Bridgestone has been granted a patent for a non-pneumatic tire featuring an inner and outer annular body connected by an elastically deforming member. It includes a tread portion, an electrode portion in contact with the tread, and a wiring portion made of a conductor, with part of the wheel made from non-metallic material. GlobalData’s report on Bridgestone 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 Bridgestone, Anti-skid tyre treads was a key innovation area identified from patents. Bridgestone's grant share as of July 2024 was 48%. Grant share is based on the ratio of number of grants to total number of patents.
The granted patent US12054012B2 describes a non-pneumatic tire that features a unique construction aimed at enhancing performance and functionality. The tire comprises a wheel portion with an inner annular body and an outer annular body, connected by a deformable member. A tread portion is positioned radially outward of the outer annular body, designed for road contact. Notably, the tire includes an electrode portion, which can be located inside or in contact with the tread, and a wiring portion that connects the electrode to the inner annular body. The electrode is annular and extends along the tire's circumferential direction, with specific dimensions in both width and length. Importantly, at least part of the wheel portion is made from a non-metallic material.
Further claims detail the electrode's coverage, indicating that it can span the entire width of the outer annular body. The wiring portion may be embedded within the wheel portion, and certain sections of the tread and electrode can be designed to be wider than other areas. Additionally, the electrode can be formed from a metal cord arranged in a spiral belt, with the wiring connected to this cord. The patent emphasizes the integration of these components to create a non-pneumatic tire that potentially offers improved durability and performance characteristics compared to traditional pneumatic tires.
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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.
