ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,564, issued on May 26, was assigned to Power Management Holdings (U.S.) Inc. (Waukesha, Wis.).

"Moving and storing energy between utility's energy delivery networks" was invented by Malcolm Stuart Metcalfe (North Vancouver, Canada) and John Todd Sankey (Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first energy converter that can consume a first physical energy form of a first energy delivery network can be controlled to produce a second physical energy form of a second energy delivery network and inject the second physical energy form into the second energy delivery network. A second energy converter that can consume the second ...