Wireless Industrial Sensor Networks Patents: Top Filers & Trends 2026
- 46.5% concentration. The top 5 assignees hold 519 of 1,115 records in scope — filings cluster hard at the top, with a long tail behind them.
- Filing cooled after 2021. Activity peaked at 203 records in 2021 and fell 82% to 36 by 2024, the last year the data can be read as complete.
- Wireless-network claims dominate. H04W covers 74.6% of all 1,115 records, while power-supply (H02J, 3.0%) and measured-value transmission (G08C, 2.0%) barely register.
Filing growth compares 2021 (203 records) with 2024 (36) — 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 1,115 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset tracks 1,115 published records filed between 2015 and mid-2026 that combine wireless sensor network or industrial wireless instrumentation language with at least one operational constraint — battery lifetime, mesh reliability, latency, coexistence interference, security provisioning or commissioning effort. That pairing matters: it separates patents about deploying sensor networks in real industrial conditions from the much larger body of general wireless communications art.
The claim language sits heavily inside cellular and wireless-networking classifications rather than sensor-specific ones, which tells you where the drafting activity has actually gone. Filing activity peaked in 2021 and has since declined through 2024, the last year with reliably complete publication data; 2025 and 2026 figures will keep filling in as later filings publish.
Filing trends and technology composition
Two views of the same 1,115-record set: how filing volume moved year over year, and how the technology mix breaks down across IPC subclasses.
A sharp rise, then a pullback
Filings rose from 37 in 2017 to a peak of 203 in 2021, then declined 82% to 36 by 2024 — the last year in the window that can be treated as complete given typical 18-month publication lag. Read 2025-2026 as still filling in, not as a continued fall.
Wireless networking classes dominate the mix
H04W (wireless communication networks) appears on 74.6% of the 1,115 records and H04L (digital information transmission) on 39.1%, meaning most filings frame the invention as a networking or protocol problem rather than a sensor-hardware one. Power supply (H02J, 3.0%), measured-value transmission (G08C, 2.0%) and radar/positioning (G01S, 1.6%) each cover a small slice, which is notable given how central battery lifetime and measurement transmission are to the search criteria.
Shares are the percentage of the 1,115 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Wireless Industrial Sensor Networks with Eureka
This page is one run against one query. Ask Eureka your own question about wireless industrial sensor networks and every answer comes back with the patent numbers behind it.
Try EurekaRepresentative filing and most-cited records
US9237505B2 — Method for routing data in a wireless sensor network
Filed by GLOBALFOUNDRIES U.S. INC., this patent describes routing a data packet between a source node and a destination node through interconnectable network nodes that operate on a sleep-active schedule, alternating between a sleep mode and an active mode to conserve energy while still forwarding traffic across the mesh.Granted 2016-01-12. Representative of a sizeable cluster of claims that condition mesh routing decisions on node sleep-active scheduling.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US8552597B2 | Passive RF energy harvesting scheme for wireless sensor | 428 |
| 2 | US20200029302A1 | Wake up signal for machine type communication and narrowband-internet-of-things devices | 249 |
| 3 | US20120256492A1 | Passive RF Energy Harvesting Scheme For Wireless Sensor | 249 |
| 4 | WO2018175760A1 | Wake up signal for machine type communication and narrowband-internet-of-things devices | 243 |
| 5 | US20150369618A1 | Interactive applications using data from light sensory networks | 217 |
| 6 | US20060128349A1 | Energy-efficient medium access control protocol and system for sensor networks | 214 |
| 7 | US20070058634A1 | Interaction with wireless sensor devices | 185 |
| 8 | US7729285B2 | Energy-efficient network protocol and node device for sensor networks | 182 |
| 9 | US20050122231A1 | Power efficient wireless system for sensor network | 174 |
| 10 | US20150373482A1 | Application framework for interactive wireless sensor networks | 141 |
Citation counts favour older records inside any searched corpus — read them as a signal of influence on later filings, not as a measure of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Three findings stand out once volume, concentration and citation weight are read together.
Claim space at the top is already occupied
The top 5 assignees combined account for 519 of the 1,115 records in scope, and the top 10 reach 60.5%. A new entrant filing broad mesh-routing or protocol claims is filing directly against companies that already hold dense portfolios there.
The 2021 peak has not been repeated
Filing volume fell from 203 records in 2021 to 36 in 2024, the clearest complete-year comparison available. Several of the largest historical filers show 0 filings in the latest year, though that pattern needs the 2025-2026 publication lag factored in before reading it as retreat.
