4. Gas separation
  5. With nonliquid cleaning means for separating media
  6. Solid agent cleaning member movingly contacts apparatus

Richard William Wellens

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Cyclonic filter for surface maintenance machine

Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Reexamination Certificate

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Filter cleaning apparatus

Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2158568

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