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.

Date of Patent:
Jun. 03, 2025

Filed:

Apr. 30, 2019
Applicant:

Philip Morris Products S.a., Neuchatel, CH;

Inventor:

Stefan Lauenstein, Neuchatel, CH;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24F 40/40 (2020.01); A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/46 (2020.01); A24F 40/485 (2020.01);
U.S. Cl.
CPC ...
A24F 40/40 (2020.01); A24F 40/42 (2020.01); A24F 40/46 (2020.01); A24F 40/485 (2020.01); A24F 40/10 (2020.01);
Abstract

A heater assembly is provided for an aerosol-generating system having a liquid storage portion configured to hold a liquid aerosol-forming substrate, the heater assembly including: an electric heater configured to heat the substrate to form an aerosol; and a capillary body configured to convey the substrate from the liquid storage portion of the system to the heater, the heater being disposed on an outer surface of the capillary body and including a heating layer including a porous sheet of electrically conductive material, the porous sheet being embossed to define a plurality of recesses on its lower surface configured to retain the substrate by capillary action and a plurality of corresponding raised portions on its upper surface, and at least part of each of the plurality of recesses being spaced from the outer surface of the capillary body in a perpendicular direction.


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