ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,515, issued on April 14.
"Air evacuator" was invented by William Morosky (Erie, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air evacuator includes a dome having an exterior surface, an interior funneling surface, an air intake end, and an air outlet end, the dome being significantly wider at the air intake end than at said air outlet end. An inlet allows air from outside the air evacuator to be drawn into the dome. A vent tube is positioned to receive air from the air outlet end of the dome. An air pump is positioned to move air in the air evacuator and through a filter. One or more interior-aimed ultraviolet lamps positioned within the a...