Patent No. EP4179891 (titled "Electronic Smoking Device And Process Of Manufacturing Thereof") was filed by Fontem Ventures on Aug 6, 2013. The application was issued on Apr 30, 2025.
Electronic smoking device with a modular design comprising a housing sleeve and an insert. The insert houses the battery, puff detector, control electronics, and charging port, while the housing sleeve accommodates the atomizer section. The insert connects to the housing sleeve via a connector that provides both mechanical and electrical connections to the atomizer section. This design enables easy assembly and maintenance, as well as the ability to charge one battery while using another.

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