ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,478, issued on Feb. 10.
"Radiant heater" was invented by Brandon Tartaglia (Mississauga, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A body defines a void and an aperture and has a reflective surface, the void communicating with the aperture and the reflective surface presenting towards the aperture. A structure, adapted to produce infrared radiation, is positioned in the void such that infrared radiation produced by the structure is directed to the aperture. An optical filter is positioned to at least substantially occlude the aperture, the filter being adapted for through passage of the infrared radiation directed to the aperture and fur...