US Patent Issued to INVENTIO on March 17 for "Drive of an elevator system" (Swiss, German Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,082, issued on March 17, was assigned to INVENTIO AG (Hergiswil, Switzerland).

"Drive of an elevator system" was invented by Roman Hopp (Nuremberg, Germany) and Thomas Eilinger (Kussnacht a/Rigi, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator system drive includes: an electric machine: a first converter electrically connected to an alternating current source and the electric machine: a drive controller controlling the drive: a drive safety circuit unit electrically connected to a safety circuit of the elevator system, to a controller of the elevator system, and to the drive controller; and at least one mechanical brake that ...