ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,448, issued on March 18, was assigned to Franklin Fueling Systems LLC (Madison, Wis.).
"Intrinsically safe multi-drop communication hub" was invented by Vitaliy Demin (Saco, Maine), Timothy Dyson (South Berwick, Maine), John J. Gillis (Sebago, Maine) and Alexander Lapayev (Portland, Maine).
According to the abstract* released by the U.S. Patent & Trademark Office: "An intrinsically safe (IS) multi-drop communication hub operable in a hazardous environment, including a power contact; a controller and a first signal input contact; a multiplexer communicatively connected to the controller; and a communication port communicatively connected to the controller to transmit the signal d...