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US Patent 7547337 Multi dust-collecting apparatus

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US Patent 12121198 Surface cleaning apparatus
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US Patent 12070176 Surface cleaning apparatus
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US Patent 12065854 Pool cleaner with cyclonic flow
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US Patent 11992167 Surface cleaning apparatus
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US Patent 11986145 Surface cleaning apparatus
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US Patent 11930987 Surface cleaning apparatus
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US Patent 11918168 Surface cleaning apparatus
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US Patent 11910983 Surface cleaning apparatus
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US Patent 11903547 Surface cleaning apparatus
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US Patent 11903546 Surface cleaning apparatus
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US Patent 11779174 Surface cleaning apparatus
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US Patent 11771280 Surface cleaning apparatus with removable air treatment member assembly
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US Patent 11766156 Surface cleaning apparatus with removable air treatment member assembly
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Patent abstract

A multi dust-collecting apparatus for a vacuum cleaner separating dirt particles from air by taking two steps. The multi dust-collecting apparatus includes a dust-collecting unit to separate dirt particles from the air by using gravity and inertia, and a plurality of cyclones to swirl the air discharged from the dust-collecting unit and separate the dirt particles from the air by using centrifugal force.

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Is a
Patent
Patent
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
75473370
Date of Patent
June 16, 2009
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Patent Application Number
113174530
Date Filed
December 23, 2005
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Patent Primary Examiner
Duane Smith
Duane Smith
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0754733700
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US Patent 11666193 Surface cleaning apparatus with removable air treatment member assembly
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US Patent 11653800 Handheld vacuum cleaner
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US Patent 07547337 Multi dust-collecting apparatus US Patent 7547337 Multi dust-collecting apparatus

Infobox
Patent Number
0754733700
Patent Number
754733700

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