ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,858, issued on June 17, was assigned to Victaulic Co. (Easton, Pa.).
"Torsion resistant coupling" was invented by Eric Frank Finlayson (Stroudsburg, Pa.) and Christopher Albright (Allentown, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coupling for joining first and second pipe elements in includes first and second rings attachable to pipe elements. Each ring defines a groove and a plurality of receiving surfaces adjacent to the groove. Segments are attachable end to end to surround a central space and the rings. Each segment includes keys projecting toward the central space for engagement with each groove of the rings. Each segment includes...