Freight Rail Patents: Who Leads, Where the Gaps Are 2026
- Filing jumped 500% from 2021 to 2024, rising from 2 to 12 records in the last complete comparison window the data supports.
- The top 5 assignees hold 48.3% of all 172 records, and the top 10 hold 66.9% — concentration sits hard at the top with a long tail behind it.
- Railway traffic control (B61L) touches 54.1% of records, while brakes, navigation and digital data processing each sit under 8%, leaving those branches thin.
Filing growth compares 2021 (2 records) with 2024 (12) — 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 172 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset gathers 172 published records matching freight rail transport combined with train position, wheel contact, traction supply, track condition, traction power and passenger transport terms. The scope spans 2015 through the 2026 cut-off, though the most recent year is necessarily partial: publication lags filing by roughly 18 months, so 2025 and 2026 counts will keep rising as the backlog clears. Patent families, not raw document counts, are used for the assignee ranking, which neutralises continuation filings and multi-jurisdiction duplicates.
Filing activity peaked in 2017 at 28 records, dipped through the early 2020s, then rebounded sharply — 2021 to 2024 alone shows a 500% increase, from 2 to 12 records. Receiving-office data shows the United States as the dominant filing venue, with the PCT route, Europe, Australia, Canada and India all drawing meaningful volume behind it, which points to a field with genuine multi-jurisdiction interest rather than a single home market.
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Filing trend and technology composition
Two views of the same 172-record set: how filing activity has moved year over year, and which IPC subclasses carry the claim density.
Filing trend, 2017-2026
Activity peaked at 28 records in 2017, fell through the following years, then climbed again — 2021's 2 records grew to 12 by 2024, a 500% rise over that span. Treat 2025 and 2026 as undercounted; publication lag means recent filings are still surfacing.
IPC subclass composition
B61L (railway traffic control) appears in 54.1% of the 172 records, far ahead of E01C (roads and pavements, 16.3%) and E04B (building structures, 15.7%). G06Q business-process filings sit at 14.5%, while braking (B60T), navigation (G01C) and digital data processing (G06F) each stay under 8% — because a record can carry multiple classes, these shares add up to more than 100%.
Shares are the percentage of the 172 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Freight Rail Patent Landscape with Eureka
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Try EurekaThe most-cited records in this landscape
Urban transportation and logistics system (US11434610B2)
Disclosed are transport and logistics systems of large cities that may be used in construction of cities with population of over five hundred thousand people. The technical result of the proposed solution is to optimize the urban transport and logistics system, eliminate traffic congestions and ensure rapid movement to any point in the city. The urban transport and logistics system includes the first ground level for road and rail freight transport, the second level of pipeline and technical communications, the third level of passenger transport, the fourth pedestrian level, each level being located one above the other, and they are connected with each other and with residential and non-resiAbstract text as published; truncated at source.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5623413A | Scheduling system and method | 374 |
| 2 | US5794172A | Scheduling system and method | 258 |
| 3 | US20170066459A1 | Rail track asset survey system | 204 |
| 4 | US6154735A | Resource scheduler for scheduling railway train resources | 195 |
| 5 | US20180339720A1 | Integrated rail and track condition monitoring system with imaging and internal sensors | 177 |
| 6 | US20040010432A1 | Automatic train control system and method | 168 |
| 7 | US20100023190A1 | Trip optimizer method, system and computer software code for operating a railroad train to minimize wheel and… | 162 |
| 8 | US20100312461A1 | System and method for vitally determining position and position uncertainty of a railroad vehicle employing d… | 152 |
| 9 | US20040034556A1 | Scheduling system and method | 129 |
| 10 | US20150060608A1 | Rail Vehicle Signal Enforcement and Separation Control | 113 |
Citation counts favour older filings simply because they have had longer to accumulate references — read them as a signal of influence within this corpus, not a ranking of current technical importance.
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Browse MCP servers →What the data means for filing strategy
Three patterns stand out once the raw counts are read against each other.
The top of the field is tight, the rest is a long tail
The leading assignee holds 26 records, and the top 5 combined hold 48.3% of all 172 records in scope — nearly half the field sits with a handful of filers. The top 10 extend that to 66.9%, after which the ranking thins into single- and double-digit filers across 62 companies total.
