US PATENT SUBCLASS 122 / 475
.~.~.~.~ Superheater

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

459  DF  STEAM TREATMENT {7}
*  DD  .~ Water tube boiler {7}
*  DD  .~.~ Standpipe {1}
*  DD  .~.~.~ Spur tube {1}
475.~.~.~.~ Superheater

DEFINITION

Classification: 122/475

(under subclass 459) Subject matter relating to the structure and general arrangement of a steam superheater in the combustion space of a water tube boiler having a stand pipe provided with spur water tubes.