Dynamic Export Cable Patents: Who Leads, Where the Gaps Are 2026
Filing growth compares 2021 (5 records) with 2024 (17) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 57 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
Dynamic export cables carry power from a floating wind turbine or platform to a static seabed junction or substation, and must tolerate continuous flexing from wave and current loads rather than sitting still on the seafloor. This landscape draws on 57 published records filed or published between 2015 and mid-2026 that combine dynamic-cable terminology with floating wind or offshore wind platform language. It is a narrow, technically specific slice of the broader submarine cable field, not a general offshore wind or cable-manufacturing search.
Publication lags filing by roughly 18 months, so the 2025 and 2026 counts in the trend chart are still filling in and should not be read as a slowdown. The dataset is small enough that individual assignees' filing choices move the aggregate picture visibly, which is itself informative about how young this sub-field still is.
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Filing trend and technology composition
Two views of the same 57 records: how filing activity has moved year over year, and which technical classes carry the claims.
A late but sharp acceleration
Filings were negligible before 2021 and reached a peak of 17 in 2024, up from 5 in 2021 — a +240% rise over that span. Treat 2025 onward as incomplete rather than declining, given the usual publication lag.
Cable hardware, not turbine interface, carries the claims
H01B (cables, conductors & insulators) appears in 54.4% of records and H02G (installing power and signal cables) in 24.6%, together dwarfing F03D (wind motors, 12.3%). Water treatment (C02F, 14.0%) and marine vessels (B63B, 7.0%) also recur, reflecting installation and corrosion-related claims rather than the turbine itself.
Shares are the percentage of the 57 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Floating Offshore Wind — Dynamic Export Cables for Floating Wind Patent Landscape with Eureka
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Try EurekaMost-cited records in this dataset
Vertical fatigue test device and method for dynamic submarine cable based on topology optimization design framework
A vertical fatigue test rig for dynamic submarine cables built around a topology-optimised main framework, bending table, connecting hinge, supporting frame and tension actuator. The cable's upper end clamps to a bending table driven by bending actuators at each side, letting the rig apply controlled cyclic loading to validate cable behaviour before deployment.Filed by Harbin Engineering University, published 2025-04-17 — illustrates the shift toward test and validation infrastructure as filings mature.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | CN202711767U | 一种海上风电和油气开采输电用动态海底电缆 | 8 |
| 2 | CN114256797A | 一种动态海缆水下锚固装置及海上风电系统 | 5 |
| 3 | US20220135363A1 | Power cable arrangement for offshore wind farms | 4 |
| 4 | CN120892993A | 融合物理机理与动态时序特性的动态海缆响应极值预测方法和设备 | 2 |
| 5 | US20240013950A1 | Offshore System Comprising a Dynamic Submarine Power Cable | 2 |
| 6 | CN216959261U | 用于海上风电电力输送的动态海缆锚固装置 | 2 |
| 7 | CN118889312A | 一种用于漂浮式海上风机的波浪补偿海缆组件 | 1 |
| 8 | EP4231470A1 | Submarine cable protection apparatus and laying method thereof and laying device | 1 |
| 9 | CN114475920A | 一种基于浮式风机的动态海缆组件及其风电系统 | 1 |
| 10 | WO2022189965A1 | Offshore array of high voltage turbines | 1 |
Citation counts inside a searched corpus favour older filings; read them as a signal of influence on later filers, not as a measure of current commercial importance.
Patent titles are shown in the language they were filed in, not translated, so that each record stays verifiable against the original filing — a translated title will not match in Eureka or in any national register. Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the numbers mean for a filing decision
Three read-outs from the dataset that matter more than the raw counts on their own.
The field is already consolidated
With 40 of 57 records held by five assignees and 91.2% held by ten, a new entrant is filing into a space where a handful of cable manufacturers and utilities already hold dense positions. This is a leader-plus-long-tail structure, not an open field.
Interest is recent and accelerating
Activity was essentially zero before 2021 and reached a peak of 17 records in 2024. That timing lines up with floating wind demonstration projects moving toward commercial-scale arrays, where dynamic cable reliability becomes a gating engineering problem rather than a research question.
Claims cluster on the cable, not the interface
Cable and conductor construction (H01B) and installation methods (H02G) together outweigh wind-turbine classifications (F03D) by a wide margin, suggesting the harder unsolved problems — and the claim space being fought over — sit in the cable's own materials and construction rather than how it attaches to the turbine.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to floating offshore wind — dynamic export cables for floating wind patent landscape, with the prior art for and against each one.
Where to take this research
The aggregate picture points to a concentrated but young field. The next steps depend on whether the goal is freedom-to-operate, competitive tracking, or identifying open claim space.
Run a freedom-to-operate check against the leader's portfolio
With one assignee holding 13 of 57 records, any new dynamic cable construction or installation method should be checked against that portfolio specifically before drafting claims.
Search assignee portfolios in EurekaTrack the 2024 filing surge assignee by assignee
The +240% growth from 2021 to 2024 is not evenly distributed; identifying which companies drove the peak year clarifies who is scaling filing activity now.
Explore filing trends in EurekaDraft into the under-claimed branches first
Fatigue test infrastructure, condition monitoring and bend-stiffener interfaces show lower filing density than core cable construction, offering more room for a defensible first claim.
Map white space in EurekaCommon questions on dynamic export cable patents
This landscape identifies 57 published records filed or published between 2015 and mid-2026 that combine dynamic-cable terminology with floating or offshore wind platform language. That figure reflects a narrow, technically specific search rather than the entire submarine cable field, so a broader query on subsea power cables generally would return a much larger set. Treat 57 as the size of this specific dynamic-export-cable niche, not of offshore cabling as a whole.
Filing is concentrated: the top 5 assignees together hold 40 of the 57 records in scope, or 70.2%, and the top 10 hold 91.2%. The single leading assignee holds 13 records, more than three times the fifth-ranked company's 4, so this is a field with one clear leader and a long tail of single- or few-filing entrants rather than several evenly matched competitors. Several of the leading filers are established submarine cable manufacturers rather than turbine OEMs or developers.
Yes, and recent activity has accelerated sharply: filings rose from 5 in 2021 to a peak of 17 in 2024, a +240% increase over that three-year span. Because publication typically lags filing by about 18 months, the 2025 and 2026 figures in any trend chart are still incomplete and should not be read as the trend slowing down. The timing of the acceleration lines up with floating wind moving from single demonstrators toward small commercial arrays, where dynamic cable reliability becomes a practical engineering gate rather than a research topic.
Compared with core cable and conductor construction (H01B, 54.4% of records) and cable installation methods (H02G, 24.6%), classes tied to fatigue testing, condition monitoring, and the physical interface between cable and floating hull appear far less often in this dataset. These lower-density branches, alongside corrosion and water-ingress protection, represent areas where a first claim faces thinner prior art than in core cable construction. This does not mean they are unclaimed entirely, only that filing density is comparatively low based on the records in scope.
The European Patent Office leads with 17 records, ahead of the United States (13) and China (10), with WIPO PCT filings (6) and smaller counts in Canada and Germany rounding out the picture. This distribution is consistent with floating offshore wind's earliest commercial-scale projects being concentrated in European waters, which drives both R&D and defensive filing activity there. Applicants using WIPO PCT routes appear to still be keeping jurisdictional options open rather than committing to a single national filing strategy this early.
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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.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.