US PATENT SUBCLASS 209 / *
.~.~ Rotating sifters

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

Internet Version by PATENTEC © 1999      Terms of Use


209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

233  DF  SIFTING {16}
268  DF  .~ With liquid treatment {3}
*.~.~ Rotating sifters {3}
270  DF  .~.~.~> Drum
271  DF  .~.~.~> Disk
272  DF  .~.~.~> Endless belt