KT&G’s patented cartridge design includes a storage for aerosol material, a heater, and a terminal for power transfer from an external battery. The terminal’s unique conductive structure allows for efficient heating. GlobalData’s report on KT&G gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on KT&G, Behavioral biometrics was a key innovation area identified from patents. KT&G's grant share as of January 2024 was 27%. Grant share is based on the ratio of number of grants to total number of patents.

Cartridge for heating aerosol generating material using external battery

Source: United States Patent and Trademark Office (USPTO). Credit: KT&G Corp

A recently granted patent (Publication Number: US11882876B2) discloses a cartridge designed for an aerosol generating device. The cartridge includes a storage for the aerosol generating material, a heater to generate aerosol, and at least one terminal to transfer power from an external battery to the heater. The unique feature of the terminal is a conductive structure that takes a compressed form, ensuring contact with the wire connected to the heater. The conductive structure can be transformed from various shapes, such as pipe-shaped structures or multi-sided surfaces, to optimize the electrical connection within the cartridge.

Furthermore, the patent also covers an aerosol generating device that incorporates the aforementioned cartridge. The device consists of a main body electrically connected to the cartridge, with the same innovative terminal design for power transfer. The conductive structure of the terminal can be compressed to ensure proper contact with the wire, providing efficient heating of the aerosol generating material. Additionally, the device includes a controller in the main body to generate a notification signal if the terminals are not electrically connected, enhancing user safety and device functionality. Overall, the patented technology aims to improve the performance and reliability of aerosol generating devices through innovative terminal design and electrical connection methods.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.