ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,183, issued on March 24, was assigned to Siemens Industry Inc. (Alpharetta, Ga.).

"Solid-state aided airgap for dc circuit breakers" was invented by Guang Yang (Johns Creek, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A DC solid-state circuit breaker includes a power electronics section, an airgap section, and a sensing and control circuit. The power electronics section includes a first solid-state switching component. The airgap section is connected in series with the power electronics section to establish a main current path. The airgap section implements an isolation switch connected in series with a fail-safe interruption circuit that in...