US PATENT SUBCLASS 137 / 5
.~.~.~ Controlled by conductivity of mixture
Current as of:
June, 1999
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137 /
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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.