A rebound after a mid-decade lull
Filing peaked in 2017 at 28 records, then fell before recovering: 2021's 2 records grew to 12 by 2024. That growth curve, not the 2025-2026 tail (which is still filling in due to publication lag), is the reliable read on current direction.
Traffic control claims dominate; several branches stay thin
B61L records outnumber the next class, E01C roads and pavements at 16.3%, by more than three to one. Braking, navigation and digital data processing each remain under 8% of records, which is a meaningfully lighter claim density than the traffic-control core.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to freight rail patent landscape, with the prior art for and against each one.
The assignee landscape
62 companies and individual filers appear in the ranking behind these 172 records. Filing is concentrated at the top but the tail is long, and recent-year momentum has cooled even for names that led earlier in the window.
A single filer leads the ranked field
The top-ranked assignee holds 26 of the 172 records in scope, well ahead of the fifth-place filer at 10 and the tenth-place filer at 5 — a steep drop-off that defines the shape of this landscape.
A cluster forms just behind the leader
Fifth place sits at 10 records and tenth place at 5, meaning the top 10 combined reach 66.9% of all records — the field's real competitive set is smaller than the 62-name ranking suggests.
Momentum has shifted away from earlier leaders
Several assignees that built strong positions earlier in the window show zero filings in the latest year, including one with a -100% year-on-year change; Intramotev Inc is the one name in the momentum data still filing in the most recent year.
| Assignee | Recent year | YoY |
|---|---|---|
| INTRAMOTEV INC | 1 | — |
| Harris Corp | 0 | — |
| TYAGLIN DENIS VALENTINOVICH | 0 | — |
| Board of Regents of the University of Nebraska | 0 | — |
| MetroM Rail LLC | 0 | -100% |
| Technological Resources Pty Ltd | 0 | — |
| General Electric Company | 0 | — |
| TIAGLIN DENIS VALENTINOVICH | 0 | — |
Where to take this analysis
The dataset points to specific next questions rather than a single conclusion — each depends on which side of the field a reader sits on.
Map claim scope against the leader's 26 records
Anyone filing near railway traffic control should read the leading assignee's granted claims closely before drafting, since that single filer already holds the largest share of the crowded core.
Explore assignee claim scope in EurekaTest the under-claimed branches for freedom to operate
Braking, navigation and digital data processing each sit under 8% of records — worth a freedom-to-operate check before assuming the space is open.
Run a white-space search in EurekaTrack the 2021-2024 momentum into 2025 filings
The 500% growth from 2021 to 2024 is the clearest recent signal; watching which assignees keep that pace once 2025 filings finish publishing will show who is actually accelerating.
Set up a filing-trend alert in EurekaCommon questions about freight rail patents
The leading assignee in this dataset holds 26 of the 172 records in scope, with the next four filers combining to bring the top 5's share to 48.3% of all records. Beyond that, the ranking spreads across 62 companies and individual filers, with a steep drop from the leader to fifth place at 10 records. This is a concentrated field at the top with a long tail of smaller filers behind it, rather than one dominated evenly across many players.
Filing activity peaked in 2017 at 28 records, declined for several years, then rebounded: 2021's 2 records grew to 12 by 2024, a 500% increase over that span. That is the most reliable recent trend, because 2025 and 2026 figures are still incomplete — publication typically lags actual filing by around 18 months. Based on the complete years, momentum is currently upward rather than flat or declining.
Railway traffic control (IPC class B61L) is the clear centre of the field, appearing in 54.1% of the 172 records in scope. Roads and pavements (E01C) and building structures (E04B) follow at 16.3% and 15.7% respectively, with business-process filings (G06Q) at 14.5%. Braking, navigation and general digital data processing each stay under 8%, suggesting claim density there is meaningfully lighter than in the traffic-control core.
The branches furthest from the crowded B61L core — brake system monitoring, navigation and gyroscope-based positioning, and general digital data processing — each sit under 8% of the 172 records, well below the traffic-control share. That does not guarantee an empty field, but it does mean claim space there is far less occupied than in traffic control, track condition, or the business-process filings around scheduling. A targeted prior-art search in those specific subclasses is the right next step before drafting.
The United States is the leading receiving office in this dataset with 67 filings, ahead of the PCT (WIPO) route at 18 and the European Patent Office at 17. Australia, Canada and India each show meaningful volume as well, at 13, 12 and 9 respectively. That spread indicates freight rail patenting is genuinely multi-jurisdictional rather than concentrated in a single home market.
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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.