Onshore Wind Turbine for Renewable Integration Patent Landscape
Onshore Wind Turbine for Renewable Integration Patent Landscape in 2026
The onshore wind turbine renewable integration patent space is highly concentrated, with Phoenix II AS holding a dominant position among a small group of specialized filers. Filing activity peaked in 2020 and has since eased, placing the field in a decline phase—though adjacent branches such as grid integration and foundations remain sparsely covered and technically relevant.
Phoenix II AS leads a tightly concentrated field
Phoenix II AS ranks first among all applicants, with the top five filers collectively accounting for 47% of the combined output of the hundred largest filers—a concentration level that signals strong incumbent positioning and limited room for undifferentiated new entrants.
A clear tier gap separates Phoenix II AS from the second-ranked Vestas Wind Systems and the cluster of mid-tier filers; the top applicant alone represents a substantial share of the ranked corpus, while several players in the top ten hold single-digit patent record counts.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Phoenix II AS | 37 | |
| 2 | Vestas Wind Systems AS | 17 | |
| 3 | Exponential Renewables SL | 12 | |
| 4 | Mitsubishi Heavy Industries Ltd | 12 | |
| 5 | Ocean Wind Energy Systems | 11 | |
| 6 | GE Renovables Espana SL | 11 | |
| 7 | Siemens Gamesa Renewable Energy AS | 10 | |
| 8 | Maersk Supply Service | 8 | |
| 9 | Seatrium (SG) Pte Ltd | 7 | |
| 10 | MHI Vestas Offshore Wind AS | 6 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Alternative Sustainability IP LLC | 6 | |
| 12 | National Applied Research Laboratories | 6 | |
| 13 | IFP Energies Nouvelles | 5 | |
| 14 | Orsted Wind Power AS | 4 | |
| 15 | Equinor Energy AS | 4 | |
| 16 | Innovator Energy LLC | 4 | |
| 17 | Steven William Gee | 3 | |
| 18 | IRCA S.p.A. (Industrie Resistenze Corazzate e Affini) | 3 | |
| 19 | Wind Farm Analytics | 3 | |
| 20 | Heronemus Phyllis R HF | 2 |
The leaders’ positions imply that foundational turbine platform IP is largely controlled, but that adjacent engineering areas—installation logistics, grid connection, and substructure design—remain more fragmented and accessible to challengers.
The most recent 18–24 months of data are subject to publication lag and are likely under-counted; trends in 2024–2025 should be interpreted as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity peaked in 2020; wind turbine mechanics dominate the technology mix
Two charts together reveal how filing momentum has shifted since 2020 and how the technology branches distribute across the portfolio.
Annual filing trend
Annual filings rose sharply from 2018 to a peak in 2020, then retreated; 2023 showed a modest uptick before easing again in 2024. The 2024–2025 data points should be treated as provisional given typical publication lag. The field is in a post-peak phase, not an early-growth stage.
↗ Hover for values · click a bar to ask EurekaTechnology composition
F03D (Wind motors / wind turbines) is the dominant branch by a wide margin, reflecting the core turbine hardware focus of the corpus. Secondary branches—B63B (Ships and marine vessels), E02B (Hydraulic and waterway engineering), and B66C (Cranes and hoists)—reflect the offshore and installation-logistics dimension of many filings. Grid integration (H02J) and foundations (E02D) appear as lower-share branches, signaling relative sparsity in those technically important areas.
↗ 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.
Onshore wind turbine generator set having a compre…
The present invention relates to the technical field of wind turbine energy storage, and discloses an onshore wind turbine generator set having a compressed energy storage system, including a wind turbine generator set, an air compressor set, an air expander set and a motor generator which are provided in a wind turbine generator compartment, and a combined… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Offshore wind turbine | 408 |
| 2 | Offshore wind turbine with multiple wind rotors an… | 281 |
| 3 | Method of optimizing the power recovered by a wind… | 51 |
| 4 | Hybrid pole structure and method of assembly | 37 |
| 5 | Offshore wind turbine | 25 |
| 6 | Probing power optimization for wind farms | 22 |
| 7 | Method of securing and transferring a load between… | 21 |
| 8 | A method and system of installing a crane on a por… | 20 |
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 structure means for R&D investment decisions
The competitive structure, lifecycle stage, and technology mix together define where differentiation is still possible and where incumbents have established defensible positions.
Post-peak field; annual volume has eased from 2020 high
The lifecycle stage is Decline, with annual filings easing back from the 2020 peak. Entering with broad turbine-platform IP at this stage is high-risk; differentiation through specific sub-systems or adjacent applications is more defensible. R&D investment should target areas where the existing corpus is thin rather than replicating established filings.
Lifecycle: DeclineTop five control nearly half of the ranked filers’ output
The top five applicants account for 47% of the combined output of the hundred largest filers, and Phoenix II AS alone holds a commanding lead. This concentration raises freedom-to-operate risk for new entrants in core turbine hardware. Challengers entering via under-served branches—grid systems, foundations, or installation logistics—face lower incumbent density.
High concentrationOne confirmed co-filing pair: Mitsubishi Heavy Industries and IRCA
The only detected co-applicant relationship in the evidence is between Mitsubishi Heavy Industries and IRCA S.p.A. (Industrie Resistenze Corazzate e Affini), with three co-filed records. This is a narrow collaboration footprint for a field of this scope, suggesting most players are pursuing independent IP strategies. Ecosystem partnerships around installation, grid, or hybrid energy systems represent an under-explored co-development avenue.
