ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,429, issued on April 14, was assigned to ABB Schweiz AG (Baden, Switzerland).
"Wear ring" was invented by Bernd Joesten (Laatzen, Germany) and Slavko Markovic (Kloten, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a wear ring (10) for mounting on a pipe, tube, cable or the like, more particularly on a corrugated pipe (14). The wear ring (10) comprises two ring halves (18a, 18b), which can be interconnected to form a ring (18), wherein a fastening structure (26), by structures of which the ring (18) can be fixed on the corrugated pipe (14), is provided on the ring halves (18a, 18b). The ring halves (18a, 18b) co...