US PATENT SUBCLASS 73 / 61.74
.~.~.~.~ Thermal

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

53.01  DF  LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15}
61.41  DF  .~ Content or effect of a constituent of a liquid mixture {8}
61.71  DF  .~.~ For measuring solid components (e.g., particles) {3}
61.73  DF  .~.~.~ By flowing through barrier or restriction and measuring flow effect (e.g., pressure, volume of or rate of flow) {1}
61.74.~.~.~.~ Thermal

DEFINITION

Classification: 73/61.74

Thermal:

(under subclass 61.73) Subject matter wherein the determination is made by measuring a heat or a temperature related property.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54.42, for determining viscosity by making thermal measurement.

61.46, and 61.76+, for a thermal measurement of content or the effect of the constituent of a liquid mixture.

SEE OR SEARCH CLASS

374, Thermal Measuring and Testing,

43, for determining the inherent thermal properties, per se, of a liquid, subclass 54 for thermal measurement of liquid volume and subclass 139 for measuring the temperature of a liquid metal.