ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,004, issued on Feb. 25, was assigned to The George Washington University (Washington).

"Sensor network for validation of healthy buildings and transportation systems" was invented by Mark Reeves (Arlington, Va.), Rahul Simha (Springfield, Va.), Chen Zeng (Washington) and Ali Eskandarian (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are disclosed for air flow optimization. In certain embodiments, the technology is a system comprising sensors, injectors, actuators, and a system processor. In order to optimize the air flow, the system processor directs the injectors to expel aerosol particles into an environment, such t...