ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,523, issued on April 21, was assigned to Mark Sullivan (Houston).

"Apparatus for protecting motors" was invented by Mark Sullivan (Houston) and Michael Gordon (Pittsburg, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for when utility power is restored after a period of running on a backup generator, inhibiting a transfer switch if the two sources are out of phase, monitoring the phase difference between utility power and the generator output, and changing from the generator to the utility feed when the two phases are sufficiently aligned."

The patent was filed on Oct. 4, 2023, under Application No. 18/480,878.

*For fu...