Aircraft Antiskid and Brake Control Patents: Who Leads 2026
Aircraft Antiskid and Brake Control Patents: Concentration at the Top
Five filers hold 60.1% of the field. The top 5 assignees combined account for 1,261 of the 2,098 records in scope — a level of concentration that makes freedom-to-operate checks against those portfolios a first step, not an afterthought. Filings rose to a peak of 53 records in 2021, then declined to 19 by 2024 — a 64% drop across that three-year window. Because 2024 is the most recent year that can be treated as complete, this is a real contraction in filing activity rather than a lag effect; 2025 and 2026 figures will fill in further but should not be read as continuing the same slope yet.
- 1NISSAN MOTOR CO LTD360
- 2GOODRICH CORP303
- 3TOYOTA JIDOSHA KK263
- 4DENSO CORP257
- 5HYDRO AIRE INC78
See the full aircraft antiskid and brake control analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about this landscape
Who are the leading patent holders in aircraft antiskid and brake control?
The assignee ranking for this field is led by one company with 360 records, well ahead of fifth place at 78. The top 5 assignees combined hold 1,261 of the 2,098 records in scope, or 60.1%, and the top 10 extend that to 75.4%. Most of the leading filers are automotive suppliers and OEMs whose ABS control patents extend into aircraft-specific antiskid claims, rather than aerospace-only specialists, reflecting how much of the underlying slip-ratio and wheel-speed-sensing mathematics is shared between road and runway braking.
Is patent filing activity in this field growing or shrinking?
Filing volume peaked in 2021 at 53 records and fell to 19 by 2024, a 64% decline over that three-year span. Because 2024 is the most recent year that can be treated as complete in this dataset, that drop reflects a real pullback rather than a publication-lag effect. Figures for 2025 and 2026 will rise as filings work through the roughly 18-month publication lag, but there is no evidence yet that they will reverse the downward trend seen through 2024.
What does US6125318A actually cover, and does it block new filings?
US6125318A, assigned to B. F. Goodrich, claims an antiskid brake controller that estimates vehicle speed from measured wheel speed and a mu-slip-ratio model, then drives a modified integral controller to track a target slip ratio. It is a foundational filing in slip-ratio-based antiskid control, granted in 2000, and its citation count reflects continued influence on later brake-by-wire and friction-estimation art. Anyone filing new antiskid control claims built around slip-ratio estimation from wheel speed should review its claim scope closely, though two decades of subsequent filings mean it is one reference point among many rather than the sole barrier.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Aircraft Antiskid and Brake Control covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.