Louisiana-Pacific has patented a system for enhancing the acoustic performance of manufactured wood products by integrating noise-dampening polymer during production. The polymer is strategically applied to the product’s back face, improving sound insulation in applications like siding and flooring. GlobalData’s report on Louisiana-Pacific 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 Louisiana-Pacific, Structure Building Framework was a key innovation area identified from patents. Louisiana-Pacific's grant share as of July 2024 was 28%. Grant share is based on the ratio of number of grants to total number of patents.
Noise-dampening polymer for improved acoustic performance in wood products
The granted patent US12054945B2 describes a product designed to enhance acoustic dampening, specifically a manufactured wood product featuring a structured arrangement of noise-dampening polymer. The product includes a first edge, a second edge, a front face, and a back face, with multiple pieces of noise-dampening polymer affixed to the back face. Notably, at least two of these polymer pieces are strategically spaced at predetermined distances from the first edge and from each other, allowing for optimized sound absorption. The claims further detail various configurations for the placement of the polymer, including locations near both edges of the wood product and the option for continuous or intermittent application of the polymer.
Additional claims elaborate on the arrangement of the polymer pieces, suggesting that they can be applied in parallel lines, with specific spacing options such as multiples of 16, 24, or 48 inches from the first edge. The design also considers alignment with nail lines on the front face and the spacing of underlying structural elements like joists or studs. The polymer used in this product is specified to be a viscoelastic type, which can be heat cured or applied as a hot melt, enhancing its effectiveness in sound dampening. This innovative approach aims to improve the acoustic performance of manufactured wood products, making them suitable for various applications where noise reduction is desired.
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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.
