BAE Systems had nine patents in 3D printing during Q4 2023.The patent filed by BAE Systems Plc in Q4 2023 describes a method of fabricating an article from a precursor metal with a closed pore through hot isostatic pressing (HIPing) at specific temperatures, pressures, and durations to control the morphology of the closed pore. GlobalData’s report on BAE Systems gives a 360-degreee view of the company including its patenting strategy. Buy the report here.

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BAE Systems grant share with 3D printing as a theme is 55% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Powder hot isostatic pressing cycle (Patent ID: US20230339021A1)

The patent filed by BAE Systems Plc describes a method for fabricating an article from a precursor by hot isostatic pressing (HIPing) a metal with a closed pore at specific temperatures, pressures, and durations to control the morphology of the closed pore. The method involves encapsulating a powder of an a + ß Ti alloy in a container, cold pressurizing the precursor, and then HIPing it at specific pressures (75 MPa to 150 MPa) and temperatures (850°C to 950°C) to fabricate the article. The ratio of the first pressure to the Nth pressure is crucial, falling within a range from 1:2 to 9:10.

Furthermore, the method includes specific steps such as isobarically cooling the precursor at ambient pressure, depressurizing the article isothermally towards ambient pressure, and subsequently cooling it from the Nth temperature towards ambient temperature. The particles of the powder may contain entrapped bubbles of argon, with a dimension of at least 50 µm. The fabricated article can be used for aerospace, vehicle, or medical components, with the a + ß Ti alloy specified as a Ti-6Al-4V alloy. The patent outlines various ratios, temperatures, pressures, and cooling rates to ensure the successful fabrication of the desired article with controlled pore morphology.

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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.