(under subclass 386) Subject matter wherein the substance is converted into gaseous form by heat energy in the form of electromagnetic waves within the infrared range of the spectrum.
SEE OR SEARCH THIS CLASS, SUBCLASS:
347, for convection space heating.
407+, for radiant heater.
460, for liquid heater producing radiation.
483, for fluid heater producing radiation.
SEE OR SEARCH CLASS 159, Concentrating Evaporators, Digest 6 for infrared.
250, Radiant Energy,
493.1+, for infrared radiation generators not provided for elsewhere.
431, Combustion,
31, for scavenging or purging period started by combustion demand.
