US PATENT SUBCLASS 137 / 10
.~.~ By speed of fluid

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

1  DF  PROCESSES {5}
2  DF  .~ With control of flow by a condition or characteristic of a fluid {6}
10.~.~ By speed of fluid

DEFINITION

Classification: 137/10

(under subclass 2) Processes in which the condition or characteristic determined is the speed of the fluent material of the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

497+, for line condition responsive valves which are responsive to a change in the rate of fluid flow, and see the search notes to subclass 497.