US PATENT SUBCLASS 55 / 285
.~.~ Ferris wheel type filter unit arrangement

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

282  DF  WITH NONLIQUID CLEANING MEANS FOR SEPARATING MEDIA {13}
284  DF  .~ With sequential cleaning of plural units {2}
285.~.~ Ferris wheel type filter unit arrangement

DEFINITION

Classification: 55/285

(under subclass 284) Apparatus in which the separating media are arranged about a horizontal axis and form a type of circular cylinder or wheel and spoke-like arrangement with the said entities at the periphery or rim.