US PATENT SUBCLASS 165 / 116
.~.~ Shelf to shelf

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

110  DF  WITH FIRST FLUID HOLDER OR COLLECTOR OPEN TO SECOND FLUID {2}
115  DF  .~ Trickler {3}
116.~.~ Shelf to shelf

DEFINITION

Classification: 165/116

(under subclass 115) Apparatus comprising vertically spaced shelves in a liquid flow path.

SEE OR SEARCH CLASS

261, Gas and Liquid Contact Apparatus,

148, for a heated or cooled absorption or rectification column.