US PATENT SUBCLASS 202 / *
.~.~ Autothermic


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

Internet Version by PATENTEC © 1999      Terms of Use



202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
*  DD  .~ Types {3}
*.~.~ Autothermic {5}
210  DF  .~.~.~> Heap
211  DF  .~.~.~> Kiln {3}
215  DF  .~.~.~> Directly heated chamber {1}
217  DF  .~.~.~> Retort {6}
227  DF  .~.~.~> Quencher {3}