(under the class definition) Methods and means for heating or cooling associated with separation methods and apparatus, not elsewhere classified.
SEE OR SEARCH THIS CLASS, SUBCLASS:
8, for heating prior to separation for the purpose of affecting the magnetic properties of the material to facilitate separation.
182, for amalgamation separation processes involving heating for the purpose of promoting amalgamation.
238, for sifters combined with heaters.
SEE OR SEARCH CLASS
75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, heating in connection with metallurgical processes. 99, Foods and Beverages: Apparatus, appropriate subclasses for the heating of foods or beverages.
208, Mineral Oils: Processes and Products,
8, and 11 for the separation of bituminous material from solid natural sources such as rocks, oil shale, bituminous sands, etc.
241, Solid Material Comminution or Disintegration,
appropriate subclasses, especially
17, for comminuting combined with heating.
266, Metallurgical Apparatus, for metallurgical heating apparatus.
432, Heating,
13, for a process and subclass 61 for a residual apparatus for heating material in which a portion of the material is separated for further heating and the heated portion is returned.
