ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,990, issued on Feb. 24, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Dynamic power supply load spreading to optimize overall efficiency" was invented by Luke L. Jenkins (Poughkeepsie, N.Y.), John S. Werner (Fishkill, N.Y.) and Arkadiy O. Tsfasman (Wappingers Falls, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and apparatus for system power supply. A power demand of a system having a first power supply unit (PSU) and a second power supply unit (PSU) is monitored. An efficiency profile of the first PSU is accessed. An efficiency profile of the second PSU is accessed. A load split between the first and second PSU...