US PATENT SUBCLASS 210 / 143
AUTOMATIC CONTROL

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

143AUTOMATIC CONTROL {4}
144  DF  .~> Responsive to vibration or unbalance
145  DF  .~> Responsive to rotation {2}
148  DF  .~> Container movement operated
149  DF  .~> Thermal

DEFINITION

Classification: 210/143

(under the class definition) Apparatus having means to sense some condition of a treatment operation and operate a control device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86, for a material level responsive indicator.

87, for a fluid flow responsive indicator.

90, for a fluid pressure responsive indicator.

96.1+, for control responsive to constituent mixture variation.

97+, for control by fluid flow, fluid pressure or material level responsive means. SEE OR SEARCH CLASS

137, Fluid Handling,

87.01+, for self proportioning or correlated fluid handling systems of general utility.