US PATENT SUBCLASS 73 / 861.71
.~ By measuring thrust or drag forces

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

861  DF  VOLUME OR RATE OF FLOW {23}
861.71.~ By measuring thrust or drag forces {3}
861.72  DF  .~.~> By changing fluid direction
861.73  DF  .~.~> Impact of particulate material
861.74  DF  .~.~> On a vane {1}

DEFINITION

Classification: 73/861.71

By measuring thrust or drag forces:

(under subclass 861) Subject matter responsive to the magnitude of forces imparted by the fluid to (a) an object placed in the flow path or (b) a conduit segment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

861.355, for detection of reaction forces imparted to a conduit segment by dynamic means.