Limited collaborationUnited States and EPO lead; strong Nordic and German secondary presence
The United States is the leading filing jurisdiction, followed closely by EPO and WIPO (PCT), reflecting a strategy of broad international protection by the major filers. Germany, Denmark, and the United Kingdom form a significant secondary tier, consistent with European offshore and onshore wind deployment markets. India and Singapore appear as emerging validation jurisdictions, likely tracking project pipeline expansion in Asia-Pacific.
US + EPO dominantGo 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 |
|---|---|---|
| Mitsubishi Heavy Industries Ltd | IRCA S.p.A. (Industrie Resistenze Corazzate e Affini) | 3 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Phoenix II AS leads; Siemens Gamesa and GE Renovables are new entrants gaining ground
The leader holds a large advantage in total patent records, but recent momentum data show two established industry names entering the ranked corpus as new entrants, signaling renewed interest from large OEMs.
Phoenix II AS
Phoenix II AS holds 37 patent records, the largest count in the ranked corpus, with a technology emphasis on hydraulic and waterway engineering (E02B 17) and marine vessel applications (B63B 27, B63B 35)—reflecting a platform centered on offshore-capable turbine support structures. Recent momentum shows a sharp decline (▼ –96% vs. prior period), suggesting the bulk of its foundational filing campaign is complete rather than ongoing.
patent records: 37Siemens Gamesa Renewable Energy
Siemens Gamesa Renewable Energy holds 10 patent records and is classified as a new entrant in the recent filing window (▲ new entrant), making it the most active of the newly arrived large OEMs. Its technology focus is concentrated in wind turbine drive-train and energy storage applications (F03D 9) and power supply and grid systems (H02J 3, H02J 15)—a combination that positions it distinctly in the grid-integration segment where overall corpus density is low.
patent records: 10| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Phoenix II AS | 1 | ▼ -96% |
| GE Renovables Espana SL | 3 | ▲ new entrant |
| Siemens Gamesa Renewable Energy AS | 10 | ▲ new entrant |
Grid integration and foundations are under-served adjacent branches worth watching
Several IPC branches with clear technical relevance to wind renewable integration carry low filing counts relative to the dominant F03D core, indicating areas where the existing IP landscape is less developed.
H02J · Power supply & grid systems
With only 8 patent records—2% of branch-level coverage—H02J is notably sparse given that grid integration is a central challenge for scaling onshore wind capacity. Siemens Gamesa’s recent entry in this branch (H02J 3, H02J 15) validates its technical relevance. For R&D teams working on inverter control, reactive power management, or islanding prevention, this branch offers a lower-density entry point than the saturated turbine hardware classes.
Search this in Eureka →E02D · Foundations & earth drilling
E02D carries 10 patent records and a 2% share of branch-level filings, despite foundation engineering being a key cost driver and site-constraint factor for onshore wind development. GE Renovables Espana has filed in E02D 37, but the branch overall remains lightly contested. Teams innovating in modular or soil-adaptive foundation systems could build positions in a technically important area with limited incumbent density.
Search this in Eureka →How leading applicants differ by technology branch emphasis
Strength of each leader across the main technology routes.
| Player | F03D 13 · Wind motors (wind turbines) | F03D 7 · Wind motors (wind turbines) | F03D 9 · Wind motors (wind turbines) | E02B 17 · Hydraulic & waterway engineering | B63B 35 · Ships & marine vessels |
|---|---|---|---|---|---|
| Phoenix II AS | Moderate · 10 | Absent | Absent | Strong · 28 | Strong · 17 |
| Maersk Supply Service | Strong · 14 | Absent | Absent | Strong · 9 | Moderate · 3 |
| Exponential Renewables SL | Strong · 10 | Strong · 12 | Absent | Absent | Absent |
| Ocean Wind Energy Systems | Absent | Absent | Strong · 9 | Absent | Strong · 9 |
| GE Renovables Espana SL | Strong · 7 | Absent | Moderate · 3 | Strong · 5 | Absent |
| Mitsubishi Heavy Industries Ltd | Strong · 4 | Strong · 3 | Strong · 5 | Absent | Absent |
| Vestas Wind Systems AS | Absent | Strong · 12 | Absent | Absent | Absent |
Frequently asked questions
The analysis covers 130 patent families in scope for onshore wind turbine renewable integration globally.
Phoenix II AS is the leading filer with 37 patent records, well ahead of the second-ranked Vestas Wind Systems at 17 patent records.
The field is in a Decline stage, with annual filings easing back from a peak in 2020. The most recent years (2024–2025) are likely under-counted due to publication lag and should be read as provisional.
The United States leads with 51 patent records at the jurisdiction level, followed by EPO with 45 and WIPO (PCT) with 27. Germany, Denmark, and the United Kingdom form a secondary tier. India and Singapore appear as emerging validation markets.
H02J (Power supply and grid systems) and E02D (Foundations and earth drilling) carry only 8 and 10 patent records respectively at the branch level, making them the most sparsely covered branches with clear technical relevance to wind renewable integration.
One co-applicant relationship is confirmed: Mitsubishi Heavy Industries and IRCA S.p.A. co-filed 3 patent records together. No other collaboration pairs are detected in the evidence.
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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.
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