Offshore Wind Turbine for EV Charging Patent Landscape 2026
Offshore Wind Turbine for EV Charging Patent Landscape in 2026
The intersection of offshore wind turbines and EV charging represents one of the most nascent patent spaces identifiable, with only 3 patent families on record, all filed in India and held by three separate academic or early-stage commercial entities. Activity is sparse and geographically concentrated, signaling that this combined application area remains largely unexplored by established wind-energy and EV-infrastructure players.
Three applicants, three families — a field defined by its absence of incumbents
The corpus stands at just 3 patent families, distributed equally across three applicants: GITAM Deemed to be University, Kalasalingam Academy of Research and Education, and Vinsure Energy India Pte Ltd — each holding one family. No single entity commands a dominant position.
The top five filers account for 100% of the hundred largest filers’ combined total, yet that concentration reflects the field’s extreme smallness rather than strategic entrenchment by any incumbent. There is no meaningful tier gap between a leader and challengers; all three sit at parity.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | GITAM Deemed to be University | 1 | |
| 2 | KALASALINGAM ACADEMY OF RES & EDUCATION | 1 | |
| 3 | Vinsure Energy India Pte Ltd | 1 |
The absence of large wind-energy OEMs, utilities, or automotive charging infrastructure companies from this corpus indicates that the concept of purpose-built offshore wind-to-EV charging has not yet attracted serious R&D investment from commercial players at the patent-filing stage. The existing filings originate from academic and seed-stage institutions, suggesting the technology sits at proof-of-concept rather than commercialization.
The most recent filing period should be interpreted cautiously given standard patent publication lags of 18–24 months; any apparent quietude in 2023–2026 may not reflect actual inventor activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Episodic, low-volume filings concentrated in wind-motor classifications
The annual filing trend reveals isolated activity rather than a sustained wave, while the technology composition shows wind-motor classes dominating with adjacent energy-systems classes appearing at the margins.
Annual filing trend
Filings appear in isolated years — 2020, 2022, and 2025 — with zero activity in all other years from 2017 onward. This episodic pattern is characteristic of very early-stage or exploratory innovation rather than a maturing technology push. The 2025 entry falls within the publication-lag window, so the true count for recent years may be higher than currently visible.
↗ Hover for values · click a bar to ask EurekaTechnology composition
F03D (wind motors/turbines) is the dominant class, covering all 3 families, confirming that filings are anchored in mechanical wind-capture technology. H02S (photovoltaic/solar power generation) appears in 2 families, suggesting inventors are combining wind with solar in hybrid configurations rather than treating offshore wind in isolation. F03G (spring, weight, and miscellaneous motors) and H02J (power supply and grid systems) each appear once, indicating early-stage interest in energy storage mechanics and grid/charging integration but limited follow-through so far.
↗ 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.
A vertically integrated wind solar hybrid system f…
The invention discloses a vertically integrated system for generation of power from combination of solar energy and wind energy. The system (100) comprises a mast or a tower (101) integrated with a wind turbine (102), solar panels (103) with photovoltaic modules, a hybrid charge controller or energy storage device such as a battery, an inverter (104a, 104b… (excerpt from the patent abstract)
Open this patent in Eureka →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 implies for R&D investment decisions
With only 3 patent families and no commercial incumbents, this field presents an almost entirely open canvas — but the structural signals also point to unresolved technical and commercial feasibility questions that any entrant must address.
Pre-commercial concept stage — annual volume has plateaued near its low peak
The lifecycle evidence places this field at a maturity stage where annual filings have plateaued near their peak — but that peak is itself only a single family per active year, confirming the field has not progressed beyond exploratory concept. A new entrant filing a substantive patent portfolio today would immediately become the dominant rights-holder in the space. The plateau at such low volume signals that either technical barriers are unresolved or the addressable market case has not yet been made persuasively enough to attract R&D budget.
Pre-commercialPerfect parity among three non-competing institutions
All three applicants hold a single family each, and none is a wind-energy OEM, EV charging network operator, or grid utility. This structure means there is no incumbent with entrenched IP to design around, and no cross-licensing ecosystem has formed. An industrial entrant could build a foundational position without navigating a thicket of prior art from large players. The risk is the inverse: the field’s emptiness may reflect genuine technical or economic obstacles rather than overlooked opportunity.
Open fieldNo co-applicant activity on record — ecosystem formation has not begun
Evidence shows no co-filing or cross-institutional collaboration among the three applicants. Each filing is a standalone effort, consistent with early-stage academic or startup exploration rather than coordinated industry-academia consortia. This absence of collaboration means there are no existing partnerships to join or compete against, but it also means the knowledge-sharing and complementary-IP structures that typically accelerate scale-up have not been established. A first mover with ecosystem-building intent could define the collaboration model for the space.
