Voestalpine has been granted a patent for a stock rail design for railroad switches. The innovation involves a specific machining process of the rail head to optimize performance. The design ensures the running edge remains consistent, enhancing overall rail functionality and safety. GlobalData’s report on Voestalpine gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Data Insights Voestalpine AG - Company Profile

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According to GlobalData’s company profile on Voestalpine, Tunnel Boring Machines was a key innovation area identified from patents. Voestalpine's grant share as of January 2024 was 69%. Grant share is based on the ratio of number of grants to total number of patents.

Improved stock rail design for railroad switches

Source: United States Patent and Trademark Office (USPTO). Credit: Voestalpine AG

A recently granted patent (Publication Number: US11821148B2) discloses a novel stock rail design for use in railroad switches. The stock rail comprises a first longitudinal section forming an abutment region for a tongue rail and a second longitudinal section outside this region. The design includes a gradual width reduction in the rail head from a point with no width reduction to a point with maximum reduction, resulting in a running edge closer to the central axis at the latter point. The patent also details specific angles, distances, and inclinations for the chamfer and running edge, enhancing the functionality and performance of the rail.

Furthermore, the patent describes the integration of this stock rail into a railroad switch, along with a reinforced tongue rail designed to complement the stock rail's reduced width in the abutment region. The tongue rail's vertical height increases towards the end of abutment, ensuring a secure connection with the stock rail. The design elements aim to optimize the interaction between the stock rail and tongue rail, enhancing the overall efficiency and safety of railroad switches. Overall, the patented technology offers a unique and innovative solution for improving the performance and reliability of railroad infrastructure.

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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.