ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,512, issued on Sept. 29, was assigned to pathOtrak Inc. (College Park, Md.).

"Fluid filtration device" was invented by Javier Atencia (Bethesda, Md.) and Ethan Reggia (Beltsville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are systems, devices, and methods for filtering a fluid. The fluid may include or may be suspected to include a particle. The systems may include a filtration housing and a filter at least partially compressed within the housing. Compression of the filter set by the housing may result in a gradation of effective pore sizes of the filter, allowing for particles of various sizes to be captured within the fi...