Networking claims crowd out power-management claims
H04W wireless-networking classifications touch three-quarters of the 1,115 records, while H02J power-supply classifications touch just 3.0%. Given that battery lifetime is one of the search constraints, this gap suggests power-management-specific claiming is thin relative to how often the problem is discussed.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to wireless industrial sensor networks, with the prior art for and against each one.
Who is filing, and where they are not
A small number of assignees hold the bulk of the portfolio weight; most of the ranked 100 companies appear with only a handful of records each.
A single leader well ahead of the field
The top-ranked assignee holds 242 records, nearly six times the fifth-place total of 43, which sets the leader clearly apart from the rest of the top 5 rather than in a tight cluster.
Co-assignee activity is narrow and inventor-driven
Only 10 co-assignee pairs appear in the dataset, and the strongest links are a single company paired repeatedly with individual named inventors rather than joint ventures between firms — a sign that collaborative filing is limited in this space.
Several historical leaders show no recent-year filings
More than one of the largest historical assignees recorded zero filings in the latest year with year-over-year declines of -78% to -100%. Given the roughly 18-month publication lag, this should be read as a data-currency gap first and a genuine exit second.
| Assignee | Recent year | YoY |
|---|---|---|
| LG Electronics Inc | 2 | -78% |
| Nokia Technologies Oy | 0 | -100% |
| Telefonaktiebolaget LM Ericsson (publ) | 0 | -100% |
| SYNAPSENSE CORP | 0 | — |
| Qualcomm Inc | 0 | — |
| Huawei Technologies Co., Ltd. | 0 | -100% |
| Transfert Plus SEC | 0 | -100% |
| Sharp Kabushiki Kaisha | 0 | — |
Where to take this next
The landscape points to specific next steps depending on whether the goal is freedom-to-operate, portfolio strategy or identifying a filing gap.
Check freedom-to-operate against the top 5
With 46.5% of all 1,115 records held by five assignees, any mesh-routing, wireless-protocol or wake-up-signal claim should be checked against their portfolios specifically before drafting.
Run a freedom-to-operate scanProbe the power-management gap
H02J classifications cover only 3.0% of records despite battery lifetime being a core search constraint, suggesting room for narrowly drafted power-management claims that don't collide with the crowded H04W space.
Explore white space in EurekaWatch for renewed filing once 2025-2026 data settles
The apparent drop to zero recent filings from several major assignees is partly a publication-lag artefact; revisit assignee momentum once 2025-2026 records finish publishing.
Track assignee momentumCommon questions about this landscape
The assignee ranking in this dataset is led by a single company with 242 of the 1,115 records in scope, well ahead of the fifth-ranked assignee at 43. The top 5 assignees combined hold 46.5% of all records, and the top 10 hold 60.5%, so filing activity is concentrated among a small group rather than spread evenly across the 100 ranked companies. Anyone assessing competitive position in this space should start with that top group before looking at the long tail.
Filing volume rose sharply to a peak of 203 records in 2021, then fell 82% to 36 records by 2024, the most recent year that can be treated as complete given typical publication delay. Records from 2025 and 2026 will continue to be added as they publish, so the apparent recent drop should not yet be read as a permanent slowdown. The safest comparison point remains the 2021-to-2024 change, since it avoids the partial final years.
US9237505B2, held by GLOBALFOUNDRIES U.S. INC. and granted in January 2016, claims a method for routing data packets through a wireless sensor network mesh in which intermediate nodes operate on a sleep-active schedule, alternating between sleep and active modes while still forwarding traffic between a source and destination node. It sits within a broader cluster of patents conditioning mesh routing decisions on node power states, so anyone designing sleep-scheduled mesh routing should review it directly. It does not cover static, always-on mesh routing implementations that lack a sleep-active duty cycle.
Power-supply and battery-management classifications (H02J) cover only 3.0% of the 1,115 records, and measured-value transmission (G08C) covers 2.0%, both thin relative to how central battery lifetime and sensor data transmission are to the underlying search criteria. By contrast, wireless-networking classifications (H04W) touch 74.6% of records. That gap suggests narrowly drafted power-management or measurement-transmission claims face less crowded prior art than general mesh-networking claims.
The United States receives the largest share of filings in this dataset at 437 records, followed by the European Patent Office at 248 and the WIPO PCT route at 157, with India, Germany and Austria also represented. This spread indicates that companies pursuing wireless industrial sensor network protection are prioritising US and European coverage first, with PCT filings used to preserve broader international options.
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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.