US PATENT SUBCLASS 165 / 104.16
.~.~ Fluidized bed

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

104.11  DF  INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT {5}
104.15  DF  .~ Solid fluent heat exchange material {3}
104.16.~.~ Fluidized bed

DEFINITION

Classification: 165/104.16

Fluidized bed:

(under subclass 104.15) Apparatus wherein the retained body of material is supported against gravity by a flow of liquid or gaseous material passing therethrough such that the retained body of material is rendered fluent and is confined in a pool like area.