ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,002, issued on Feb. 11, was assigned to JUUL Labs Inc. (Washington).
"Self-cleaning thermal flow sensor" was invented by Matthew J. Taschner (Bend, Ore.) and Maurizio Tarsia (San Carlos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The vaporizer device includes a reservoir configured to contain a vaporizable material. The vaporizer device further includes a heating element configured to vaporize the vaporizable material. The vaporizer device further includes a thermal flow sensor configured to measure a mass flow rate of the vaporizable material across the surface of the thermal flow sensor. The thermal flow sensor is positioned along an ai...