ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,271, issued on Sept. 2, was assigned to ECOLE DE TECHNOLOGIE SUPERIEURE (Montreal).
"Multilevel power converter" was invented by Kiavash Askari Noghani (Ottawa) and Kamal Al-Haddad (Montreal, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multilevel power converter is provided. A first cell comprises a first switch and a second switch connectable to a load via a first terminal and connected in series on opposite poles of a DC source. A second cell comprises a third switch and a fourth switch connectable to the load via a second terminal and connected in series on opposite poles of a DC capacitor. An intermediate cell connects the first and ...