US PATENT SUBCLASS 340 / 606
.~.~.~ Flow rate

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
603  DF  .~.~ Fluent material {7}
606.~.~.~ Flow rate {5}
607  DF  .~.~.~.~> Filter clogging
608  DF  .~.~.~.~> Stoppage
609  DF  .~.~.~.~> Counting
610  DF  .~.~.~.~> Vane in flow path
611  DF  .~.~.~.~> Pressure

DEFINITION

Classification: 340/606

Flow rate:

(under subclass 603) Subject matter wherein the monitored condition is the amount of material flowing past a point in a given time interval.

SEE OR SEARCH CLASS

116, Signals and Indicators,

112, and 264+ for mechanical fluid flow alarms and indicators, respectively.

137, Fluid Handling,

551+, for similar devices combined with significant fluid handling structure.