ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,776, issued on May 27, was assigned to Transportation IP Holdings LLC (Norwalk, Conn.).

"Electric power system and method" was invented by Subhas Chandra Das (Bangalore, India) and Sarit Ratadiya (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric power system includes an inverter device coupled with a motor. The inverter device receives from the motor electric energy generated by dynamic braking of the motor. An energy storage device is coupled with the inverter device, and a variable resistive component is disposed between the inverter device and the energy storage device. The variable resistive component controls a direct...