Vertical-Axis Wind Turbine for Industrial Plants Patent Landscape
Vertical-Axis Wind Turbine for Industrial Plants Patent Landscape in 2026
This is a highly concentrated, early-stage field where a single incumbent — Kite Gen Research Srl — commands the dominant position among the leading filers, with Europe (EPO) as the primary filing jurisdiction. Activity is in a growth phase, with a sharp recent uptick in filings indicating accelerating interest after several quiet years.
Kite Gen Research Srl leads a heavily concentrated field
Kite Gen Research Srl holds the top-ranked position with 39 patent records, placing it well ahead of every other filer in this space. TMT ranks second with 11 patent records, and all remaining applicants hold 3 or fewer records each.
The top five filers account for 81% of the combined total among the hundred largest filers, signaling extreme concentration. The gap between the leader and the second-ranked applicant is substantial, leaving little ambiguity about who controls the core IP.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Kite Gen Research Srl | 39 | |
| 2 | TMT | 11 | |
| 3 | Differential Dynamics Corp | 3 | |
| 4 | National Wind Energy | 3 | |
| 5 | BARNES ROBERT J | 2 | |
| 6 | US Wind Tech LLC | 2 | |
| 7 | MACHER GEPESZETI & ELEKTRONIKAI | 2 | |
| 8 | KOVACS JENO CSONGOR | 2 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 9 | General Electric Renovables España SL | 2 | |
| 10 | GUBANOV ALEKSANDR VLADIMIROVICH | 1 | |
| 11 | Sri Manakula Vinayagar Engineering College | 1 | |
| 12 | BARNES ROBERT JEFFREY | 1 | |
| 13 | KOVACS JEN CSONGOR | 1 | |
| 14 | PHILIP C W VIPOND | 1 | |
| 15 | Bharat Petroleum Corporation Ltd | 1 |
Kite Gen Research Srl’s dominance, built on wind motor and turbine sub-classes, implies that any new entrant or challenger must differentiate either by technology sub-route or by geography to avoid direct head-on collision with an entrenched position.
Patent applications filed in the most recent 18–24 months are subject to publication lag and are likely under-counted in this dataset; the true scope of recent activity is higher than current figures suggest. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity is accelerating and technology is anchored in wind motor sub-classes
Two complementary views reveal the pace and composition of this field: an annual filing trend that highlights a sharp 2024 uptick, and a technology branch breakdown that shows strong concentration in wind motor IP with several adjacent classes present at lower volume.
Annual filing trend
Filings were sparse from 2017 through 2022, with a single record in 2018 and two in 2019 and no activity in 2020–2022. A single filing re-appeared in 2023, followed by five records in 2024 — the highest single-year count in the dataset. The 2025 and 2026 counts should be treated as provisional, given publication lag; the apparent 200% recent-window growth rate likely understates true current activity.
↗ Hover for values · click a bar to ask EurekaTechnology composition
F03D (wind motors and turbines) dominates with 75 patent records, reflecting the core mechanical engineering focus. Secondary branches — including B66D (winches and capstans), B65H (web and filament handling), and B63B (ships and marine vessels) — appear at 11–18 records each, pointing to the kite-based and airborne turbine architectures that some filers pursue. Energy system integration classes such as H02J (power supply and grid systems) and H02K (electric motors and generators) appear at low single-digit counts, indicating that grid-integration and generator technology remain under-developed relative to the core turbine mechanics.
↗ 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.
Vertical axis wind turbine
A Darrieus-type vertical axis wind turbine is disclosed which includes a vertically extending hollow rotor shaft mounted on a support structure with two, three, or four rotor blades of troposkein configuration on the rotor shaft for rotating the shaft in response to wind energy and thereby drive a generator to produce electrical power. The turbine includes… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Vertical axis wind turbine | 104 |
| 2 | Wind turbine having ground winch pivot erection su… | 48 |
| 3 | Wind system for converting energy thboqgi a vertic… | 30 |
| 4 | Control apparatus and method for variable renewabl… | 17 |
| 5 | Renewable energy marine hydrokinetic or wind turbine | 17 |
| 6 | Wind system for converting energy through a vertic… | 15 |
| 7 | Wind system for converting energy thboqgi a vertic… | 15 |
| 8 | AERO-energystat | 9 |
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 patent structure means for R&D investment
The combination of a growth-stage lifecycle, extreme applicant concentration, and sparse grid-integration IP creates both risks and entry points for new R&D programs.
Growth stage with accelerating but still low absolute volume
The lifecycle is classified as Growth, with annual filings still rising and recent-window growth at 200%. The 2024 peak of five records in a single year represents the field’s most active moment to date. Given the very low absolute corpus size of 11 patent families in scope, the field remains early enough that foundational positions can still be established.
Growth stageOne incumbent holds the core wind-motor IP; tier two is fragmented
The top five filers hold 81% of the combined total among the hundred largest filers. Below Kite Gen Research Srl (39 patent records) and TMT (11 patent records), the field disperses into single- and double-record holders. This structure means a challenger targeting the core F03D sub-classes would face a high-density incumbent, while adjacent branches remain relatively open.
