ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,771, issued on May 6, was assigned to ULTRA SMALL FIBERS LLC (Wartrace, Tenn.).
"Nanofiber filter wraps" was invented by William H. Hofmeister (Nashville, Tenn.), Robert A. Van Wyk (St. Petersburg, Fla.) and Collin D. Anderson (Arlington Heights, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nanofiber filter wrap is a filter element comprising a polymer film including a first surface, a second surface opposite the first surface, an array of nanofibers extending from the first surface, a first end, a second end opposite the first end, and opposing first and second edges extending from the first end to the second end. The polymer film is wound...