US PATENT SUBCLASS 100 / 333
.~.~.~.~.~ Gas (e.g., steam)

Current as of: June, 1999
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100 /   HD   PRESSES

70 R  DF  WITH ADDITIONAL TREATMENT OF MATERIAL {6}
92  DF  .~ Heating, cooling, or drying {4}
305  DF  .~.~ In press {4}
327  DF  .~.~.~ Roll-type press {6}
332  DF  .~.~.~.~ Roll temperature conditioning means is external of roll, but in direct temperature conditioning contact with roll {1}
333.~.~.~.~.~ Gas (e.g., steam)

DEFINITION

Classification: 100/333

Gas (e.g., steam):

(under subclass 332) Apparatus wherein heat transfer fluid is conveyed to the material in a vapor state.