US PATENT SUBCLASS 251 / 129.22
.~.~ Solenoid within flow line

Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

129.01  DF  ELECTRICALLY ACTUATED VALVE {11}
129.15  DF  .~ Including solenoid {7}
129.22.~.~ Solenoid within flow line

DEFINITION

Classification: 251/129.22

Solenoid within flow line:

(under subclass 129.15) Subject matter wherein the passage is external to and surrounds the solenoid.

(1) Note. The passage may be a valve port adjunct.

(2) Note. The incidental heat exchange resulting from this arrangement is not sufficient basis for classification as a heat exchange device.

SEE OR SEARCH CLASS

137, Fluid Handling,

341, for electric heating elements for fluid handling

systems, and see the search notes thereto. See (2) Note.