ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,530, issued on Dec. 30.
"Mechanical electrostatic filter assembly" was invented by Effy Shaarabany (Ramat-Gan, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved mechanical electrostatic filter assembly for filtering an air stream from particulates, comprising either a single cartridge or multiple cartridges positioned in a consecutive manner, either close together or separated from one another via air gaps, each of the multiple cartridges comprising inner filtering media, each of the multiple cartridges haying a back wall and a front wall, each of the back wall and each of the front wall having multiple openings through which the air...