Patent assignee · DK · COMPANY

Vestas Wind Systems A/S

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1,501Patents
1,464Active
1,501Granted
66Portfolio score

Filing activity: Oct 5, 2000 → Feb 11, 2025 · 240 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6566764B2 Variable speed wind turbine having a matrix converter Emerging Cross-Sectional Technologies 158 Expired
US6856038B2 Variable speed wind turbine having a matrix converter Emerging Cross-Sectional Technologies 96 Expired
US6619918B1 Method of controlling the operation of a wind turbine and wind turbine for use in said method Emerging Cross-Sectional Technologies 81 Expired
US7015595B2 Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control Emerging Cross-Sectional Technologies 73 Expired
US6933625B2 Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control Emerging Cross-Sectional Technologies 68 Expired
US6856040B2 Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control Emerging Cross-Sectional Technologies 66 Expired
US8317479B2 Segmented rotor blade extension portion Emerging Cross-Sectional Technologies 57 Active
US8348622B2 Wind turbine blades made of two separate sections, and method of assembly Emerging Cross-Sectional Technologies 48 Active
US8162590B2 Wind turbine blade and a pitch controlled wind turbine Emerging Cross-Sectional Technologies 48 Active
US6853094B2 Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch control Emerging Cross-Sectional Technologies 47 Expired
US6856041B2 Variable speed wind turbine having a passive grid side rectifier with scalar power control and dependent pitch Emerging Cross-Sectional Technologies 44 Expired
US7207777B2 Methods of handling wind turbine blades and mounting said blades on a wind turbine, system and gripping unit for handling a wind turbine blade Emerging Cross-Sectional Technologies 41 Expired
US7156586B2 Wind turbine with floating foundation Emerging Cross-Sectional Technologies 38 Expired
US7521105B2 Connection between composites with non-compatible properties and method for preparation Emerging Cross-Sectional Technologies 38 Expired
US7802412B2 Method of constructing large towers for wind turbines Emerging Cross-Sectional Technologies 38 Expired
US6872049B2 Wind turbine comprising a planetary gear Emerging Cross-Sectional Technologies 35 Expired
US7927070B2 Pitch controlled wind turbine blade, a wind turbine and use thereof Emerging Cross-Sectional Technologies 34 Active
US7102247B2 Circuit arrangement and methods for use in a wind energy installation Emerging Cross-Sectional Technologies 33 Expired
US7914259B2 Wind turbine blades with vortex generators Emerging Cross-Sectional Technologies 31 Active
US7494324B2 Member for potential equalising Emerging Cross-Sectional Technologies 27 Expired
US8678746B2 Wind turbine blade and a pitch controlled wind turbine Emerging Cross-Sectional Technologies 25 Active
US7931444B2 Wind turbine with rotor blades equipped with winglets and blades for such rotor Emerging Cross-Sectional Technologies 25 Active
US8198742B2 Variable speed wind turbine with a doubly-fed induction generator and rotor and grid inverters that use scalar controls Emerging Cross-Sectional Technologies 25 Active
US7854589B2 Wind turbine, a method for damping edgewise oscillations in one or more blades of a wind turbine by changing the blade pitch and use hereof Emerging Cross-Sectional Technologies 24 Active
US7332827B2 Method for controlling a power-grid connected wind turbine generator during grid faults and apparatus for implementing said method Emerging Cross-Sectional Technologies 23 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.