ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,829, issued on Dec. 30, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).

"Safe shutdown of an inverter" was invented by Robert Maier (Neudrossenfeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An output stage for an inverter for driving an electrical machine includes a half-bridge containing a current valve embodied as a JFET. The current valve is configured to be controlled by a driver. The output stage comprises a cutout circuit for opening the current valve when the driver has no supply voltage, wherein the cutout circuit includes a capacitor and a diode, which are connected in series between a gate terminal and a sou...