ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,920, issued on Oct. 14, was assigned to The Florida State University Research Foundation Inc (Tallahassee, Fla.).

"Direct current hybrid circuit breaker with reverse biased voltage source" was invented by Michael Johann Steurer (Tallahassee, Fla.) and Yanjun Shi (Tallahassee, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A direct current (DC) hybrid circuit breaker (HCB) includes a current sensor and a variable inductor. In the event of a short circuit fault current reaches a preset threshold, the current sensor will send a tripping signal to a controller, and the controller will command the gate drivers to conduct all the switches in the semi...