ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,464, issued on Sept. 23, was assigned to MERCEDES-BENZ GROUP AG (Stuttgart, Germany).

"Insulation monitor and method for operating same" was invented by Markus Orner (Rennigen, Germany), Akin Candir (Filderstadt, Germany) and Urs Boehme (Ehningen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An insulation monitor for a high-voltage onboard electrical system of a motor vehicle is provided. A respective Y-capacitor is arranged between the positive potential and the vehicle earth and between the negative potential and the vehicle earth. The insulation monitor has a current or voltage source, a voltmeter for measuring at least one of the pote...