ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,182, issued on Oct. 7.
"Filtering device" was invented by Yu Tang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filtering device, including: a filter layer, where the filter layer is enclosed into a cylindrical structure; a support frame includes at least one support ring arranged at the end of the cylindrical structure, the support ring is provided with a plurality of elastic connection portions and a plurality of support ring segments, and two adjacent support ring segments are connected by using one elastic connection portion; the elastic connection portion is capable of being elastically deformed when subjected to an external ...