Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 4, 2015
0Patent Application Number
115749790
Date Filed
April 26, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In one aspect, the present invention is directed to a nose filter adapted to be inserted into a nostril, the nose filter comprising: a housing having an external shape corresponding to the nostril, for enforcing breathed air to pass through the housing; filtering membrane(s), for filtering inhaled air; a first air passageway(s), through the filtering membrane(s); a second air passageway(s), bypassing the filtering membrane(s); and valve(s), for enforcing inhaled air to pass through the filtering membrane(s), and bypass the filtering membrane(s) upon exhalation; wherein the valve(s) are operative to block the second air passageway(s) upon inhalation, and operative to open the second passageway(s) upon exhalation.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.