Air filter

Details Air filter Air filter

1995-09-25

1998-12-15

Weiss, John G.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820011, 12820013, 12820416, A62B 710

Patent

active

058485929

ABSTRACT:
A personal use air filter includes a water chamber through which the air is initially bubbled to remove particulates, vapors and gases and to humidify and cool the air before it is delivered to the user. In most cases additional filtering is provided downstream of the water bath using an adsorbent filter or an adsorbent filter in combination with a particulates filter. The unit may be power operated using batteries contained within the housing in a sealed battery compartment.

REFERENCES:
patent: 1170526 (1916-02-01), Gaither
patent: 1196539 (1916-08-01), Goldberg
patent: 1948945 (1934-02-01), Seijo
patent: 2085155 (1937-06-01), Heidbrink
patent: 2088720 (1937-08-01), Poliniak
patent: 3580430 (1971-05-01), Angele
patent: 4146026 (1979-03-01), Montalvo
patent: 4304230 (1981-12-01), Seufert
patent: 4790307 (1988-12-01), Haber et al.
patent: 5194664 (1993-03-01), Rhea
patent: 5322060 (1994-06-01), Johnson
patent: 5394870 (1995-03-01), Johansson

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