Electrical heater
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 8, 2000
Grant Date -
N/A
app pub date -
May 18, 1998
filing date -
May 20, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A heater is disclosed, the heater comprising: a heating element effective to generate radiant energy; a casing surrounding the heating element separated from the heating element; and support material between the casing and the heating element wherein the support material comprises a granular solid material that is translucent to radiant energy in the peak wavelength of energy which is radiated by the heating element at operating temperatures. The translucency of the support material is such that at least 50% of the radiant energy emitted by the heating element is radiated to the casing.
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