ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,194, issued on May 12, was assigned to NEXANS (Courbevoie, France).

"Device and method for measuring space charge in an electric cable specimen" was invented by Raphael Guffond (Lyons, France) and Baptiste Meneguzzo (Lyons, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device (10) for measuring space charge in a high-voltage direct current electric cable includes a DC voltage source (12), a voltage step generator (14), a first electrode (16) connected to the DC voltage source (12) and to the voltage step generator (14), a second electrode (18) that is grounded, a piezoelectric sensor (20) connected to the second electrode (18), an electrica...