US Patent Issued to Hitachi Energy on July 29 for "Method for re-establishing an electrical apparatus of medium or high voltage" (Swiss Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,472, issued on July 29, was assigned to Hitachi Energy Ltd (Zurich, Switzerland).

"Method for re-establishing an electrical apparatus of medium or high voltage" was invented by Johannes Hengstler (Zurich, Switzerland), Saskia Buffoni (Lenzburg, Switzerland), Ulrich Straumann (Winterthur, Switzerland), Manuel Naef (Rapperswil-Jona, Switzerland) and Loic Fave (Fribourg, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for re-establishing an electrical apparatus of medium or high voltage. The method includes providing an electrical apparatus designed for using an insulation medium containing SF6, remo...