ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,563, issued on Nov. 11, was assigned to Viega Technology GmbH & Co. KG (Attendorn, Germany).

"System for connecting rigid pipes and for connecting flexible pipes, and fittings for such a system" was invented by Sudi Sinoplu (Attendorn, Germany), Stefan Rocksloh (Attendorn, Germany), Fabian Duperthal (Lennestadt, Germany), Anton Hartmann (Attendorn, Germany), Paul Koster (Olpe, Germany), Philipp Dasbach (Wilnsdorf, Germany), Mesut Avci (Attendorn, Germany), Jorg Rosenthal (Reichshof-Eckenhagen, Germany) and Andreas Muller (Freudenberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a system for connecting rigid pipes ...