Liquid heaters and vaporizers – Indirectly heated separate injected fluid – Submerged flame
Reexamination Certificate
2007-11-27
2007-11-27
Wilson, Gregory (Department: 3749)
Liquid heaters and vaporizers
Indirectly heated separate injected fluid
Submerged flame
C122S018300, C122S013010
Reexamination Certificate
active
11323436
ABSTRACT:
A water heater is shown having a closed metal tank with an upwardly mounted combustion chamber and burner/blower assembly. Curved fire tubes convey the products of combustion from the chamber to an exterior mounted flue assembly. The closed tank is enclosed by a rotomolded jacket. A support stand with vertically arranged support legs supports the tank in a normally vertical position but also allows the tank to be pivoted to a horizontal position on the support stand for maintenance or repair operations.
REFERENCES:
patent: 4465024 (1984-08-01), Adams
patent: 4875465 (1989-10-01), Kramer
patent: 5313914 (1994-05-01), Woollen
patent: 5365887 (1994-11-01), Fenn
patent: 5970923 (1999-10-01), Nakashima
patent: 6223698 (2001-05-01), Lacaze
US 5,816,596, 10/1998, Kovacs (withdrawn)
Bothner Paul James
Ferguson Mark Allen
Hubbard Michael James
Myers Frank Austin
PVI Industries, LLC
Wilson Gregory
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