US PATENT SUBCLASS 432 / 175
.~.~ Radiant-type burner in or on wall (e.g., surface combustion, etc.)

Current as of: June, 1999
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432 /   HD   HEATING

120  DF  WORK CHAMBER HAVING HEATING MEANS {12}
159  DF  .~ Combustion products heat work by contact {19}
175.~.~ Radiant-type burner in or on wall (e.g., surface combustion, etc.)

DEFINITION

Classification: 432/175

(under subclass 159) Apparatus in which a chamber wall is permeated or swept by fuel or oxidizer and combustion takes place on the surface of the wall to cause the wall to become a glowing, heat radiating surface.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

92, for a direct heat radiating heating stove including an incandescent fire grate heated by gaseous or liquid fuel.

431, Combustion,

326+, for a porous radiant surface burner, per se; and

subclasses 347+ for a burner, per se, having an incandescing or reflecting component.