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Wind Resource Assessment Patents: Top Companies & Trends 2026

Wind Resource Assessment Patents: Top Companies & Trends 2026
https://www.patsnap.com/resources/blog/rd-blog/wind-resource-assessment-and-forecasting-patent-landscape-patent-landscape/ · Patsnap · data cut-off 2026-08-31 · downloaded from the live page
Patent Landscape · Wind Energy
Wind resource assessment and forecasting patents: who is filing and where the claim space is still open
  • Concentrated at the top. The five leading assignees account for 99 of 386 records in scope (25.6%), and the top ten hold 39.9% — a dense core with a long tail below it.
  • Filing activity nearly tripled. Filings rose from 8 in 2021 to 21 in 2024, a +163% increase over that span, before 2025's partial count of 35 (still filling in).
  • Software is catching up with hardware. F03D (wind turbines) leads at 36.0% of records, but G06F (data processing) sits close behind at 29.0%, ahead of H02J grid systems at 22.0%.
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386
Published Records
26%
Top-5 Share of All Records
+163%
Filing Growth 2021→2024
US
Leading Jurisdiction

Filing growth compares 2021 (8 records) with 2024 (21) — 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 386 records in scope (CR5), not by the ranked leaders only.

Published byPatsnap Research··8 min readSourced from Patsnap Eureka
Overview

What this landscape covers

This landscape maps 386 published records at the intersection of wind resource assessment, wind forecasting and the physical parameters that condition turbine operation — wind speed, rotor torque, process temperature and related measurement or control variables. The scope spans both the meteorological side of the field (site assessment, short-term forecasting) and the turbine-control side (torque and load response to forecast or measured wind conditions), which is why the technology composition spreads across turbine hardware classes and data-processing classes rather than sitting in one place.

Filing has been uneven rather than steadily rising: growth from 2021 to 2024 was sharp, and the most recent one to two years should be read as undercounted because publication typically lags filing by around 18 months. The assignee base blends established turbine OEMs, grid and power-electronics suppliers, meteorological technology firms and a scatter of single-filing entrants — a structure that rewards checking both the concentrated core and the tail before deciding where to file.

Filing activity and technology mix, 2015–2026
  1. 1VESTAS WIND SYSTEMS AS26
  2. 2GENERAL ELECTRIC CO24
  3. 3NABLA WIND POWER SL19
  4. 4GENERAL ELECTRIC RENOVABLES ESPANA SL17
  5. 5AIR PROD & CHEM INC13
  6. 6VAISALA13
  7. 7GE INFRASTRUCTURE TECH LLC12
  8. 8ABB AB11
  9. 9HITACHI ENERGY LTD10
  10. 10TATA CONSULTANCY SERVICES LTD9
Source: Patsnap Eureka. Assignee ranking and totals. Derived from a Patsnap search on Wind Resource Assessment & Forecasting Patent Landscape covering 2015–2026, data cut-off 2026-08-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP

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The Data

Filing trends and technology composition

Two views of the same 386-record dataset: how filing volume has moved year over year, and how records distribute across the IPC subclasses that define the technology.

Filing trend, 2017–2026

Annual filings moved from 17 in 2017 to a peak of 35 in 2025, with the 2021-to-2024 span showing the clearest sustained growth (+163%). The 2026 figure of 9 is a partial year and the 2025 peak itself is still subject to upward revision as later publications land.

Filing trend, 2017–2026010203040172017201820192020202120222023202435202592026Most recent year is partial — publication lag means later filings are not yet visible.

IPC subclass distribution

F03D (wind motors/turbines) and G06F (digital data processing) are the two largest classes, each covering roughly a third to just under a third of records, with H02J (power supply and grid systems), G01W (meteorology) and G06Q (business/admin data processing) each present in a meaningful minority. Because records often carry multiple classes, these shares sum to well over 100% of the 386-record total — that overlap itself signals how much of this field sits at the junction of turbine hardware, grid integration and computational forecasting rather than in a single discipline.

