US PATENT SUBCLASS 122 / *
.~ Superheater


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

459  DF  STEAM TREATMENT {7}
*.~ Superheater {8}
480  DF  .~.~> Damper-controlled
481  DF  .~.~> Firebox
482  DF  .~.~> Fire tube in steam space
483  DF  .~.~> Indirectly heated
484  DF  .~.~> Separate charges
485  DF  .~.~> Separate furnace
486  DF  .~.~> Steam dome
487  DF  .~.~> Water-injected