US PATENT SUBCLASS 196 / 111
.~ With partitions
Current as of: June, 1999
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(under subclass 104) Vaporizers having therein one or more partitions or baffles either placed in the vapor space to separate it into a plurality of chambers or placed in the liquid space to cause the liquid oil to follow a tortuous path through the vaporizer.
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128, for vaporizers having baffles to cause the oil to flow in films.