US PATENT SUBCLASS 122 / 436
.~.~ Spray

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

412  DF  FEED HEATERS {17}
435  DF  .~ Pan in steam space {1}
436.~.~ Spray

DEFINITION

Classification: 122/436

(under subclass 435) Subject matter with means for spraying feed water to the pan. The pan is generally provided with means for collecting the sediment and blowing it off.