Offshore Wind Turbine Patent Landscape 2026
Offshore Wind Turbine Patent Landscape in 2026
The offshore wind turbine patent field is highly concentrated, with Siemens Gamesa Renewable Energy and Vestas Wind Systems alone accounting for the two largest positions among 12,751 patent families in scope. The field is still expanding on a multi-year basis, though annual filing volume has eased from its 2022 peak, and China leads all jurisdictions in filing activity.
Two European OEMs dominate a moderately concentrated field
Siemens Gamesa Renewable Energy leads with 1,314 patent families, followed closely by Vestas Wind Systems at 1,244 — together these two incumbents set the competitive baseline for the entire technology space.
The top five filers account for 35% of the combined output of the hundred largest filers, signaling meaningful concentration at the top while leaving room for challengers in mid-tier positions held by General Electric Renovables España, Siemens AG, and Huaneng Clean Energy Research Institute.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Siemens Gamesa Renewable Energy AS | 1,314 | |
| 2 | Vestas Wind Systems AS | 1,244 | |
| 3 | General Electric Renovables España SL | 402 | |
| 4 | Siemens AG | 331 | |
| 5 | Huaneng Clean Energy Research Institute | 275 | |
| 6 | Mitsubishi Heavy Industries Ltd | 253 | |
| 7 | GEOSEA | 206 | |
| 8 | Principle Power Inc | 190 | |
| 9 | General Electric Company | 181 | |
| 10 | University of Maine | 181 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | GE Renewable Technology Wind BV | 176 | |
| 12 | PowerChina Huadong Engineering Corporation Ltd | 165 | |
| 13 | Wobben Properties GmbH | 164 | |
| 14 | Orsted Wind Power AS | 162 | |
| 15 | Dalian University of Technology | 149 | |
| 16 | GOLDWIND SCI & TECH CO LTD | 137 | |
| 17 | MHI Vestas Offshore Wind AS | 131 | |
| 18 | China Three Gorges Corporation | 121 | |
| 19 | Saipem SA | 121 | |
| 20 | Tianjin University | 120 |
The leaders’ scale implies deep defensive coverage of core turbine mechanics and offshore installation methods; entrants and challengers must either carve differentiated sub-technology positions or target geographies and branches where the incumbents’ density is lower.
Filing counts for 2024–2025 are subject to publication lag and should be treated as provisional minimums rather than evidence of a slowdown. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volume plateaued near its 2022 peak; core turbine mechanics dominate but marine and foundation branches are substantial
The annual trend and IPC branch composition together reveal a maturing but still active field where the primary technology class is flanked by a wide set of enabling disciplines.
Annual filing trend
Filings grew steadily from 828 in 2017 to a peak of 2,037 in 2022, then eased to 1,959 in 2023 and 1,553 in 2024; 2025–2026 figures are substantially under-counted due to publication lag and do not represent a true decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
F03D (Wind motors / wind turbines) is the dominant branch by a wide margin, with B63B (Ships and marine vessels) a distant but significant second, reflecting the installation-vessel and floating-platform dimension of offshore work; E02D (Foundations and earth drilling) and E02B (Hydraulic and waterway engineering) follow, confirming that subsea and structural engineering are integral to the field.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Floating offshore wind farm, a floating offshore w…
A floating offshore wind turbine and a floating offshore wind farm with at least one floating offshore wind turbine are provided. The floating offshore wind turbine includes a floating platform anchored to an underwater ground, a wind turbine mounted on the floating platform, and a drive. The drive is adapted to horizontally move the floating platform… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Offshore wind turbine | 408 |
| 2 | System, method, rotating machine and computer prog… | 333 |
| 3 | Offshore wind turbine with multiple wind rotors an… | 281 |
| 4 | Offshore wind turbine and method for making same | 238 |
| 5 | Column-stabilized offshore platform with water-ent… | 224 |
| 6 | Wind farm supervision monitoring system | 208 |
| 7 | Offshore wind turbine with floating foundation | 202 |
| 8 | Hybrid thermodynamic cycle and hybrid energy system | 187 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure means for R&D investment decisions
Four structural dimensions — maturity, concentration, collaboration, and geography — each point to distinct strategic implications for teams evaluating where to allocate offshore wind IP resources.
