US PATENT SUBCLASS 210 / 175
WITH HEATER OR HEAT EXCHANGER

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

175WITH HEATER OR HEAT EXCHANGER {8}
176  DF  .~> Thermal diffusion
177  DF  .~> With treating fluid addition {1}
179  DF  .~> With mechanical agitator or movable separator
180  DF  .~> Vapor or gas removal
181  DF  .~> Flow line connected in series with distinct separator
182  DF  .~> Diverse separators {1}
184  DF  .~> For filter {2}
187  DF  .~> Within gravitational separator

DEFINITION

Classification: 210/175

(under the class definition) Apparatus having heat exchanging means comprising an imperforate heat transfer member, radiant heater or heat generator.

SEE OR SEARCH THIS CLASS, SUBCLASS:

768+, for separating processes with treatment of separated solids, and subclasses 774+ for separating processes involving treatment by heating or cooling.

SEE OR SEARCH CLASS

62, Refrigeration, for refrigeration means or steps combined with fluid cooling or gas liquefaction or solidification. For particular subclasses in Class 62 involving refrigeration and fluid separation, see the reference to Class 62 in the class definition of this class (210).

96, Gas Separation: Apparatus, appropriate subclasses for gas separation apparatus combined with heating or cooling means.

122, Liquid Heaters and Vaporizers, 379+, for processes and apparatus for cleaning liquid heaters

or vaporizers or for purifying the water while the boiler is in operation.

126, Stoves and Furnaces,

343.5, for melting furnaces which may include liquid separating means.

159, Concentrating Evaporators,

42, for strainers or skimmers specialized for that class.

165, Heat Exchange,

119, for a heat exchange with an ancillary filter.

202, Distillation: Apparatus,

178, for combined distilland preheater and strainer, and subclasses 202+ for still with condensate treating means.

266, Metallurgical Apparatus,

277+, for apparatus for separating molten metal for undesired constituents.