US PATENT SUBCLASS 122 / 123
.~.~ Separate compartment

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

44.1  DF  FIRE TUBE {11}
114  DF  .~ Vertical {13}
123.~.~ Separate compartment

DEFINITION

Classification: 122/123

(under subclass 114) Devices provided with separate compartments either by diaphragms extending across the tubes or by complete boiler sections superposed or placed side by side, and having the feed water introduced into the compartment farthest from the fire box.

SEE OR SEARCH THIS CLASS, SUBCLASS:

83, for horizontal fire tube boilers having a progressive heating of the feed water.

122, and 125, for analogous art.