Lockheed Martin had two patents in 3D printing during Q3 2023. The first patent is for a method of assembling a mandrel using interlocking features to form a compartment, with a support member inserted radially inward. The second patent is for a method of forming a balanced rotor blade assembly by measuring the weight of sub-components, determining the core configuration, and fabricating and assembling the core with the sub-components. GlobalData’s report on Lockheed Martin gives a 360-degreee view of the company including its patenting strategy. Buy the report here.

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Lockheed Martin grant share with 3D printing as a theme is 0% in Q3 2023. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Collapsible spar mandrel (Patent ID: US20230249809A1)

Lockheed Martin Corp. has filed a patent for a method of assembling a mandrel, which is a tool used in manufacturing processes. The method involves assembling multiple members with interlocking features to form a compartment that matches the shape of the inner surface of a spar. A support member is then inserted into the compartment to provide additional stability. The interlocking features allow the mandrel to remain assembled without the support member.

The patent also describes a specific mandrel assembly that includes four members with interlocking features and a support member with vanes. Each member of the assembly has a surface contour that matches a specific portion of the spar surface. The interlocking features, which consist of tongue and groove portions, allow the members to be interconnected. The support member has vanes that fit into grooves on each member, further enhancing the stability of the assembly.

The support member has a planar base that matches the contour of the compartment formed by the assembled members. It is designed with four vanes arranged in a cross pattern. The first member of the assembly matches the surface contour of the spar's leading edge, while the second member matches the trailing edge. The interlocking features on each member are configured to form an S-shaped pattern, with the groove portion connected to the tongue portion.

Overall, this patent from Lockheed Martin Corp. presents a method and assembly for constructing a mandrel that conforms to the shape of a spar surface. The interlocking features and support member ensure the stability of the mandrel during manufacturing processes.

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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.