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1、epo.orgOffshore wind energyPatent insight reportNovember 2023OFFSHORE WIND ENERGY PATENT INSIGHT REPORTepo.org|02ContentsExecutive summary 031.Introduction 061.1 The role of offshore wind energy in energy transition.061.2 About the study .082.Methodology 092.1 Using patent information.092.2 Patent s

2、earch.093.Results 143.1 Patent trends in offshore wind energy technologies.143.1.1 Patent filings.143.1.2 Top applicant countries.173.1.3 Top patent offices.193.1.4 Top applicants.203.1.5 Maturity map.253.1.6 Citations .273.2 Technology concept grouping.303.2.1 Fixed and floating foundations(QA&QB).

3、313.2.2 Towers(QH).353.2.3 Mechanical power transmission(QC).383.2.4 Blades and rotors(QI).423.2.5 Hybrid systems:solar and ocean energy(QE).463.2.6 Energy Storage(QD).503.2.7 Grid,submarine cables and protections(QJ&QL).524.Conclusion 54Glossary and notes 56Table of contents|Executive summary|1.Int

4、roduction|2.Methodology|3.Results|4.ConclusionOFFSHORE WIND ENERGY PATENT INSIGHT REPORTepo.org|03OFFSHORE WIND ENERGY PATENT INSIGHT REPORTepo.org|03Executive summaryOffshore wind energy is a clean and renewable source of electricity generation.It helps to combat climate change(UN Sustainable Devel

5、opment Goal 13)by reducing greenhouse gas emissions,air pollution and the reliance on fossil fuels for electricity production,thus contributing to a more sustainable energy mix.Offshore wind energy plays a significant role in supporting UN Sustainable Development Goal 7(SDG 7),which aims to ensure a

6、ccess to affordable,reliable and sustainable energy for all by 2030.In a collaborative effort by the European Patent Office(EPO)and the International Renewable Energy Agency(IRENA),this patent insight report examines the global evolution of patent filings published between 2002 and 2022 in the domai