Field is at or near peak activity — entering a maturity phase
Annual filings plateaued near their 2022 peak of 2,037 and have since eased, a pattern consistent with a maturing technology. The multi-year growth window from 2017 remains positive at 25%, but the rate-of-change signal has flattened. New entrants should expect dense prior-art coverage in core turbine design and must differentiate in adjacent or enabling sub-technologies.
Mature / plateauingTwo-tier structure with a clear incumbent duopoly
Siemens Gamesa (1,314 patent families) and Vestas (1,244) hold commanding positions well above the next tier, where General Electric Renovables España (402), Siemens AG (331), and Huaneng Clean Energy Research Institute (275) cluster. The gap between tiers is large enough that mid-tier players are competing primarily with each other, not with the leaders, in most technology sub-branches.
High concentrationHuaneng group entities form the most active co-filing network
Huaneng Clean Energy Research Institute co-files most actively with Huaneng Offshore Wind Power Science and Technology Research (76 joint filings), Huaneng Guangdong Shantou Offshore Wind Power (55), and Huaneng International Power Jiangsu Energy Development (51). This dense intra-group collaboration suggests a coordinated Chinese state-enterprise R&D model that aggregates IP across operating subsidiaries, which non-Huaneng players will encounter as a consolidated bloc in freedom-to-operate analysis.
Intra-group clusteringChina leads filing volume; Europe and the US are essential validation markets
China is the leading filing jurisdiction, followed by EPO (Europe) and the United States. WIPO (PCT) filings indicate broad global protection strategies by the leading OEMs. Australia, South Korea, Denmark, and Canada form a secondary tier relevant to active offshore development markets. Entrants seeking commercial freedom-to-operate in Europe and the US face the densest incumbent coverage.
China-led, trilateral coreGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Huaneng Clean Energy Research Institute | Huaneng Offshore Wind Power Science and Technology Research Co., Ltd. | 76 |
| Huaneng Clean Energy Research Institute | Huaneng Guangdong Shantou Offshore Wind Power Co., Ltd. | 55 |
| Huaneng Clean Energy Research Institute | Huaneng International Power Jiangsu Energy Development Co., Ltd. | 51 |
| Huaneng Clean Energy Research Institute | Shengdong Rudong Offshore Wind Power Co., Ltd. | 41 |
| Huaneng Clean Energy Research Institute | China Huaneng Group Co., Ltd. South Branch | 41 |
| Huaneng Clean Energy Research Institute | Huaneng (Zhejiang) Energy Development Co., Ltd. | 30 |
| Huaneng Clean Energy Research Institute | Huaneng Rudong Baxianjiao Offshore Wind Power Generation Co., Ltd. | 14 |
| Huaneng Clean Energy Research Institute | Huaneng Yantai New Energy Co., Ltd. | 11 |
| Huaneng Clean Energy Research Institute | Huaneng (Guangdong) Energy Development Co., Ltd. | 11 |
| Huaneng Clean Energy Research Institute | Huaneng Group Technology Innovation Center Co., Ltd. | 9 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Siemens Gamesa and Vestas lead on volume; Huaneng and GEOSEA show differentiated positioning
The top two players are both European OEMs with broad F03D coverage, while challengers differentiate through installation-vessel technology, floating platforms, or concentrated Chinese market activity.
Siemens Gamesa Renewable Energy
Holds 1,314 patent families, the largest position in the field, concentrated in wind turbine maintenance, offshore installation (F03D 80), and control/performance sub-classes (F03D 7). Recent filings show a +11% momentum trend, indicating continued active prosecution rather than a legacy-only portfolio.
patent families: 1,314Vestas Wind Systems
Holds 1,244 patent families with heavy emphasis on rotor and blade design (F03D 1), offshore installation (F03D 13), and turbine control (F03D 7). Recent filing momentum is –21%, suggesting a relative pullback in new prosecution compared to the prior period — a signal worth monitoring for potential white-space opening in Vestas-dominated sub-classes.
patent families: 1,244| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Siemens Gamesa Renewable Energy | 471 | ▲ +11% |
| Vestas Wind Systems | 177 | ▼ -21% |
| GEOSEA | 126 | ▲ +12% |
| General Electric Renovables España SL | 129 | ▲ +8% |
| Huaneng Clean Energy Research Institute | 131 | ▲ +41% |
| Mitsubishi Heavy Industries | 12 | ▼ -25% |
| General Electric Company | 1 | ▼ -98% |
| DEME Offshore BE | 12 | ▼ -90% |
Under-served adjacent branches worth monitoring
Several IPC branches appear in the corpus at lower relative density compared to the dominant F03D class, suggesting areas where the patent landscape is less crowded and where targeted filings could establish differentiated positions.
