Rolls-Royce had 15 patents in 3D printing during Q4 2023. Rolls-Royce Holdings Plc filed patents related to acoustic panels for gas turbine engines, manufacturing methods for pulsed electrochemical machining tools, a pECM system with sealing arrangements, and a three-dimensional screen printing method for powder metallurgical components. GlobalData’s report on Rolls-Royce gives a 360-degreee view of the company including its patenting strategy. Buy the report here.

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Rolls-Royce grant share with 3D printing as a theme is 53% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Acoustic panel with 3d printed cell structure support layer (Patent ID: US20230351995A1)

Rolls-Royce Holdings Plc has filed a patent for acoustic panels designed for gas turbine engines. The panels consist of a coversheet with apertures and a 3D printed support layer made of polymer with cell openings, directly printed onto the inner face of the coversheet. The support layer is intended to absorb impact energy and deform under compressive forces, enhancing the panel's performance and durability.

The patent claims detail the specific features of the acoustic panel, such as the shape of the cells, the material of the support layer (including filled thermoplastic like polyaryletherketone), and the presence of attachment members for structural integrity. The method for forming the panel involves 3D printing the support layer onto the coversheet, which can also be 3D printed and made of continuous fiber composite. This innovative approach aims to improve the acoustic properties and structural strength of the panels, showcasing Rolls-Royce's commitment to advancing technology in the aerospace industry.

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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.