(under subclass 465) Subject matter including processes for heating a continuous flow of fluids (e.g., air or water, etc.) by conversion of electrical energy to heat.
SEE OR SEARCH CLASS
34, Drying and Gas or Vapor Contact With Solids,
283+, for processes of treating hair on head and, particularly, subclasses 443+ for processes of gas or vapor contact with material treated.
126, Stoves and Furnaces,
714, for process of heating by using solar heat.
165, Heat Exchange,
1+, for heat exchange processes which may include heating. 166, Wells,
272.1+, for processes of injecting heat into wells.
210, Liquid Purification or Separation,
600+, for processes of liquid purification or separation.
222, Dispensing,
1+, for dispensing processes which may include heating.
237, Heating Systems,
12, for process of automatic control of heating systems.
239, Fluid Sprinkling, Spraying, and Diffusing,
1, 13 for processes of fluid sprinkling, spraying and diffusing.
431, Combustion, 11, for process of combustion or burner by feeding heat.
432, Heating,
1, 31 for heating processes and, particularly, subclasses 29 and 30 for fluid heating processes.