IPC subclass distributionF03D · Wind motors (wind turbines)13936.0%G06F · Electric digital data processi…11229.0%H02J · Power supply & grid systems8522.0%G06Q · Business, commerce & admin dat…6316.3%G01W · Meteorology5915.3%G01P · Velocity & acceleration3910.1%G06N · Computing based on AI models307.8%G05B · Control & regulating systems236.0%Other14437.3%

Shares are the percentage of the 386 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.

Source: Patsnap Eureka. Filing trend and technology composition. Derived from a Patsnap search on Wind Resource Assessment & Forecasting Patent Landscape covering 2015–2026, data cut-off 2026-08-31. Counts reflect published records only and shift as new filings publish.

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Key Patents

Representative and most-cited filings

Representative Filing
US10879702B22020-12-29

US10879702B2 — System and method for performing wind forecasting

TRUSTEES OF PRINCETON UNIVERSITY

A system and method for performing wind forecasting that is particularly accurate over short-term time periods, e.g. the next 1-5 hours. The method is anchored in a physical model of wind variability in the atmospheric boundary layer, using the unsteady dynamics of the atmosphere to drive forecasting as a function of previously observed atmospheric condition data at the same location.Filed by Trustees of Princeton University, published 2020-12-29 — an academic filing built on a physical atmospheric-boundary-layer model rather than a purely statistical or machine-learning approach.

US10879702B2 — patent drawing 1US10879702B2 — patent drawing 2
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Most-cited records in scope
#Publication no.Patent titleCitations
1US6512966B2System, method and computer program product for enhancing commercial value of electrical power produced from …403
2US20020087234A1System, method and computer program product for enhancing commercial value of electrical power produced from …283
3US20020103745A1System, method and computer program product for enhancing commercial value of electrical power produced from …258
4US20050127680A1System, method and computer program product for enhancing commercial value of electrical power produced from …246
5US20020084655A1System, method and computer program product for enhancing commercial value of electrical power produced from …214
6US20030137149A1Segmented arc generator206
7US20120185414A1Systems and methods for wind forecasting and grid management157
8WO2002103879A1Method for coordination renewable power production with other power production119
9US20130268131A1Method and System for Dynamic Stochastic Optimal Electric Power Flow Control115
10US6671585B2System, method and computer program product for enhancing commercial value of electrical power produced from …113

Citation counts reflect age as much as importance — the highest-cited records here date from the early 2000s and reflect a foundational family on commercial-value optimisation for renewable power output, not necessarily current technical relevance.

Each row carries its publication number; clicking a row searches Eureka by that number.

Source: Patsnap Eureka. Citation counts and representative records. Derived from a Patsnap search on Wind Resource Assessment & Forecasting Patent Landscape covering 2015–2026, data cut-off 2026-08-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
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Insights

What the numbers indicate

Reading the concentration, growth and technology-mix figures together points to a field where filing has accelerated recently but not yet consolidated around a dominant approach.

Concentration
25.6% / 39.9%
top 5 / top 10 share of 386 records

A dense core, then a long tail

The leading assignee holds 26 records and the field narrows quickly after that — fifth place sits at 13, tenth at 9. Combined, the top five hold 25.6% of all 386 records and the top ten hold 39.9%, meaning well over half of filings sit outside the ranked leaders entirely.

Useful for freedom-to-operate scoping: most of the field is not owned by a handful of firms.
Growth
+163%
filings, 2021 to 2024

Sharp acceleration, not a slow build

Filings moved from 8 in 2021 to 21 in 2024 — a +163% increase in three years, the clearest growth signal in the dataset. The 2025 count of 35 looks like a continuation of that trend, but with publication lag it is still an incomplete picture.

Treat 2025-2026 counts as a floor, not a ceiling.
Technology mix
36.0% vs 29.0%
F03D vs G06F share of records

Hardware still leads, software is close behind

F03D (wind turbine motors) covers 36.0% of the 386 records, but G06F (digital data processing) is close at 29.0%, with G06N (AI-based computing) present in 7.8% — evidence that forecasting and control software is becoming as central to new filings as turbine hardware itself.

