Electric resistance heating devices – Heating devices – Tank or container type liquid heater
Reexamination Certificate
2006-01-31
2006-01-31
Campbell, Thor S. (Department: 3742)
Electric resistance heating devices
Heating devices
Tank or container type liquid heater
C392S462000, C122S510000
Reexamination Certificate
active
06993254
ABSTRACT:
A manifold for supplying hot water to a heater such as a towel holder has a tubular outer body for mounting in a generally vertical disposition. The upper end of the outer body is closed off and an inner tube is mounted within the outer body, to communicate therewith at or adjacent the upper end. First and second connectors for first and second external pipes leading to the heater communicate with the interior of the outer body. An electrically-powered immersion heater is disposed within the inner tube and when energised raises the temperature of water in the inner tube thereby promoting convection circulation of hot water through a heater connected to the manifold by the first and second external pipes.
REFERENCES:
patent: 1985830 (1934-12-01), Hynes
patent: 5548100 (1996-08-01), Miller
patent: 10070008 (1995-02-01), None
patent: 0928939 (2000-06-01), None
patent: 2292074 (1996-02-01), None
Andrus Sceales Starke & Sawall LLP
Campbell Thor S.
Heating World Group Limited
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