ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,612, issued on Sept. 16, was assigned to General Electric Co. (Evendale, Ohio).

"Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation" was invented by Darek Tomasz Zatorski (Fort Wright, Ind.), Kurt David Murrow (Springboro, Ohio), Paul Robert Gemin (Cincinnati), Philip M. Cioffi (Schaghticoke, N.Y.) and John Russell Yagielski (Scotia, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsion assembly includes a first torque source coupled with a first shaft and a second torque source coupled with a second shaft. A coupler selectively couples the first and second torque sources. When the first an...