formed in the fuel-tank housing through which an axle extends to support one or more wheels; a heating conduit that is coupled to the fuel tank and includes an outermost shell that is substantially concentric with an inner shell that has a smaller diameter than the outermost shell; a control panel that is connected to the combustion heater to interface with an operator and allows the operator to input instructions governing the operation of the combustion heater; a frame that at least partially encases the heating conduit and fuel tank; a hose having a return curve and nozzle; and a combustion chamber that is defined by the interior periphery of the inner shell.
REFERENCES:
patent: 4288218 (1981-09-01), Obinata
patent: 4340362 (1982-07-01), Chalupsky et al.
patent: 4443187 (1984-04-01), Shaftner et al.
patent: 4640680 (1987-02-01), Schilling
patent: 5738084 (1998-04-01), Hussong
patent: 5867926 (1999-02-01), Schmitt
patent: 6648635 (2003-11-01), Vandrak et al.
patent: 6880549 (2005-04-01), Topp
Haney Donald C.
O'Toole Dennis
Vandrak Brian S.
Enerco Group, Inc
McAllister Steven B
McDowell Brouse
Presutti Stephen J.
Savani Avinash
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