ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,990, issued on April 29, was assigned to Optivolt Labs Inc. (San Francisco).

"Solar charge controller adaptable for multiple solar substring chemistries and configurations" was invented by Linda Irish (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for balancing voltages in solar substrings in a first solar panel includes an inductive balancer circuit. The inductive balancer circuit includes a first power level pair and a second power level pair each coupled to the solar substring, and including: a pair of switches arranged in series; a pair of capacitors arranged in series and connected in parallel to the first pair of switches; a...