US PATENT SUBCLASS 422 / 174
.~.~.~ Electrical type


Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

129  DF  CHEMICAL REACTOR {28}
168  DF  .~ Waste gas purifier {5}
173  DF  .~.~ With heat exchanger for reaction chamber or reactants located therein {2}
174.~.~.~ Electrical type


DEFINITION

Classification: 422/174

Electrical type:

(under subclass 173) Apparatus wherein the heat exchange means includes an electrical heater.