US PATENT SUBCLASS 266 / 190
.~.~ With cooling of heating means

Current as of: June, 1999
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266 /   HD   METALLURGICAL APPARATUS

168  DF  MEANS FOR TREATING ORES OR FOR EXTRACTING METALS {3}
171  DF  .~ By means applying heat to work, e.g., furnace {10}
190.~.~ With cooling of heating means {3}
191  DF  .~.~.~> By means cooling material discharge means
192  DF  .~.~.~> By direct fluid contact
193  DF  .~.~.~> By means embedded in heating means {1}

DEFINITION

Classification: 266/190

(under subclass 171) Device including means for maintaining the temperature of the heating means structure at a safe operating level.

SEE OR SEARCH THIS CLASS, SUBCLASS:

241, for a means to cool a metal melting or molten-metal treating means.

SEE OR SEARCH CLASS

65, Glass Manufacturing,

355, for means-cooling glass manufacturing apparatus.

165, Heat Exchange, 47+, for a heat exchanger installed in a disparate device; subclasses 58+ for heating and cooling of the same device; and subclass 134.1 for a heat exchanger with protective means.

432, Heating, appropriate subclass for means cooling a furnace of general utility.