US PATENT SUBCLASS 34 / 124
.~.~.~ Heat exchange fluid supply and/or removal

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

Internet Version by PATENTEC © 1999      Terms of Use


34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
108  DF  .~ Rotary drums or receptacles {7}
110  DF  .~.~ External {6}
124.~.~.~ Heat exchange fluid supply and/or removal {1}
125  DF  .~.~.~.~> Removal only

DEFINITION

Classification: 34/124

(under subclass 110) Apparatus including means to supply and remove the heat exchange fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

119, for plural drums.

SEE OR SEARCH CLASS

165, Heat Exchange,

89+, for a rotary drum heat exchanger. 285, Pipe Joints or Couplings, particularly

120.1+, especially subclasses 121.3+, for the coupling means, per se. See the Search Notes thereunder.