航空领域增材制造技术专利态势分析

Analysis on Patent Situation of Additive Manufacturing Technology in Aeronautic Field

增材制造技术(3D打印)不仅可以大幅度节约原材料,而且可以使设计人员快速实现和验证设计方案,能够解决传统工艺流程复杂、周期长、原料利用率低等问题,被认为是推动新一轮工业革命的重要契机。专利文献是世界上数量最大的信息源之一,世界上每年发明创造成果的90%~95%可以在专利文献中查到。本文检索了航空领域增材制造技术相关专利文献,进行了专利申请量和申请人、专利全球地域布局、各技术方向专利申请、技术类别分布等多维度专利信息分析,明晰了增材制造技术发展路线图,预测了技术发展趋势,并从加强人才队伍建设、加快技术研发投入、加强创新成果知识产权保护、适时构建增材制造产业联盟、跟踪主要竞争对手专利申请动向等方面提出建议,以规避潜在的知识产权侵权风险,为航空领域增材制造技术发展提供参考借鉴。

Additive manufacturing technology(3D printing)can not only greatly save raw materials,but also enable designers to quickly realize and verify the design scheme.3D printing can solve the problems of traditional complex technological process,long cycle and low utilization rate of raw materials.It is regarded as an important opportunity to promote a new round of industrial revolution.Patent documents are one of the largest sources of information in the world.90%~95%of the world's invention and creation achievements can be found in patent documents every year.In this paper,the patent document of 3D printing related to aeronautic field was retrieved.The patent application and the applicant,the global geographical patent layout,an application for a patent for the technical direction and technology category distribution,multidimensional patent information are analyzed.Development roadmap of additive manufacturing technology is clarified,and the developing trend of technology is forecasted.Suggestions are put forward,such as strengthening the construction of talent team,accelerating the investment in technological research and development,strengthening the protection of intellectual property rights of innovation achievements,timely building the alliance of additive manufacturing industry,tracking the patent application trend of major competitors,etc.Through this paper,the potential risk of infringement of intellectual property can be avoided,and the reference for the development of manufacturing technology in aviation field is provided.