Eco-Friendly Personal Exhalant Filter
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
Apr 4, 2023
filing date -
Jan 31, 2017
priority date (Note) -
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Abstract
As an accessory to cannabis and other smokers, an increased capacity, environmental and ecological friendly, sustainable solution personal air filter is disclosed. The solution effectively and efficiently combines passive filter medium and properties of fluid mechanics to achieve the increased capacity. Additionally, a specific order of passive filter elements is provided to increase filtering efficiency. Wherever possible, biodegradable materials are employed such a biodegradable PLA polymers.
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Family
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