US Patent Issued to Philip Morris Products on March 4 for "Device for heating aerosol-forming substrate with air preheat" (Swiss Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,160, issued on March 4, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).

"Device for heating aerosol-forming substrate with air preheat" was invented by Roland Antonopoulos (Neuchatel, Switzerland), Teemu Maattanen (Bern, Switzerland) and Giovanna Landi (Mur, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shisha device comprises (i) a vessel having an interior volume configured to contain a liquid; and (ii) a receptacle configured to receive a cartridge including an aerosol-forming substrate. The shisha device comprises a heating element configured to heat the aerosol-forming substrate when the cartridge is receive...