US PATENT SUBCLASS 266 / 186
.~.~ With means for feeding fluids

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

Internet Version by PATENTEC © 1999      Terms of Use


266 /   HD   METALLURGICAL APPARATUS

168  DF  MEANS FOR TREATING ORES OR FOR EXTRACTING METALS {3}
171  DF  .~ By means applying heat to work, e.g., furnace {10}
186.~.~ With means for feeding fluids {3}
187  DF  .~.~.~> With flow regulating means
188  DF  .~.~.~> With common outlet means to feed diverse fluids
189  DF  .~.~.~> With means to cool fluid feeding means

DEFINITION

Classification: 266/186

(under subclass 171) Devices including a means for introducing a gas, liquid, or combination thereof to the interior of the heating means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

218+, for a tuyere means for feeding fluid into a molten metal treating means.

265+, for tuyere structure, per se.

SEE OR SEARCH CLASS

110, Furnaces,

182.5, for a tuyere means for a furnace of general utility. 122, Liquid Heaters and Vaporizers,

6.6, for a tuyere having a closed water-cooling system.