ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,492, issued on March 18, was assigned to HUAWEI DIGITAL POWER TECHNOLOGIES Co. LTD. (Shenzhen, China).

"Centralized uninterruptable power supply system" was invented by Chuntao Zhang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a power supply system. The power supply system includes first switch module, an UPS, and a plurality of power consumption branches. An input end of the first switch module is connected to a plurality of power supply apparatuses. An output end of the first switch module is connected to an input end of the UPS. The first switch module is switched between the plurality of power suppl...