Onshore Wind Turbine for Desalination Plants Patent Landscape
Onshore Wind Turbine for Desalination Plants Patent Landscape in 2026
The wind-turbine-powered desalination field is in a growth stage, with a 95% rise in three-year filing volume, though annual activity peaked in 2022 and the most recent periods remain understated by publication lag. Siemens Gamesa Renewable Energy holds a commanding lead, accounting for the single largest block of patent records among the top filers, in a field where the top five applicants collectively hold 90% of the hundred largest filers’ combined total.
Siemens Gamesa leads a highly concentrated field with a small but growing challenger tier
The. The top five filers account for 90% of the hundred largest filers’ combined total, signalling an unusually tight competitive structure for a field still in the growth stage.
The gap between the leader and the second-ranked applicant is steep: Siemens Gamesa’s 50 patent records are more than four times Ocean Wind Energy Systems’ 11. Innovator Energy and the University of Virginia. Patent Foundation occupy a thin third tier, while Equinor Energy and RWE Offshore Wind each hold 2 patent records, suggesting early-stage positioning rather than established depth.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Siemens Gamesa Renewable Energy | 50 | |
| 2 | Ocean Wind Energy Systems | 11 | |
| 3 | Zero E Technologies LLC | 5 | |
| 4 | Innovator Energy LLC | 4 | |
| 5 | University of Virginia Patent Foundation | 3 | |
| 6 | Heronemus Phyllis R HF | 2 | |
| 7 | Heronemus Phyllis R | 2 | |
| 8 | Equinor Energy | 2 | |
| 9 | RWE Offshore Wind GmbH | 2 |
Siemens Gamesa’s dominant position, reinforced by a momentum trend of +113% in recent filings, implies that the technological framing of wind-to-desalination integration is being substantially shaped by one incumbent. New entrants — Innovator Energy, University of Virginia. Patent Foundation, and RWE Offshore Wind — are each arriving from distinct technical angles, which may presage broadening of the competitive front.
The most recent 18–24 months of filing data are understated due to publication lag and should not be read as a decline in activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity surged to a 2022 peak; wind-turbine mechanics dominate the technology mix
The annual trend and technology composition charts together reveal a field that expanded rapidly between 2019 and 2022 and is now consolidating, with core wind-turbine mechanics comprising the large majority of filings while adjacent technology branches remain sparsely covered.
Annual filing trend
Filings were effectively absent before 2019, jumped to 6 records that year, then accelerated to 16 in 2021 and peaked at 30 in 2022. The 2023 and 2024 figures (4 and 9 respectively) appear lower but are subject to publication lag and should not be interpreted as a sustained contraction. The 2025 and 2026 figures are not yet meaningful for the same reason.
↗ Hover for values · click a bar to ask EurekaTechnology composition
F03D (Wind motors / wind turbines) accounts for 74 patent records and is the clear structural core of this space. H02J (Power supply and grid systems) at 12 and B63B (Ships and marine vessels) at 9 form a secondary cluster. C02F (Water and wastewater treatment) at 4 and C25B (Electrolytic production of compounds) at 3 are notably sparse relative to their functional importance in a desalination context, pointing to under-developed areas adjacent to the dominant turbine-mechanics focus.
↗ 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.
Subsea desalination systems and methods using flui…
The present application pertains to systems and methods for desalination. In one embodiment the system employs a first storage reservoir configured to be near the surface of a body of water and configured to store a low density fluid. A second storage reservoir is configured to be located below the surface of the body of water. A desalination system is… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Offshore wind turbine | 408 |
| 2 | Offshore wind turbine with multiple wind rotors an… | 281 |
| 3 | Offshore wind turbine | 25 |
| 4 | Offshore wind turbine | 11 |
| 5 | Offshore wind turbine | 5 |
| 6 | Method for the arrangement of at least one compone… | 4 |
| 7 | Safety system for a wind turbine system including … | 4 |
| 8 | Wind turbine electric generation, heat transfer an… | 4 |
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 decisions
The combination of high concentration, a growth-stage lifecycle, sparse downstream process coverage, and. Europe as the lead jurisdiction creates a specific risk-opportunity profile for engineers and R&D planners entering this space.
Growth stage with annual volume easing from its 2022 peak
The field carries a Growth lifecycle designation: the most recent three-year filing window sits 95% above the prior three-year window, confirming multi-year expansion. However, annual volume peaked in 2022 and has not yet recovered to that level in observed data — partly a real moderation, partly publication lag. Engineers should treat the field as active but approaching the early consolidation phase rather than an uncrowded frontier.
Lifecycle: GrowthOne incumbent holds the dominant framing; challenger positions are thin
Siemens Gamesa Renewable Energy’s 50 patent records represent an outsized share of a 65-family corpus, and the top five filers hold 90% of the hundred largest filers’ combined total. This level of concentration means that core wind-turbine integration approaches are substantially defined by one player. Challengers occupy narrow technical niches — Ocean Wind Energy Systems in marine-vessel integration, Innovator Energy in water treatment and hydraulics — leaving room for differentiated entry strategies rather than head-on competition with the leader.
High concentrationOne co-filing pair identified; ecosystem is largely independent
The only co-applicant relationship in evidence is between Heronemus Phyllis R and Ocean Wind Energy Systems, which share 2 jointly filed patent records. No broader consortium or cross-institutional co-filing pattern is apparent. This indicates the field has not yet developed the collaborative R&D structures typical of maturing technology ecosystems, which may present an opening for research partnerships, particularly in the under-covered water-treatment and electrolysis branches.
