US PATENT SUBCLASS 165 / 166
.~.~ Stacked plates or shells form interplate passages

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

164  DF  FLOW PASSAGES FOR TWO CONFINED FLUIDS {1}
165  DF  .~ Interdigitated plural first and plural second fluid passages {1}
166.~.~ Stacked plates or shells form interplate passages {1}
167  DF  .~.~.~> With plate traversing passages interconnecting alternate spaces

DEFINITION

Classification: 165/166

(under subclass 165) Apparatus in which the interfitted passages are formed between facing sections of a plurality of thin members of considerable surface area stacked face to face.