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US Patent 11889969 Surface cleaning apparatus

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
January 14, 2021
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Date of Patent
February 6, 2024
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Patent Application Number
17149672
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Patent Citations
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US Patent 7159270 Vacuum cleaner adapters and assemblies including the same
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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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US Patent 7135051 Dirt cup filter with pre-filtration cap
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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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•••
Patent Inventor Names
Wayne Ernest Conrad
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
11889969
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Patent Primary Examiner
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David Redding
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CPC Code
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A47L 5/28
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A47L 9/106
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A47L 9/122
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A47L 9/165
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A47L 9/1666
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A47L 9/1683
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A47L 9/1691
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A47L 9/22
0
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A47L 9/2868
0
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A47L 9/322
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•••

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