Cable Testing & Fault Location Patents: Leaders, Trends 2026
Cable Testing and Fault Location Patents: Who Leads and Where Filings Are Headed
Concentrated but not locked up. the top 5 assignees hold 23.8% of all 390 records in scope, and the top 10 hold 39.2% — leaving a long tail of single- and few-filing entrants. Filings rose from 11 in 2017 to a peak of 22 in 2024, with the 2021–2024 window showing the steepest growth (+214%). 2025 and 2026 figures are still incomplete because publication typically lags filing by around 18 months, so the most recent two years should not be read as a slowdown.
- 1GEOFRENZY25
- 2AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LTD22
- 3PHOENIX AVIATION & TECH16
- 4UTAH STATE UNIVERSITY15
- 5CISCO TECHNOLOGY INC15
See the full cable testing and fault location 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 cable testing and fault location patents
Who holds the most patents in cable testing and fault location?
The leading assignee in this dataset holds 25 of the 390 records in scope, with the top 5 combined accounting for 23.8% of all records. That leadership is real but not dominant — the top 10 assignees together hold only 39.2% of the field, meaning the majority of filings belong to a long tail of smaller or single-filing entities. Anyone assessing competitive risk should look at the mid-tier and tail, not just the top name, since most of the field sits outside the leading group.
Is the cable testing and fault location patent field growing or slowing down?
Filings grew sharply between 2021 and 2024, rising from 7 to 22 records — a +214% increase over that span, and the fastest growth window in the dataset. The two most recent years (2025 and 2026) show lower counts, but that reflects publication lag rather than a real decline: patent publication typically trails filing by around 18 months, so recent-year figures are still filling in. Based on the completed data through 2024, the field was accelerating, not slowing.
What technologies dominate cable testing and fault location patent claims?
Electric and magnetic measurement techniques, classified under IPC subclass G01R, appear in 59.5% of the 390 records in scope, making it by far the largest single category. Digital information transmission (H04L, 19.2%) and general transmission (H04B, 12.1%) form a smaller but notable secondary layer, suggesting many diagnostic tools now pair measurement hardware with data transmission or processing claims. Smaller classes like material analysis (G01N), well drilling (E21B) and flow measurement (G01F) mark adjacent, lower-density branches.
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 Cable Testing and Fault Location 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.