US Patent Issued to Otis Elevator on May 27 for "Power management in an elevator system" (Spanish, German, American Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,211, issued on May 27, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Power management in an elevator system" was invented by Virgilio Valdivia Guerrero (Roquetas de Mar, Spain), Ismail Agirman (Southington, Conn.), Daniel Diaz-Lopez (Tres Cantos, Spain), Mario Sanz Abia (Valladolid, Spain), Stephan Glessner (Berlin) and Herbert Horbrugger (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power management system for an elevator system. A power management system for an elevator system includes a power converter having three input terminals, two of the three input terminals coupled to a main power source for supplying single-phase AC p...