US PATENT SUBCLASS 266 / 155
.~ With heat exchanger, e.g., waste heat boiler

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

144  DF  WITH MEANS TREATING OR HANDLING GASES EXHAUSTED BY TREATING MEANS {8}
155.~ With heat exchanger, e.g., waste heat boiler

DEFINITION

Classification: 266/155

(under subclass 144) Device including means specialized to remove heat from the evolved gas by means of an indirect heat exchanger.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

7, for apparatus for capturing the waste heat of industrial devices.