High concentrationMinimal co-filing activity; one documented co-applicant pair
The only recorded collaboration in the dataset is between Massimo Ippolito and Kite Gen Research Srl, with one co-filed record. This suggests the field is largely driven by independent filing strategies, with limited consortium or cross-entity R&D activity visible in the patent record. New entrants may find collaboration with academic or industrial partners an underexplored pathway.
Low collaborationEurope (EPO) is the primary filing jurisdiction, followed by the United States
Europe (EPO) leads with 21 patent records, followed by the United States at 14 and WIPO (PCT) at 8. Germany accounts for 6 records, and India and Austria each record 4. The spread across Central and Eastern European offices (Hungary, Slovakia, Slovenia, Estonia) reflects Kite Gen Research Srl’s and associated filers’ geographic base. Asia-Pacific presence is minimal, with only Australia and New Zealand appearing at 2 and 1 records respectively.
Europe-ledGo 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 |
|---|---|---|
| IPPOLITO MASSIMO | Kite Gen Research Srl | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Kite Gen Research Srl leads in core turbine IP; TMT differentiates via marine and gas-turbine routes
Two applicants stand clearly above the rest in patent record count. Their technology emphases diverge significantly, suggesting different commercial and application strategies.
Kite Gen Research Srl
Kite Gen Research Srl holds 39 patent records, focused on F03D 5 (34 records), F03D 3 (30 records), and F03D 9 (20 records) — covering multiple wind-motor sub-classes including energy conversion and hybrid/combined systems. Massimo Ippolito and Franco Taddei appear as named co-inventors, with a documented collaboration record. The applicant’s momentum profile is established rather than newly emerging, anchoring the field’s core IP.
patent records: 39TMT
TMT holds 11 patent records and takes a distinctly different technology route, with its top sub-class being B63B 35 (ships and marine vessels, 11 records) alongside F03D 9 (10 records) and F02C 6 (gas-turbine plants, 9 records). This marine and hybrid-plant emphasis differentiates TMT clearly from Kite Gen Research Srl’s land-based turbine focus, suggesting an offshore or floating-platform application strategy. No specific momentum trend data is available for TMT in the evidence.
patent records: 11| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| General Electric Renovables España SL | 2 | ▲ new entrant |
Under-served adjacent branches worth monitoring
Several IPC branches appear in the corpus at low share, indicating limited dedicated patent activity relative to the dominant F03D core. Two of these carry plausible technical relevance to industrial VAWT deployment and represent observable gaps rather than validated opportunities.
H02J · Power supply and grid systems
H02J appears at only 7 patent records and 4% share, despite grid integration being a prerequisite for any industrial plant wind deployment. The sparse IP here suggests that work on power conditioning, storage dispatch, and microgrid coupling for VAWT output remains largely unpublished or undeveloped. An entrant with grid-integration expertise — such as a power electronics or energy management systems firm — could establish a differentiated position. General Electric Renovables España SL shows early activity in H02J 3, which may signal growing attention from larger incumbents.
Search this in Eureka →F17C · Pressure vessels and gas storage
F17C appears at 8 patent records and 4% share, linking to concepts such as compressed-air energy storage or hydrogen storage integrated with wind generation — architectures that are technically compatible with industrial plant co-location. The connection to C25B (electrolytic production of compounds, 3 records) in the same corpus reinforces a nascent wind-to-hydrogen thread. Entry here would require cross-domain expertise spanning wind mechanics and pressure system engineering, but the current IP density is low enough to allow early positioning.
Search this in Eureka →How leading filers differ by technology sub-route
Strength of each leader across the main technology routes.
| Player | F03D 3 · Wind motors (wind turbines) | F03D 9 · Wind motors (wind turbines) | F03D 5 · Wind motors (wind turbines) | B66D 1 · Winches & capstans | B65H 51 · Web, sheet & filament handling |
|---|---|---|---|---|---|
| Kite Gen Research Srl | Strong · 30 | Strong · 20 | Strong · 34 | Moderate · 16 | Moderate · 16 |
| TMT | Absent | Strong · 10 | Absent | Absent | Absent |
| US Wind Tech LLC | Strong · 2 | Strong · 2 | Absent | Absent | Absent |
Frequently asked questions
The current corpus contains 11 patent families in scope. This is a small, early-stage field; the absolute count reflects the niche industrial-plant application focus rather than the broader VAWT domain.
Kite Gen Research Srl leads with 39 patent records, far ahead of the second-ranked applicant TMT at 11 patent records. The top five filers together account for 81% of the combined total among the hundred largest filers.
The field is classified as Growth stage. Annual filings are still rising, and the most recent filing years are understated by publication lag. The 200% recent-window growth rate indicates accelerating interest, though absolute volumes remain low.
Europe (EPO) leads with 21 patent records, followed by the United States at 14 and WIPO (PCT) at 8. Germany, India, and Austria also appear at meaningful levels. Asia-Pacific coverage is minimal.
Yes. H02J (power supply and grid systems) appears at only 7 patent records and F17C (pressure vessels and gas storage) at 8 patent records — both low relative to the dominant F03D core. These branches carry plausible technical relevance for industrial plant integration but have limited dedicated patent activity to date.
General Electric Renovables España SL and Srivastava Siddhartha are both identified as new entrants, each with 2 recent patent records. Their entry signals that larger industrial players and independent inventors are beginning to engage with the space, though their positions are nascent.
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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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