ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,464, issued on Sept. 30, was assigned to Aurabeat Technology Ltd. (New Territories, China).

"Air filtration systems and methods of forming an air filtration system" was invented by Gin Nam Sze To (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments relate to systems and methods for forming an air filtration system. The system includes an air filter. The air filter includes a plurality of filtration surfaces, including a first outer filtration surface, a second outer filtration surface opposite to the first outer filtration surface, and one or more inner filtration surfaces provided between the first and second outer filtration surf...