Composite instantaneous water heater
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 9, 2000
Grant Date -
N/A
app pub date -
Mar 26, 1998
filing date -
Mar 31, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An insulated composite hot water heater is disclosed. The heater comprises an inner plastic pressure vessel for storing and heating water. The pressure vessel has an access opening provided with a removable closure plate. A heat exchanger unit is provided within said pressure vessel and retained therein by the closure plate. An outer housing surrounds the inner plastic pressure vessel and a thermal insulating material is interposed between the vessel and the housing.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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