No ecosystem yetIndia is the sole jurisdiction — global coverage is entirely absent
All 3 patent families are filed exclusively in India, and no PCT, EPO, US, or Chinese family members appear in the corpus. Offshore wind development is most active in Europe, China, and the United States, yet none of those jurisdictions contains a single patent family on this combined application. This geographic mismatch means that any entity developing technology in those high-activity offshore wind markets operates in a patent-free environment for this specific application — both an opportunity to file foundational IP and a signal that the concept has not been validated in the markets where offshore wind infrastructure investment is largest.
India onlyGo 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.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Three early movers, each with a distinct technical emphasis
With one patent family each, the three applicants are effectively co-equal in scale but differ in technical focus across wind-motor sub-classes and adjacent energy systems.
GITAM Deemed to be University
Holds 1 patent family with a focus spanning F03D 9 (wind turbine applications/special uses) alongside H02J 3 and H02J 7 (power supply and grid/battery charging systems), making this the only applicant whose filing explicitly addresses the charging-system integration side of the problem. Momentum is flagged as a new entrant, indicating this is a recent arrival to the space.
Families: 1Vinsure Energy India Pte Ltd
Holds 1 patent family with emphasis on F03D 13 (wind turbine installation/offshore), F03D 9, and F03G 6 (hybrid/miscellaneous motor configurations), suggesting a hybrid mechanical energy-capture approach. As a private energy company — the only non-academic applicant — it represents the closest signal of early commercial interest, though no momentum data beyond parity with peers is available in evidence.
Families: 1| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| GITAM Deemed to be University | 1 | ▲ new entrant |
Under-served technical routes adjacent to the core wind-EV charging concept
Given the extreme sparseness of the corpus, the most meaningful white-space observation is not within the existing filings but in the broader set of technical sub-problems that remain entirely unaddressed by any applicant.
H02J · Grid integration and smart EV charging from offshore sources
H02J (power supply and grid systems) appears in only 1 family in the corpus, despite being the most commercially critical enabler — translating offshore wind generation into reliable, grid-compliant EV charging infrastructure requires substantial IP covering power conversion, grid synchronization, demand-response, and bidirectional charging. No filing addresses these systems at depth. An entrant with grid-integration or power-electronics expertise faces no prior-art thicket and could establish foundational IP in the application layer above the turbine hardware.
Search this in Eureka →H02S · Hybrid offshore wind-solar floating platforms for EV charging hubs
H02S (photovoltaic/solar power generation) appears in 2 families as a co-classification, indicating inventors are already considering hybrid wind-solar configurations, but no filing develops this into a dedicated offshore floating platform concept for co-located EV charging hubs at ports or marine terminals. Floating offshore wind-solar hybrids are an active hardware development area globally, yet the EV charging application layer on such platforms is entirely unpatented. The entry path for a port authority, marine energy developer, or charging network operator is open.
Search this in Eureka →How the three applicants differ by technology sub-class
Strength of each leader across the main technology routes.
| Player | F03D 9 · Wind motors (wind turbines) | F03D 13 · Wind motors (wind turbines) | H02S 10 · Photovoltaic / solar power generation | F03D 17 · Wind motors (wind turbines) | F03D 3 · Wind motors (wind turbines) |
|---|---|---|---|---|---|
| Kalasalingam Academy of Research and Education | Strong · 1 | Strong · 1 | Absent | Strong · 1 | Strong · 1 |
| Vinsure Energy India Pte Ltd | Strong · 1 | Strong · 1 | Strong · 1 | Absent | Absent |
| GITAM Deemed to be University | Strong · 1 | Absent | Strong · 1 | Absent | Absent |
Frequently asked questions
The corpus contains 3 patent families as of the evidence date. This is an exceptionally small corpus, indicating the specific combination of offshore wind turbines and EV charging has attracted minimal formal IP activity globally.
Three applicants each hold one patent family: GITAM Deemed to be University, Kalasalingam Academy of Research and Education, and Vinsure Energy India Pte Ltd. All are Indian entities. No major wind-energy OEMs or EV charging infrastructure companies appear in the corpus.
All 3 patent families are filed exclusively in India. No filings have been identified in the United States, European Patent Office, China, or via PCT, meaning the technology is unprotected in the world’s largest offshore wind markets.
F03D (wind motors/turbines) covers all 3 families and is the dominant IPC class. H02S (photovoltaic/solar) appears in 2 families, suggesting hybrid wind-solar configurations, while H02J (power supply and grid systems) and F03G (miscellaneous motors) each appear once.
The lifecycle evidence characterizes the field as having annual filings that have plateaued near their peak — but at an extremely low absolute level of one family per active year. Activity appeared in 2020, 2022, and 2025, with no sustained multi-year growth trend. The field is better described as dormant-exploratory than mature.
The most significant gaps are in grid integration and smart charging systems (H02J sub-classes), offshore floating hybrid wind-solar platforms with EV charging capability (H02S combined with F03D), and any jurisdiction outside India. No patents address charging-network protocols, power-electronics conversion for marine environments, or port-based EV charging from offshore generation at any level of detail.
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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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