ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,429, issued on Oct. 20, was assigned to Igus GmbH (Cologne, Germany).

"Drag chain" was invented by Marcel Klein (Hennef, Germany) and Jorg Dommnik (Cologne, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drag chain comprising a plurality of chain links connected to one another in an articulated manner for guiding cables between two connection points, wherein opposing link plates and crosspieces of the chain links form a receiving space for the at least one cable, wherein the drag chain can be arranged and moved as a structure formed by a lower track, an upper track and a deflection region connecting same, with the upper track being placed ...