ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,744, issued on Dec. 16, was assigned to ACD Antriebstechnik GmbH (Achstette, Germany).
"Operating unit and a method for operating a plant with an operating unit" was invented by Aaron Fesseler (Achstetten, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An operating unit and a method for operating a plant with an operating unit. The operating unit comprises a communication port configured to provide communication between the operating unit and at least one plant, an indicator unit provided at the operating unit and configured to output a state of the plant, and safety electronics comprising at least one safe input and at least one safe output...