The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2026
Filed:
Dec. 13, 2021
Philip Morris Products S.a., Neuchatel, CH;
Robert Emmett, Neuchatel, CH;
Eva Saade Latorre, Colombier, CH;
Philip Morris Products S.A., Neuchatel, CH;
Abstract
A cartridge for an aerosol-generating system is provided, the cartridge including: a reservoir configured for liquid aerosol-forming substrate; a heating element configured to heat the liquid aerosol-forming substrate from the reservoir; and a wall including a porous material, such that: a first space adjacent to the heating element and between the wall and the heating element forms a hot zone, a second space adjacent to the heating element forms a feed zone, the reservoir is in fluid communication with the feed zone and the hot zone, at least a portion of the wall is positioned between the hot zone and the reservoir, the wall is in contact with the hot zone and the reservoir, and a portion of the wall in contact with the feed zone is thinner than a portion of the wall in contact with the hot zone.