Electrochemical Toxic Gas Sensors Patents: Leaders & Trends 2026
Electrochemical Toxic Gas Sensor Patents: Who Leads and Where Filing Is Slowing
43.0% concentration at the top. The five leading assignees account for 408 of 949 records in scope — filing is concentrated, not fragmented, in this field. Filings ran from 42 records in 2017 to a peak of 154 in 2018, then declined; the drop from 56 records in 2021 to 13 in 2024 marks a 77% fall over that span. Treat 2025 and 2026 as incomplete rather than as evidence of a further slowdown.
- 1STRONG FORCE IOT PORTFOLIO 2016 LLC26.4%
- 2HONEYWELL INTERNATIONAL INC7.8%
- 3MSA EUROPE GMBH3.3%
- 4DRAGER SAFETY AG & CO KAAA3.1%
- 5INDUSTRIAL SCIENTIFIC CORPORATION2.4%
See the full electrochemical toxic gas sensors 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 patents in electrochemical toxic gas sensors?
Filing is concentrated: the leading assignee alone holds 251 of the 949 records in scope, far ahead of fifth place at 23 and tenth place at 16. The top five assignees combined hold 408 records, or 43.0% of all records in scope, and the top ten extend that to 52.8%. This means a small group of industrial safety and instrumentation companies controls a large share of the documented claim space, while the remaining assignees form a long tail with far fewer filings each.
Is patent filing in electrochemical gas sensors still growing?
No — filing peaked in 2018 at 154 records and has declined since, falling from 56 records in 2021 to 13 in 2024, a 77% drop over that span. 2024 is the most recent year the dataset treats as complete; 2025 and 2026 figures are still filling in because publication typically lags filing by around 18 months. So the decline should be read as a real multi-year trend through 2024, not as a claim about the very latest years.
What technical problems do these patents actually address?
The search underlying this dataset targeted specific operational pain points: cross sensitivity to interfering gases, electrolyte drying and baseline drift, calibration frequency, and sensor replacement cycles. These are the practical issues that determine total cost of ownership for industrial safety operators using electrochemical gas detectors, rather than pure electrochemistry research questions. The 2024 Dräger filing on a cyclic-compound electrolyte with at least 5% water content is a direct example of a drying/drift-focused claim.
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 Electrochemical Toxic Gas Sensors 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.