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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.:

US 11083228 B1

PDFFull Text
Date of Patent:
Aug. 10, 2021

Filed:

Mar. 20, 2020

E-cigarette personal vaporizer

Applicant:

Ayr Ltd., London, GB;

Inventors:

Kaveh Memari, London, GB;

Adrian Bennett, London, GB;

Ian Murison, London, GB;

Stephen Marsh, London, GB;

Assignee:

AYR LTD., London, GB;

Attorney:

Saul Ewing Arnstein & Lehr LLP

Primary Examiner:

Eric Yaary

Int. Cl.
CPC ...
A24F 47/00 (2020.01); A24F 40/95 (2020.01); H02J 50/10 (2016.01); H02J 7/00 (2006.01); H02J 7/35 (2006.01); A24F 40/485 (2020.01); A24F 40/40 (2020.01); A24F 40/50 (2020.01); A24F 40/90 (2020.01); A24F 40/48 (2020.01); A24F 15/015 (2020.01); A24F 40/60 (2020.01); B65B 3/04 (2006.01); B65D 25/00 (2006.01); G01F 23/00 (2006.01); A24F 40/10 (2020.01); G09F 23/00 (2006.01);
U.S. Cl.
CPC ...
A24F 40/95 (2020.01); A24F 15/015 (2020.01); A24F 40/40 (2020.01); A24F 40/48 (2020.01); A24F 40/485 (2020.01); A24F 40/50 (2020.01); A24F 40/60 (2020.01); A24F 40/90 (2020.01); B65B 3/04 (2013.01); B65D 25/005 (2013.01); G01F 23/00 (2013.01); H02J 7/00 (2013.01); H02J 7/0042 (2013.01); H02J 7/0044 (2013.01); H02J 7/35 (2013.01); H02J 50/10 (2016.02); H05K 999/00 (2013.01); H05K 999/99 (2013.01); A24F 40/10 (2020.01); A61M 2209/045 (2013.01); G09F 2023/0025 (2013.01); H02J 7/0063 (2013.01);
Abstract

An e-cigarette PV that includes an air pressure valve or device so that excess air can escape from an e-liquid reservoir in the PV when that reservoir is being filled under pressure with e-liquid from a parent reservoir. The valve or device is a barrier made of an air-porous material, such as a sintered polymer or metal, coated with or otherwise including a barrier or layer of an air-porous substance that is not porous to e-liquid, such as an oleophobic material or a hydrophobic or super-hydrophobic material. The oleophobic material is one of: sintered phosphor bronze, sintered stainless steel and sintered PU plastic.

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