ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,381, issued on April 14, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"Boost-based power factor correction with closed-loop control" was invented by Deepak B. Mahajan (Bengaluru, India), Abhijit Kulkarni (Bengaluru, India), Ritu Rai (Bengaluru, India) and Nipun Kumar Chawda (Bengaluru, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Boost-based power factor correction with closed-loop control is described herein. Some embodiments include a current-source fed power factor correction circuit, comprising a current transformer configured to step down a current from a current source, a diode bridge rectifier connected to the curr...