US PATENT SUBCLASS 422 / 309
.~.~ Including comminuting, kneading, or surface-wiping means interior or vessel

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

243  DF  PHYSICAL TYPE APPARATUS {8}
307  DF  .~ Heat treating vessel with heating means {2}
309.~.~ Including comminuting, kneading, or surface-wiping means interior or vessel

DEFINITION

Classification: 422/309

Including comminuting, kneading, or surface-wiping means interior of vessel:

(under subclass 307) Apparatus having means within the vessel providing contact and relative movement between two or more apparatus elements for comminuting or kneading the material or wiping the surface of the vessel wall.