ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,635, issued on Nov. 18, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).

"Aerosol-generating system with leakage prevention" was invented by Rui Nuno Batista (Morges, Switzerland), Ricardo Cali (Mannheim, Germany), Daria Tzimoulis (La Croix-sur-Lutry, Switzerland) and Adela Sahraoui (Lausanne, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aerosol-generating system is provided, including: a first air inlet and an air outlet; a liquid storage portion holding a liquid aerosol-forming substrate and having a liquid outlet and a storage portion air inlet; an airflow passage from the first air inlet to the air outlet pa...