Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 16, 2008
Patent Application Number
11458677
Date Filed
July 19, 2006
Patent Primary Examiner
Patent abstract
A window screen apparatus employing electrostatic principles to purify air. The window screen mesh wires encompass electrically-conductive filaments that are charged by a high-voltage DC pulse generator. Between and surrounding the wires an electric field is created that charges, traps, and repels airborne particulate. An alternative embodiment consists of a window screen in which the screen mesh wires are manufactured from permanently electrostatically charged fibers.
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