US PATENT SUBCLASS 34 / 535
.~.~.~ Having two of heater, contacting gas humidity, or gas mixing

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
524  DF  .~ With automatic control {11}
526  DF  .~.~ Of plural operations {3}
535.~.~.~ Having two of heater, contacting gas humidity, or gas mixing {7}
536  DF  .~.~.~.~> With weight measuring means
537  DF  .~.~.~.~> Having wet bulb and dry bulb thermometers
538  DF  .~.~.~.~> With means to produce reduced or negative pressure
539  DF  .~.~.~.~> With fuel burner
540  DF  .~.~.~.~> Having plural compartments
541  DF  .~.~.~.~> With delivery nozzle for contacting gas or vapor
542  DF  .~.~.~.~> With means to increase humidity of contacting gas or vapor

DEFINITION

Classification: 34/535

Having two of heater, contacting gas humidity, or gas mixing:

(under subclass 526) Apparatus in which at least two of, (a) the heating means, (b) humidity of the gas that contacts the material, or (c) mixing of at least two gases are controlled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

548, for automatic control of air mixing only, even though the alleged result is temperature or contact gas humidity control.

549+, and 556, for control of heater only.

557, for control of contacting gas humidity.