Onshore Wind Turbine for Green Hydrogen Patent Landscape
Onshore Wind Turbine for Green Hydrogen Patent Landscape in 2026
This is a highly concentrated, nascent field: Siemens Gamesa Renewable Energy holds all ranked patent families in scope, with meaningful filing activity beginning only in 2022. The technology mix centres on wind motor design paired with electrolytic hydrogen production, signalling an integrated systems approach that is still in early formation.
Siemens Gamesa holds the entire ranked portfolio in a nascent field
Siemens Gamesa Renewable Energy is the sole ranked applicant, holding all 14 patent families captured in this landscape. No second-tier competitor appears in the ranked corpus, making this one of the most concentrated technology niches in the clean-energy space.
With a single filer accounting for 100% of the top-100 applicants’ combined total, there is no visible tier gap — the field is effectively a monopoly of disclosed IP at this stage. This concentration reflects both the technical difficulty of integrating wind turbine systems with on-site hydrogen electrolysis and the recency of serious commercial interest.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Siemens Gamesa Renewable Energy | 14 |
Siemens Gamesa’s position implies it has first-mover advantage in defining the core claim space around wind-coupled electrolysis, power conditioning, and associated fluid-handling systems. Any new entrant would need to design around an already-staked claim perimeter or challenge the relatively small but strategically placed portfolio.
Activity from 2024 onward is subject to publication lag and will likely appear higher as more applications are published; the apparent slowdown in 2024–2026 should not be read as a decline in investment. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity ignited in 2022–2023; wind-electrolysis integration dominates the technology mix
The two charts below reveal a field that effectively did not exist before 2022 and then burst into activity, alongside a technology composition anchored in wind motor engineering and electrolytic chemistry.
Annual filing trend
Zero filings from 2017–2021 confirm the field was inactive prior to 2022. The 2023 spike to nine families represents the peak of disclosed activity so far. The low counts in 2024 and the absence of visible filings in 2025–2026 are expected artefacts of publication lag and should not be interpreted as a decline in R&D investment.
↗ Hover for values · click a bar to ask EurekaTechnology composition
F03D (wind motors/turbines) anchors the corpus with 14 records, as expected for turbine-centric filings. C25B (electrolytic production of compounds) at eight records confirms that hydrogen generation via electrolysis is a primary claim target. H02J (power supply and grid systems) at five records points to power conditioning and grid-interface innovation, while F04C (rotary-piston pumps) at three records suggests hydrogen compression or cooling subsystems are also in scope.
↗ 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.
Hydrogen production apparatus for a wind turbine, …
A hydrogen production apparatus for a wind turbine is provided, including an electrolytic hydrogen production unit for producing hydrogen gas from electrical energy generated by the wind turbine, a compressor unit for compressing the produced hydrogen gas, and a sensor unit fluidly connected to the compressor unit for detecting an oil contamination of the… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Wind power plant and method for operating a wind p… | 1 |
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 strategy
Four dimensions — maturity, concentration, collaboration, and geography — shape the strategic context for any team considering entry or expansion in wind-to-hydrogen IP.
Embryonic field with a sharp 2022–2023 onset
The evidence does not supply a formal lifecycle stage label, but the data pattern is unambiguous: zero activity through 2021, a rapid burst in 2022–2023, and a still-forming tail. This places the technology at the earliest formation stage. Core claim architectures have not yet solidified, and there remains room for foundational patents by new entrants who move quickly.
Early-stageSingle-filer monopoly across the ranked corpus
Siemens Gamesa Renewable Energy accounts for all 14 patent families in the ranked corpus. This extreme concentration is unusual even for nascent fields and reflects the narrow technical intersection of onshore wind turbine engineering and on-site green hydrogen production. Competitors from the electrolyser, compressor, or independent power-producer sectors have not yet staked visible IP positions here.
Monopoly concentrationNo co-applicant relationships observed in current evidence
The collaboration data contains no recorded co-filing relationships. This is consistent with a single dominant filer who has, so far, pursued its wind-hydrogen integration programme internally. The absence of academic or cross-industry co-applicants may indicate that the core IP is being held tightly, or that the field has not yet attracted consortium-style R&D. This gap is a potential entry signal for parties able to bring complementary electrolyser or systems-integration expertise.