Nascent collaborationEurope (EPO) leads; US and PCT routes provide global reach
Europe (EPO) is the lead filing jurisdiction with 23 patent records, followed by the United States at 19 and WIPO PCT at 13. Australia (9 records) stands out as a notable secondary market, consistent with that country’s acute water-scarcity policy environment. Germany (5) and Denmark (2) reflect the home-market anchoring of European wind incumbents. Any R&D or freedom-to-operate strategy should prioritise EPO and US coverage as a baseline, with Australian filings warranting closer review given the market context.
EPO-led, AU notableGo 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 |
|---|---|---|
| Heronemus Phyllis R | Ocean Wind Energy Systems | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Siemens Gamesa sets the technical frame; challengers approach from marine and water-treatment angles
Two applicants stand clearly above the rest in filing depth: Siemens Gamesa Renewable Energy with an accelerating trajectory, and Ocean Wind Energy Systems with a distinct marine-integration focus. Both are referenced here at the patent-record level consistent with the applicant ranking.
Siemens Gamesa Renewable Energy
Siemens Gamesa Renewable Energy holds 50 patent records, more than four times the next-ranked applicant, with a recent-period momentum of +113% compared to the prior three-year window. Its technology focus is concentrated in F03D 80 (wind turbine auxiliary systems), F03D 9 (wind turbines for particular uses including power generation), and F03D 13 (installation and transport of wind turbines), indicating a broad structural grip on turbine integration rather than a single narrow application. This trajectory and breadth make it the de facto framing authority for how wind energy couples to desalination infrastructure.
patent records: 50Ocean Wind Energy Systems
Ocean Wind Energy Systems holds 11 patent records and differentiates clearly from the leader through its emphasis on F03D 11, B63B 35 (ships and marine vessels), and F03D 1 — a combination that positions it in the marine-platform and floating-structure design space rather than purely land-based turbine integration. No momentum trend figure is available for this applicant in the evidence, but its 11 patent records place it as the only credible second-tier player by volume. Its marine framing could become strategically relevant as coastal and near-shore desalination deployments grow.
patent records: 11| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Siemens Gamesa Renewable Energy | 34 | ▲ +113% |
| Innovator Energy LLC | 4 | ▲ new entrant |
| University of Virginia Patent Foundation | 3 | ▲ new entrant |
| RWE Offshore Wind GmbH | 2 | ▲ new entrant |
Water treatment and electrolysis branches are sparsely covered relative to their functional relevance
Several IPC classes that are technically central to a complete wind-to-desalination system carry very low patent counts, suggesting that downstream process integration and energy storage coupling remain under-developed in the current portfolio landscape.
C02F · Water & Wastewater Treatment
With only 4 patent records and a 4% share of the IPC distribution, the water and wastewater treatment branch is conspicuously sparse for a field whose end product is desalinated water. Innovator Energy LLC is currently the only applicant visibly active here (C02F 1 and C02F 103), suggesting that the process-engineering side of wind-powered desalination — membrane selection, pre-treatment, brine management — has not yet attracted meaningful patent protection from the dominant players. Entry in this branch could complement rather than compete with the turbine-mechanics-heavy incumbent portfolio, and would be relevant to project developers needing integrated system patents.
Search this in Eureka →C25B · Electrolytic Production of Compounds
C25B holds only 3 patent records (3% share), despite the growing policy and commercial interest in coupling wind power to green hydrogen or electro-chlorination for water disinfection. RWE Offshore Wind GmbH is the sole identifiable filer in this sub-branch (C25B 1), with a new-entrant trajectory. The sparsity here is an observation of relative under-coverage; the technical and commercial path from wind turbine power output to electrolytic desalination or hydrogen co-production is plausible but remains largely unclaimed in the patent record, making it worth monitoring as the field matures.
Search this in Eureka →How leading applicants differ across wind-turbine and downstream technology routes
Strength of each leader across the main technology routes.
| Player | F03D 9 · Wind motors (wind turbines) | F03D 80 · Wind motors (wind turbines) | F03D 13 · Wind motors (wind turbines) | F03D 1 · Wind motors (wind turbines) | F03D 11 · Wind motors (wind turbines) |
|---|---|---|---|---|---|
| Siemens Gamesa Renewable Energy | Strong · 21 | Strong · 24 | Strong · 15 | Emerging · 2 | Absent |
| Ocean Wind Energy Systems | Strong · 9 | Absent | Absent | Strong · 9 | Strong · 11 |
| Heronemus Phyllis R | Strong · 2 | Absent | Absent | Strong · 2 | Strong · 2 |
| Zero E Technologies LLC | Strong · 5 | Absent | Absent | Absent | Absent |
| University of Virginia Patent Foundation | Strong · 3 | Strong · 2 | Absent | Absent | Absent |
| Equinor Energy | Strong · 2 | Absent | Absent | Absent | Absent |
Frequently asked questions
The evidence covers 65 patent families in scope for this technology intersection globally.
Siemens Gamesa Renewable Energy holds 50 patent records, making it by far the dominant applicant. The next-ranked filer, Ocean Wind Energy Systems, holds 11 patent records.
The field is classified as Growth: the most recent three-year filing window is 95% above the prior three-year window. Annual volume peaked in 2022 and has eased since, though the most recent years are further understated by publication lag.
Europe (EPO) leads with 23 patent records, followed by the United States at 19 and WIPO PCT at 13. Australia is a notable secondary jurisdiction with 9 patent records, reflecting that country’s water-scarcity context.
F03D (Wind motors / wind turbines) dominates with 74 patent records. Adjacent branches with potential functional relevance — C02F (Water and wastewater treatment) at 4 records and C25B (Electrolytic production of compounds) at 3 records — are comparatively sparse.
The only identified co-filing relationship is between Heronemus Phyllis R and Ocean Wind Energy Systems, who share 2 jointly filed patent records. No broader consortium-level collaboration is evident in the current evidence.
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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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