US PATENT SUBCLASS 137 / 5
.~.~.~ Controlled by conductivity of mixture


Current as of: June, 1999
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137 /   HD   FLUID HANDLING

1  DF  PROCESSES {5}
2  DF  .~ With control of flow by a condition or characteristic of a fluid {6}
3  DF  .~.~ Mixing of plural fluids of diverse characteristics or conditions {4}
5.~.~.~ Controlled by conductivity of mixture


DEFINITION

Classification: 137/5

(under subclass 3) Processes in which the determined condition is the conductivity of the mixture.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93, for systems for maintaining or sensing a mixture condition by optical or chemical properties.