Liquid heaters and vaporizers – Subsidiary
Reexamination Certificate
2005-09-06
2005-09-06
Wilson, Gregory (Department: 3749)
Liquid heaters and vaporizers
Subsidiary
C122S036000, C122S018500, C237S019000
Reexamination Certificate
active
06938581
ABSTRACT:
A supplemental water heater tank and system features a supplemental tank with an inner vessel surrounded by an outer jacket. The space there between is generally evacuated of air so that the inner vessel is vacuum insulated. The supplemental tank includes water inlet and outlet ports. Water is heated in a water heater and transferred from the upper portion of the water heater tank to the lower portion of the vacuum-insulated supplemental tank through an insulated line and a dip tube that extends between the water inlet port and the bottom portion of the inner vessel. Hot water is withdrawn from the upper portion of the inner vessel of the supplemental tank for use in a home or the like.
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Drube Paul A.
Neeser Timothy A.
Shaw Thomas J.
Wondra David A.
Chart Inc.
DLA Piper Rudnick Gray Cary US LLP
Wilson Gregory
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