ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,063, issued on March 18, was assigned to CARL FREUDENBERG KG (Weinheim, Germany).

"Cleaning element" was invented by Diana Thyson (Weinheim, Germany), Dietmar van Loyen (Enkenbach-Alsenborn, Germany) and Eduard Sanz (Barcelona, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning element includes: a support body; and textile strings that are elongate. At least part of the textile strings includes a plurality of strands. A first strand a second strand of the plurality of strands run longitudinally along the at least part of the textile strings, and a third strand of the plurality of strands runs transversely to the longitudinal extent of ...