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US Patent 11889969 Surface cleaning apparatus
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Edits on 9 Feb, 2024
"Created via: Patent importer"
Golden AI
created this topic on 9 Feb, 2024
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US Patent 11889969 Surface cleaning apparatus
Article
Patent abstract
A stick surface cleaning apparatus has a cyclone unit provided in the wand.
Infobox
Is a
Patent
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
11889969
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Patent Inventor Names
Wayne Ernest Conrad
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Date of Patent
February 6, 2024
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Patent Application Number
17149672
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Date Filed
January 14, 2021
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Patent Citations
US Patent 7135051 Dirt cup filter with pre-filtration cap
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US Patent 7159270 Vacuum cleaner adapters and assemblies including the same
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US Patent 7163568 Bagless dustcup
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US Patent 7171724 Multifunctional electric cleaning apparatus
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US Patent 7291193 Cyclone dust collector and vacuum cleaner therewith
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US Patent 7370387 Hand-holdable vacuum cleaners
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US Patent 7381248 Cyclone dust-separating apparatus with discharge electrodes
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US Patent 7615089 Filter assembly and cyclone dust collecting apparatus having the same
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US Patent 7645309 Dust collection unit and vacuum cleaner with the same
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US Patent 7731769 Cyclonic dust collection unit and filter structure thereof
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US Patent 7757344 Upright vacuum cleaner
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US Patent 8152877 Shroud for a cleaning service apparatus
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US Patent 8156609 Handheld cleaning appliance
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US Patent 8167964 Cyclonic chamber for air filtration devices
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US Patent 8225456 Hand held vacuum cleaner
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US Patent 8607407 Configuration of a hand vacuum cleaner
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US Patent 8959707 Vacuum cleaner
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US Patent 9034067 Cyclone separating apparatus of vacuum cleaner
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US Patent 9451852 Surface cleaning apparatus with different cleaning configurations
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US Patent 6890375 Cyclonic air filter with exit baffle
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US Patent 6891355 Method for computing an amount of energy taken from a battery
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US Patent 6909266 METHOD OF REGULATING AN OUTPUT VOLTAGE OF A POWER CONVERTER BY CALCULATING A CURRENT VALUE TO BE APPLIED TO AN INDUCTOR DURING A TIME INTERVAL IMMEDIATELY FOLLOWING A VOLTAGE SENSING TIME INTERVAL AND VARYING A DUTY CYCLE OF A SWITCH DURING THE TIME INTERVAL FOLLOWING THE VOLTAGE SENSING TIME INTERVAL
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Patent Primary Examiner
David Redding
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CPC Code
A47L 9/322
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A47L 9/2868
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A47L 9/22
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A47L 9/16
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A47L 9/1691
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A47L 9/1683
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A47L 9/1666
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A47L 9/165
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A47L 9/1625
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A47L 9/1633
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A47L 9/1608
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A47L 9/122
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A47L 9/106
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A47L 5/28
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A47L 5/24
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A47L 5/225
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