US PATENT SUBCLASS 122 / 482
.~.~ Fire tube in steam space

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


122 /   HD   LIQUID HEATERS AND VAPORIZERS

459  DF  STEAM TREATMENT {7}
*  DD  .~ Superheater {8}
482.~.~ Fire tube in steam space

DEFINITION

Classification: 122/482

(under subclass 459) Subject matter relating to boilers having fire tubes in the steam space of the boiler for superheating the steam.

SEE OR SEARCH THIS CLASS, SUBCLASS:

463, for fire tubes heating a separate steam chamber in the boiler.

486, for superheated steam domes.