US PATENT SUBCLASS 110 / 342
.~ Treating fuel constituent or combustion product

Current as of: June, 1999
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110 /   HD   FURNACES

341  DF  PROCESS {4}
342.~ Treating fuel constituent or combustion product {2}
343  DF  .~.~> To prevent corrosion of furnace
344  DF  .~.~> Combustion product {1}

DEFINITION

Classification: 110/342

Treating fuel constituent or combustion product:

(under subclass 341) Process wherein the fuel, refuse, or a combustion product is subjected to a distinctive agent, action, device, or apparatus in order to bring about a desired result.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200+, for a locomotive-type furnace provided with means to treat a noncombustible fluid.

218+, for furnace structure combined with means to treat fuel prior to combustion.

301+, for furnace structure provided with means to treat a noncombustible fluid.