ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,000, issued on April 29, was assigned to ENTRANTECH INC. (Gilroy, Calif.).

"Charging and discharging control of energy devices in a power system" was invented by Kong-Chen Chen (Gilroy, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control switch incorporating a 1:2 demultiplexer is used to control timing for a concurrent switching, break-before-make and make-before-break power multiplexing, and is configurable to link a plurality of the control switches into a control chain to perform sequential charging, sequential discharging, parallel charging, parallel discharging, and concurrent sequential charging and discharging for a plurality of b...