The United States Steel has been granted a patent for a unique threaded pipe connection design. The connection features wedge-shaped threads on the pin and box members, with varying widths and taper angles to concentrate stress and ensure controlled engagement during rotation. GlobalData’s report on United States Steel 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 United States Steel, Anti-corrosive metal tyre reinforcements was a key innovation area identified from patents. United States Steel's grant share as of March 2024 was 91%. Grant share is based on the ratio of number of grants to total number of patents.

Threaded connection for tubular components with tapered threads

Source: United States Patent and Trademark Office (USPTO). Credit: United States Steel Corp

A recently granted patent (Publication Number: US11965611B2) discloses a novel threaded connection design for tubular components, such as pipes, aimed at enhancing structural integrity and stress distribution. The invention involves a first tubular component with pin threads and a second tubular component with box threads, each designed with specific width and taper angles to create a bias that concentrates stress on specific flanks. This configuration ensures stress decreases along the connection, promoting durability. Additionally, the design is structured to engage threads in a controlled manner during rotation, optimizing the connection process.

Furthermore, the patent includes variations in the threaded connection design, such as different taper angles between pin and box threads, root width rate variances, and specific configurations to prevent trapping thread compounds. The threaded connection is also adaptable for metal-to-metal sealing members, enhancing its versatility and potential applications in various industries. Overall, the patented threaded connection design offers a unique approach to improving the performance and reliability of pipe connections, showcasing innovation in the field of tubular component engineering.

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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.