ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,429, issued on Nov. 3, was assigned to General Electric Co. (Evendale, Ohio).

"Metal-air battery combustion engine hybrid system" was invented by Muqing Ren (Schenectady, N.Y.), Jeffrey N. Slotnick (Niskayuna, N.Y.), Joseph J. Shiang (Niskayuna, N.Y.), Jonathan Doll (Niskayuna, N.Y.), Kmk Genghis Khan (Niskayuna, N.Y.), Abhinav Saxena (San Ramon, N.Y.) and Daniel J. Erno (Clifton Park, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid propulsion system includes an engine which includes a metal-air battery pack, a combustion chamber, and a propulsion power bus. The propulsion power bus is configured to receive energy from the metal-air batt...