Gas separation – Combined or convertible
Reexamination Certificate
2006-04-06
2009-12-22
Hopkins, Robert A (Department: 1797)
Gas separation
Combined or convertible
C055S481000, C055S486000, C055S487000, C055S472000, C055S473000, C055S467000, C055S493000, C055S506000, C119S418000, C119S419000, C119S420000, C119S448000, C119S500000, C232S043100, C232S043400
Reexamination Certificate
active
07635401
ABSTRACT:
This system provides an air-ventilating and cleaning element positioned within a housing. The housing contains multiple vents in the housing walls. The vents serve as channels that enable air to flow into and out of the air-ventilating device. The air-ventilating and cleaning element can vary and can range from a simple air ventilator to and an air purifier. The cleaning element can contain a filter element to further facilitate cleaning of the air. The cleaning element can be positioned in the housing on a track or pin to allow for movement of the cleaning element within the housing. Movement of the cleaning element may be desired in order to more efficiently clean air channeled through the device. Because of the ability to move the cleaning element, air flow through the device can be adjusted depending on a particular cleaning application.
REFERENCES:
patent: 5809936 (1998-09-01), Wall
patent: 6997138 (2006-02-01), Simpson
patent: 7112232 (2006-09-01), Chang et al.
patent: 2005/0097870 (2005-05-01), Moshenrose
patent: 2006/0042205 (2006-03-01), Kalous et al.
Hopkins Robert A
Lundeen Daniel N.
Lundeen & Lundeen PLLC
Pham Minh-Chau T
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