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Efficient lightweight vacuum
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Photo-catalytic air purifier system with illuminated angled substrate
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Air flow path to cool a vacuum cleaner belt
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Upright vacuum with floating head
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Upright vacuum with reduced noise
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Method and system of detecting a blockage in a vacuum cleaner
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Upright vaccum with an automated diverter valve
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A canister vacuum cleaner
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Portable canister vacuum
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Rotatable coupling for steering vacuum cleaner
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Air cleaner with photo-catalytic oxidizer
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Air cleaner with multiple orientations
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CA2689875A1
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Tilt sensor for cleaning device
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