Medtronic had eight patents in batteries during Q1 2024. Medtronic Plc has developed devices and techniques for determining the state-of-charge of a battery, including estimating end-of-discharge state, remaining capacity, and full charge capacity. They have also designed a lithium-ion battery with an electrode assembly, battery case, and insulator to provide a barrier between the electrode assembly and the sealed lip of the housing. GlobalData’s report on Medtronic gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Medtronic grant share with batteries as a theme is 50% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Delta voltage hybrid battery fuel gauge (Patent ID: US20240094305A1)
The patent filed by Medtronic Plc describes devices and methods for determining the relative state-of-charge of a battery. The device includes memory, a battery, a temperature sensor, and processing circuitry. The processing circuitry estimates the end-of-discharge state-of-charge, remaining capacity, full charge capacity, and relative state-of-charge of the battery based on various factors such as voltage differences, battery temperature, and maximum battery capacity. The estimated relative state-of-charge is then outputted for further use or transmission to another device, making it suitable for applications in implantable medical devices.
The method outlined in the patent involves estimating the end-of-discharge state-of-charge of a battery by considering factors like voltage differences and cutoff voltage. It further includes estimating the remaining capacity and full charge capacity of the battery based on various calculations involving state-of-charge, maximum battery capacity, and battery temperature. The relative state-of-charge of the battery is then determined by dividing the estimated remaining capacity by the estimated full charge capacity. This method can be executed by processors using instructions stored in a non-transitory storage medium, providing a comprehensive approach to accurately determining the state-of-charge of a battery for efficient use in various devices, including implantable medical devices.
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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.
