US PATENT SUBCLASS 418 / 206.3
.~.~.~ With heating or cooling
Current as of:
June, 1999
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418 /
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ROTARY EXPANSIBLE CHAMBER DEVICES
191
DF
INTERENGAGING ROTATING MEMBERS
{9}
205
DF
.~ Like rotary members {1}
206.1
DF
.~.~ Having each radial protuberance of like dimension {8}
206.3
.~.~.~ With heating or cooling
DEFINITION
Classification: 418/206.3
With heating or cooling:
(under subclass 206.1) Apparatus comprising means to vary the temperature of the apparatus.
