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US Patent 11744421 Surface cleaning apparatus

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Date Filed
January 21, 2021
Date of Patent
September 5, 2023
Patent Application Number
17154310
Patent Citations
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US Patent 10827889 Surface cleaning apparatus
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US Patent 10932634 Surface cleaning apparatus
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US Patent 7335242 Multi cyclone dust-collecting apparatus
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US Patent 7488362 Dust collection assembly of vacuum cleaner
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US Patent 7540894 Subsection dedusting device for a vacuum cleaner
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US Patent 7645309 Dust collection unit and vacuum cleaner with the same
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US Patent 7708789 Vacuum cleaner with cyclonic dirt separation and bottom discharge dirt cup with filter
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US Patent 7887612 Vacuum cleaner with a plurality of cyclonic cleaning stages
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US Patent 8206482 Vacuum appliance filter assemblies and associated vacuum systems
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US Patent 8544143 Vacuum cleaner with removable dust collector, and methods of operating the same
•••
Patent Inventor Names
Wayne Ernest Conrad
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11744421
Patent Primary Examiner
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Minh Chau T Pham
CPC Code
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A47L 9/102
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A47L 9/122
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A47L 9/322
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A47L 9/22
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B01D 45/12
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A47L 9/2884
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A47L 5/24
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A47L 9/10
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A47L 9/20
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B01D 2279/55

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