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:
Dec. 29, 2020

Filed:

Apr. 06, 2018
Applicant:

Altria Client Services Llc, Richmond, VA (US);

Inventors:

Guillaume Colotte, Lausanne, CH;

Stephane Bilat, Areuse, CH;

Assignee:

Altria Client Services LLC, Richmond, VA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 23/18 (2006.01); A24F 47/00 (2020.01);
U.S. Cl.
CPC ...
G01F 23/18 (2013.01); A24F 47/008 (2013.01);
Abstract

A aerosol-generating system includes a liquid storage portion, a liquid pressure sensor within the liquid storage portion, and a control unit that is in communication with the pressure sensor. The aerosol-generating system further includes an atmospheric pressure sensor in communication with the control unit. The atmospheric pressure sensor is configured to sense the atmospheric pressure of the environment. The control unit is configured to receive the pressure signals from the liquid pressure sensor and the atmospheric pressure sensor. The control unit is further configured to determine the fill level of the liquid aerosol-forming substrate based on a comparison of the pressure signals from the liquid pressure sensor and the atmospheric pressure sensor.


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Colotte, Guillaume. (2020). Device and method for checking fill level of a cartridge (U.S. Patent No. 10876879). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10876879

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