Expect the software share to keep narrowing the gap as the 2025-2026 data fills in.
Filing geography
102 US filings
of the tracked receiving offices

US and China lead filing venues

The United States (102) and China (67) are the two largest receiving offices, ahead of the EPO (61), WIPO/PCT (33), India (30) and Germany (16) — a spread that suggests applicants are pursuing protection across multiple major markets rather than concentrating on one jurisdiction.

Multi-office filing patterns matter for where a competitor can actually enforce.
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Source: Patsnap Eureka. Co-assignee relationships and derived observations. Derived from a Patsnap search on Wind Resource Assessment & Forecasting Patent Landscape covering 2015–2026, data cut-off 2026-08-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
Players

Who is active, and where momentum sits

The ranked leaders span turbine OEMs, grid-equipment suppliers and meteorological technology providers, but the most recent-year momentum figures show the named leaders at zero new filings in the latest year — a sign the field's growth is coming from outside the current top ranks, or that recent filings have not yet published.

Leader
26 records
top-ranked assignee

A single leader, not a runaway one

The top-ranked assignee holds 26 of the 386 records in scope, roughly double the fifth-place count of 13 — a real lead, but not one that forecloses the field for others.

Fifth place at 13 and tenth at 9 show the drop-off is gradual, not a cliff.
Recent momentum
0 in latest year
across named leading assignees

Named leaders show no latest-year filings

Every leading assignee tracked for recent-year momentum shows 0 filings in the latest year, including one with a -100% year-on-year change. Given the roughly 18-month publication lag, this most likely reflects filings still in the pipeline rather than an actual pullback.

Do not read this as leaders exiting the field.
Collaboration
9 co-assignee pairs
identified in the dataset

Limited but real co-filing activity

Nine co-assignee pairs appear in the data, with the strongest pairings repeating across three to four shared records — evidence of a small number of stable inventor-assignee collaborations rather than broad industry co-filing.

Co-filing here looks like internal inventor teams, not cross-company joint ventures.
🔍
Under-claimed sub-areas worth checking
Branches where filing density is comparatively thin relative to the core turbine and data-processing classes.
short-term ramp forecasting for grid dispatchrotor torque response to forecast wind shearboundary-layer physical modelling for site assessmentAI-based wind forecasting (G06N overlap)cross-border PCT filing strategy for forecasting software
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Recent-year filing momentum by assignee
AssigneeRecent yearYoY
General Electric Co.0
Vestas Wind Systems A/S0
Nabla Wind Power S.L.0
ABB AB0
Air Products and Chemicals, Inc.0-100%
GE Renovables Espana S.L.0
Vaisala Oyj0
Tata Consultancy Services Ltd.0
Source: Patsnap Eureka. Assignee-level momentum. Derived from a Patsnap search on Wind Resource Assessment & Forecasting Patent Landscape covering 2015–2026, data cut-off 2026-08-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
What's Next

Where to take this next

The dataset points to specific follow-up questions rather than a single conclusion — use these to decide where deeper diligence is warranted.

Check the software overlap classes

With G06F at 29.0% and G06N at 7.8% of records, forecasting algorithms are a growing share of new filings. Anyone entering this space should map claim language in these classes separately from turbine-hardware claims.

Explore technology classes in Eureka

Watch the tail, not just the leaders

With 39.9% of records held by the top ten and 60.1% spread across the rest, a competitor worth tracking may not yet appear near the top of the ranking.

Run a custom assignee search in Eureka

Revisit 2025-2026 filings periodically

Publication lag means the most recent two years of data are undercounted; re-checking the trend in six to twelve months will sharpen the read on whether the 2021-2024 growth rate has continued.

Set up a filing alert in Eureka
Source: Patsnap Eureka. Forward-looking reading of the same dataset. Derived from a Patsnap search on Wind Resource Assessment & Forecasting Patent Landscape covering 2015–2026, data cut-off 2026-08-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
FAQ

Common questions about this landscape

Answers are grounded in the same dataset. Derived from a Patsnap search on Wind Resource Assessment & Forecasting Patent Landscape covering 2015–2026, data cut-off 2026-08-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP

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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.

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