ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,853, issued on May 12, was assigned to Blueair AB (Englewood Cliffs, N.J.).
"Air purifier" was invented by Lars Henrik Dunberger (Stockholm), Alagirisamy Nethaji (Mumbai, India) and Johan Daniel Wennerstrom (Sollentuna, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable air purifier comprising a removable filter, an air flow generator, a temperature sensor, a humidity sensor, a processor for processing input from the temperature sensor and the humidity sensor, and means for activating said air flow generator from a stand-by configuration based on input from both said temperature and humidity sensors and a method for activating an air fl...