Gearbox Condition Monitoring Patents: Who Leads, Trends 2026
Gearbox condition monitoring patents: mapping who holds the ground in vibration, oil-debris and remaining-useful-life claims
80.4% concentration. The top 5 of 16 ranked assignees hold 45 of the 56 records in scope, leaving a long tail of single- and double-filing entrants. Filings ran at 12 in 2017, the peak year so far, then settled into a low, flat pattern; the 2021→2024 window is flat at 0% growth (1 filing to 1 filing). 2026 is a partial year at the data cut-off and will fill in as later publications land.
- 1GENERAL ELECTRIC CO15
- 2ABB (SCHWEIZ) AG10
- 3BELL HELICOPTER TEXTRON INC9
- 4DANA ITAL SRL8
- 5NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE & TECHNOLOGY3
See the full gearbox condition monitoring 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 holds the most gearbox condition monitoring patents?
The ranking covers 16 assignees across the 56 records in scope, and it is led by a single company holding 15 records, well ahead of the fifth-ranked filer at 3 records. The top 5 assignees together hold 45 records, or 80.4% of the total, which means most of the documented claim space sits with a small group. Outside that group the ranking thins quickly into single- and double-record filers, so a freedom-to-operate check should weight the leader’s portfolio most heavily.
Is patent filing in gearbox condition monitoring growing or slowing?
Filing peaked in 2017 at 12 records and has not returned to that level since. The most recent complete comparison window, 2021 to 2024, shows 0% growth — one filing in 2021 and one in 2024. Because publication lags filing by roughly 18 months, the thin-looking 2025 and 2026 counts should not be read as a further decline; they simply have not finished publishing yet.
What technology areas dominate gearbox condition monitoring claims?
Testing and structure-balance claims under IPC class G01M are the largest single category, appearing in 48.2% of the 56 records, followed by control and regulating systems (G05B) at 30.4% and digital data processing (G06F) at 19.6%. Aircraft-specific equipment claims (B64D, B64F) also feature, reflecting aviation gearbox monitoring as a distinct use case. AI-model claims (G06N) are comparatively rare at 12.5%, suggesting the learning-based diagnostic layer is less occupied than the underlying sensing and testing methods.
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 Gearbox Condition Monitoring 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.