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US Patent 7828866 Dirt and dust cyclonic separating apparatus

Patent 7828866 was granted and assigned to Dyson (company) on November, 2010 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
Dyson (company)
Dyson (company)
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
78288661
Patent Inventor Names
James Dyson1
Ricardo Gomiciaga-Pereda1
Stephen Benjamin Courtney1
Date of Patent
November 9, 2010
1
Patent Application Number
117942261
Date Filed
May 9, 2006
1
Patent Citations Received
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US Patent 12121198 Surface cleaning apparatus
2
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US Patent 11653800 Handheld vacuum cleaner
3
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US Patent 12065854 Pool cleaner with cyclonic flow
4
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US Patent 12102205 Hair care appliance with powered attachment
5
Patent Primary Examiner
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Robert A. Hopkins
1
Patent abstract

A cyclonic separating apparatus includes a first cyclonic separating unit including at least one first cyclone, a second cyclonic separating unit located downstream of the first cyclonic separating unit and including at least one second cyclone, and a third cyclonic separating unit located downstream of the second cyclonic separating unit and including at least one third cyclone. The separation efficiency of the second cyclonic separating unit is substantially the same as the separation efficiency of either the first cyclonic separating unit or the third separating unit, providing an apparatus which achieves a higher separation efficiency than known separation apparatus.

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