US PATENT SUBCLASS 110 / 299
.~.~ Having flow controller

Current as of: June, 1999
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110 /   HD   FURNACES

297  DF  INCLUDING NONCOMBUSTIBLE FLUID SUPPLY MEANS {3}
298  DF  .~ Hollow grate {1}
299.~.~ Having flow controller {1}
300  DF  .~.~.~> For forced air supply

DEFINITION

Classification: 110/299

Having flow controller:

(under subclass 298) Apparatus provided with means to directly modify the direction, velocity, or pressure of the fluid through the hollow grate.

SEE OR SEARCH CLASS

266, Metallurgical Apparatus,

187, for an ore treating or metal extracting apparatus provided with flow regulated fluid feed means.