AB Electrolux has been granted a patent for a method of controlling robotic cleaning devices. The method involves storing area representations, receiving cleaning instructions, and moving while avoiding specified areas. This innovation allows for efficient and user-friendly cleaning programs. GlobalData’s report on AB Electrolux 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 AB Electrolux, Cleaning robots was a key innovation area identified from patents. AB Electrolux's grant share as of February 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.

Robotic cleaning device controlled by stored area representation

Source: United States Patent and Trademark Office (USPTO). Credit: AB Electrolux

A recently granted patent (Publication Number: US11921517B2) discloses a method and a robotic cleaning device for controlling the movement of the device over an area to be cleaned. The method involves storing a representation of the area, identifying boundaries within the area that cannot be traversed, receiving user advice on executing a cleaning program, associating the advice with the stored representation, localizing the device, and moving it while avoiding specified sub-areas until counter advice is received. The device includes a propulsion system, memory for storing representations, and a controller for identifying boundaries, receiving user advice, localizing the device, and controlling its movement based on the stored representation and user advice.

Furthermore, the patent includes additional features such as deactivating instructions if the device is unable to pass a boundary, prioritizing sub-areas to be cleaned, storing representations only with associated user advice, requesting advice from users, canceling stored representations for new cleaning areas, proposing sub-areas for cleaning, and receiving user instructions on how to proceed. The robotic cleaning device is designed to handle various scenarios, including boundaries identified as objects extending vertically above the cleaning area, with the controller capable of deactivating instructions based on user advice. Overall, the patent outlines a comprehensive method and device for efficient and user-controlled cleaning operations, enhancing the functionality and adaptability of robotic cleaning technology.

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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.