US PATENT SUBCLASS 422 / 258
.~.~.~ Including rotating chamber or rotating member within chamber; e.g., mixer-settler, etc.

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

Internet Version by PATENTEC © 1999      Terms of Use


422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

243  DF  PHYSICAL TYPE APPARATUS {8}
255  DF  .~ Means separating or dissolving a material constituent {3}
256  DF  .~.~ Liquid-liquid contact means {3}
258.~.~.~ Including rotating chamber or rotating member within chamber; e.g., mixer-settler, etc. {1}
259  DF  .~.~.~.~> Having rotating member within chamber

DEFINITION

Classification: 422/258

Including rotating chamber or rotating member within chamber; e.g., mixer-settler, etc.:

(under subclass 256) Apparatus having a rotatable containing means or a rotating means within the containing means.

SEE OR SEARCH CLASS

494, Imperforate Bowl: Centrifugal Separators,

22, for a separator of that class and the introduction thereto of differing weight fluids for counter current flow therein.