No observed collaborationEurope (EPO) is the primary protection jurisdiction
Eight of the patent records are filed at the EPO, three in the United States, and three via WIPO PCT. This distribution reflects Siemens Gamesa’s European home base and the concentration of onshore wind-hydrogen policy activity in Europe. The relatively limited US and PCT footprint suggests that non-European markets — particularly the US, Asia, and emerging hydrogen economies — remain comparatively open for IP positioning by new entrants.
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.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Siemens Gamesa: sole ranked player with a wind-electrolysis-focused portfolio
With no second-ranked applicant in the corpus, the competitive landscape is defined entirely by one company’s R&D choices. Understanding Siemens Gamesa’s technology emphasis is therefore equivalent to understanding the current state of the art in this intersection.
Siemens Gamesa Renewable Energy
Siemens Gamesa holds all 14 patent families in the ranked corpus and is classified as a new entrant in this specific niche, with all activity concentrated from 2022 onward. Its technology focus spans wind turbine mechanical systems (F03D9, 13 families), electrolytic hydrogen production (C25B1, 7 families; C25B15, 5 families), confirming a fully integrated wind-to-hydrogen systems strategy rather than a narrower component play.
families: 14No second-ranked applicant identified
The ranked corpus contains only one applicant at this time. No challenger position can be assigned based on available evidence. This gap represents both a risk (single point of prior art) and an opportunity for any organisation with wind turbine or electrolysis expertise seeking to establish a challenger position before the field matures.
families: —| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Siemens Gamesa Renewable Energy | 14 | ▲ new entrant |
Under-served branches adjacent to the dominant wind-electrolysis core
Two IPC branches appear in the corpus with only one record each, representing the lowest-density areas relative to the dominant F03D and C25B classes. Both are technically plausible components of a wind-to-hydrogen system and merit attention as potential entry points.
F04B · Positive-displacement pumps
Only one patent record falls under F04B (positive-displacement pumps), giving this branch a 3% share of the corpus. Positive-displacement pumps are directly relevant to hydrogen compression downstream of the electrolyser — a critical step for storage and pipeline injection. The sparsity here may indicate that compression system design has been left to the broader hydrogen-infrastructure community and not yet integrated into wind-specific IP. Teams with compressor or hydrogen-handling expertise could file foundational claims in this adjacent space with limited prior-art friction.
Search this in Eureka →H02P · Control of motors and generators
H02P (control of electric motors and generators) also holds only one record, representing 3% of the corpus. Power electronics and generator control are central to optimising the coupling between a variable-speed wind turbine and a dynamic electrolyser load — a technically demanding problem not yet densely claimed. This under-served branch offers a technically motivated entry path for power-electronics firms or control-systems specialists looking to stake positions in wind-hydrogen integration without colliding with Siemens Gamesa’s dominant mechanical and chemistry claims.
Search this in Eureka →How the sole ranked player covers technology routes
Strength of each leader across the main technology routes.
| Player | F03D 9 · Wind motors (wind turbines) | C25B 1 · Electrolytic production of compounds | C25B 15 · Electrolytic production of compounds | H02J 15 · Power supply & grid systems | H02J 3 · Power supply & grid systems |
|---|---|---|---|---|---|
| Siemens Gamesa Renewable Energy | Strong · 13 | Strong · 7 | Moderate · 5 | Moderate · 4 | Moderate · 4 |
Frequently asked questions
The landscape currently contains 14 patent families in scope. This is a very small corpus, consistent with an embryonic technology niche that only began generating significant filings from 2022 onward.
Siemens Gamesa Renewable Energy is the sole ranked applicant, holding all 14 patent families in the ranked corpus. No other applicant appears in the top-100 ranked list based on current evidence.
Filings were zero from 2017 through 2021. Activity began in 2022 with three families and peaked at nine families in 2023. Counts from 2024 onward are subject to publication lag and do not reflect complete activity.
Europe via the EPO is the leading jurisdiction with eight patent records, followed by the United States and WIPO PCT with three records each. This reflects Siemens Gamesa’s European base and the concentration of wind-hydrogen policy in Europe.
F03D (wind motors/turbines) and C25B (electrolytic production of compounds) are the densest branches. The sparsest adjacent branches are F04B (positive-displacement pumps) and H02P (control of motors and generators), each with only one patent record, representing potential under-served areas for new entrants.
No co-applicant relationships are recorded in the current evidence. The field appears to have been developed exclusively within Siemens Gamesa’s internal R&D programme so far, with no academic or cross-sector co-filing partnerships observed.
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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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