US PATENT SUBCLASS 60 / 641.5
.~.~ With fluid flashing
Current as of:
June, 1999
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60 /
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POWER PLANTS
641.1
DF
UTILIZING NATURAL HEAT
{3}
641.2
DF
.~ Geothermal {3}
641.5
.~.~ With fluid flashing
DEFINITION
Classification: 60/641.5
With fluid flashing:
(under subclass 641.2) Apparatus in which a controlled, pressurized fluid having heat is at least partially vaporized (flashed) upon a controlled reduction of pressure at the earth's surface.