H02J · Power Supply & Grid Systems
This branch accounts for a comparatively small share among the whitespace candidates, covering grid integration, power quality, and offshore substation connectivity. As offshore wind capacity scales and grid-code compliance becomes more stringent, IP covering dynamic reactive power control, offshore HVDC collection systems, and black-start capability has plausible commercial value. The relatively sparse coverage relative to the dominant turbine-mechanics branches suggests an entry path for grid-technology specialists and power-electronics firms not currently prominent in the offshore wind ranking.
Search this in Eureka →B66C · Cranes & Hoists
Marine lifting and heavy-lift crane systems for offshore turbine installation appear at moderate density in the corpus, but the concentration of this activity in a small number of installation-vessel specialists (notably GEOSEA) leaves room for differentiated filings. The technical value is high — monopile upending, nacelle lifts in sea state, and blade installation tooling are critical bottlenecks for project economics. Equipment OEMs and subsea contractors with lifting-system expertise represent a realistic entry path.
Search this in Eureka →How leading applicants differ across technology sub-routes
Strength of each leader across the main technology routes.
| Player | F03D 13 · Wind motors (wind turbines) | B63B 35 · Ships & marine vessels | F03D 9 · Wind motors (wind turbines) | F03D 80 · Wind motors (wind turbines) | F03D 1 · Wind motors (wind turbines) |
|---|---|---|---|---|---|
| Siemens Gamesa Renewable Energy | Strong · 374 | Absent | Strong · 220 | Strong · 404 | Moderate · 131 |
| Vestas Wind Systems | Strong · 339 | Absent | Moderate · 160 | Strong · 254 | Strong · 348 |
| Huaneng Clean Energy Research Institute | Strong · 147 | Strong · 76 | Moderate · 57 | Moderate · 56 | Absent |
| Mitsubishi Heavy Industries | Absent | Moderate · 54 | Strong · 112 | Strong · 87 | Moderate · 44 |
| GEOSEA | Strong · 190 | Strong · 106 | Absent | Absent | Absent |
| Siemens AG | Absent | Absent | Strong · 96 | Strong · 53 | Strong · 104 |
| DEME Offshore BE | Strong · 130 | Strong · 66 | Absent | Absent | Absent |
Frequently asked questions
The corpus covered in this analysis contains 12,751 patent families, representing global filings across all major offshore wind turbine technology branches.
Siemens Gamesa Renewable Energy leads with 1,314 patent families, followed by Vestas Wind Systems at 1,244 patent families. Together they hold the two largest positions by a substantial margin over the next-ranked filers.
China is the leading filing jurisdiction. Europe (EPO) and the United States follow as the next most active filing destinations, with WIPO (PCT) filings reflecting broad global protection strategies by the major OEMs.
The field has reached a maturity stage. Annual filings plateaued near a 2022 peak and have since eased, though the multi-year growth window from 2017 remains positive at 25%. This pattern indicates a maturing technology with dense prior-art coverage in core sub-classes.
F03D (Wind motors and wind turbines) is the dominant branch by a wide margin. B63B (Ships and marine vessels) is the second-largest, reflecting the importance of installation vessels and floating platforms. E02D (Foundations and earth drilling) and E02B (Hydraulic and waterway engineering) are also substantial, underscoring the structural and subsea engineering demands of offshore deployment.
Huaneng Clean Energy Research Institute is the most active co-filer, collaborating extensively with multiple Huaneng group subsidiaries including Huaneng Offshore Wind Power Science and Technology Research (76 joint filings), Huaneng Guangdong Shantou Offshore Wind Power (55), and Huaneng International Power Jiangsu Energy Development (51). This represents a coordinated intra-group IP aggregation strategy within China’s state enterprise sector.
Ready to map your own offshore wind IP position?
Join 18,000+ innovators using PatSnap Eureka to map any technology landscape: search 2B+ patents and papers, surface key assignees, and generate a report like this in minutes.
Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. PatSnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.