Commercial Metals has patented a system for installing aggregate piers in soil matrices. The system includes a pipe with a helix for advancing/withdrawing, a torque driver interface, and a compacting device for compacting soil. The method involves creating a void, filling it with aggregate, and compacting the soil. GlobalData’s report on Commercial Metals 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 Commercial Metals, Commercial Metals's grant share as of March 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.

System for installing aggregate pier in soil matrix

Source: United States Patent and Trademark Office (USPTO). Credit: Commercial Metals Co

A recently granted patent (Publication Number: US11952736B2) describes a system for installing an aggregate pier in a soil matrix. The system includes a pipe with a bore, a helix for advancing and withdrawing the pipe in the soil matrix, and a compacting device for exerting forces on the surrounding soil. The system also features a control device to regulate the flow of aggregate material through the pipe during installation. Additionally, the pipe can be extended by combining multiple sections to increase its length, and the compacting device is designed as a frustum to efficiently compact the soil.

The method outlined in the patent involves rotating the pipe in different directions to advance, withdraw, and fill the void created in the soil matrix with aggregate material. By repeating this sequence of steps, the aggregate pier is gradually formed in the soil. The method also includes the use of a control device to manage the flow of aggregate material and ensure proper installation. Furthermore, the ratio of the distances the pipe moves during withdrawal and advancement, as well as the design of the compacting device as a frustum, are key aspects of the method to create lifts in the aggregate pier efficiently. Overall, the system and method described in the patent aim to provide a practical and effective solution for installing aggregate piers in soil matrices.

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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.