Exploring macro patenting trends and key technological components in offshore wind energy

IF 2.2 Q2 INFORMATION SCIENCE & LIBRARY SCIENCE World Patent Information Pub Date : 2024-08-02 DOI:10.1016/j.wpi.2024.102300

Francesco Pasimeni , Juan Pablo Jiménez Navarro , Geert Boedt , Johannes Schaaf

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Abstract

This study employs data-driven analysis to examine the patent filing statistics in the offshore wind energy sector, offering valuable insights for policymakers. The study uses data from a newly constructed patent dataset (available online for complete download) covering twelve aspects of offshore wind technology, including foundations, tower designs, transmission systems, blades, rotors, and submarine cables. The creation of the dataset is the result of the collaborative efforts of technology specialists, patent analysts, and expert patent examiners in the field of wind technology, ensuring data quality and extensive coverage of the latest offshore wind energy patents. The analysis shows a surge in global patent filings from 2006 to 2012, followed by a period of stagnation until 2017, when patent activity experienced a resurgence. Europe, Asia, and the USA emerge as prominent players, with Germany, Denmark, China, and Japan leading the charge, indicative of a global offshore wind market. Areas for further development include optimising floating foundations, improving tower and blade designs, recycling wind blades, addressing rare earth material impacts and prioritising energy storage and green hydrogen production for power system balance and decarbonisation.

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探索海上风能的宏观专利趋势和关键技术要素

本研究采用数据驱动分析法研究海上风能领域的专利申请统计数据，为政策制定者提供有价值的见解。本研究使用的数据来自新构建的专利数据集（可在线完整下载），涵盖海上风能技术的十二个方面，包括基础、塔架设计、传输系统、叶片、转子和海底电缆。该数据集的创建是风能技术领域的技术专家、专利分析师和专利审查专家共同努力的结果，确保了数据质量和最新海上风能专利的广泛覆盖。分析表明，2006 年至 2012 年间，全球专利申请量激增，随后进入停滞期，直到 2017 年专利活动出现复苏。欧洲、亚洲和美国成为主要参与者，其中德国、丹麦、中国和日本处于领先地位，这表明全球海上风能市场正在形成。有待进一步发展的领域包括优化浮动基础、改进塔架和叶片设计、回收风力叶片、解决稀土材料的影响以及优先考虑储能和绿色制氢，以实现电力系统平衡和去碳化。

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来源期刊

World Patent Information INFORMATION SCIENCE & LIBRARY SCIENCE-

CiteScore

3.50

自引率

18.50%

发文量

期刊介绍： The aim of World Patent Information is to provide a worldwide forum for the exchange of information between people working professionally in the field of Industrial Property information and documentation and to promote the widest possible use of the associated literature. Regular features include: papers concerned with all aspects of Industrial Property information and documentation; new regulations pertinent to Industrial Property information and documentation; short reports on relevant meetings and conferences; bibliographies, together with book and literature reviews.