Neck-worn air filtration device
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United States of America Patent
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Aug 8, 2017
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N/A
app pub date -
Jun 26, 2015
filing date -
Feb 23, 2007
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Abstract
A neck-worn personal air filtration device for filtering aero-allergens and providing a zone of filtered air around or near a user's breathing zone is described. The device may include an air source adapted to deliver a pressurized airflow, a hose, and a neck-worn plenum including a filter. The airflow being caused to accumulate within the plenum and exit the plenum through the air permeable surface. The air is filtered by a filter for breathing by the user.
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