ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,876, issued on Oct. 28, was assigned to KFT FIRE TRAINER LLC (Allendale, N.J.).

"Fire simulator" was invented by Steven J. Williamson (Wayne, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments and methods described herein relate to fire training systems and to fire simulators or fire training apparatus. In some embodiments, an apparatus includes a housing with a surface and an interior volume. A smoke generator is disposed within the interior volume of the housing and is configured to selectively generate smoke. A port is extended between the smoke generator and the surface of the housing and is configured to permit at least a port...