Warehouse Truck Patents: Who Leads, Where the Gaps Are 2026
- One filer, most of the field. The leading assignee alone accounts for 505 of 692 records in scope, and the top 5 combined hold 90.6% — this is not a fragmented technology.
- Filing has cooled from its 2017 peak. Annual filings ran from 120 in 2017 to 21 in 2024, a 66% drop across 2021–2024; treat 2025–2026 counts as still filling in given publication lag.
- Control and data classes now rival the mechanical core. G05D control logic appears on 32.8% of records and G06Q business-data processing on 22.0%, alongside B66F lifting hardware at 55.1% — the mechanism is no longer the whole story.
Filing growth compares 2021 (61 records) with 2024 (21) — 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 692 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset tracks 692 published records filed between 2015 and mid-2026 that combine reach truck, narrow aisle truck or order picker truck hardware with claims on aisle-width management, mast sway control, wire guidance, lift height, operator platforms or pantograph reach mechanisms. It captures both the mechanical core of narrow-aisle material handling and the control, sensing and data layers now built around it. Patent families, not raw document counts, are the fairer unit for judging real filing activity, since a single family can generate several published documents across jurisdictions.
Filing activity peaked in 2017 and has declined since, with the three years to 2024 down 66%. Because publication typically lags filing by around 18 months, the last one to two years in any chart will always look thinner than they eventually turn out to be — that lag, not a sudden drop in R&D, explains most of the recent-year tail.
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Filing trend and technology composition
The figures below are drawn directly from the 692 records in scope and the IPC subclasses attached to them; class shares sum to more than 100% because most records carry several classes.
A 2017 peak followed by a sustained pullback
Annual filings ran from 120 in 2017 down to 5 in the still-incomplete 2026 count, with the 2021-to-2024 window alone falling 66% (61 to 21). Read the final one to two years as provisional rather than as evidence the field has gone quiet.
Mechanical hardware still leads, but software classes are dense
B66F (jacks and lifting devices) covers 55.1% of the 692 records, confirming the mechanical reach and lift mechanism as the anchor claim area. G05D (non-electric variable control) at 32.8%, G06Q (business/commerce data processing) at 22.0% and G06F (digital data processing) at 16.9% show a second, increasingly crowded layer built around navigation, fleet data and operator interfaces.
Shares are the percentage of the 692 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Warehouse Trucks and Narrow Aisle Handling with Eureka
This page is one run against one query. Ask Eureka your own question about warehouse trucks and narrow aisle handling and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records and a representative claim
US6648581B2 — Order picker truck
An order picker truck includes an extendible mast, a load platform slidably fixed relative to the mast, and an operator platform slidably fixed relative to the load platform. A load former fixed to the operator platform defines a volume over part of the load platform, guiding the operator while building the load and stabilising it in place.Filed by Raymond Corporation; published 2003-11-18. Its claim structure around the coupled load-platform/operator-platform/load-former arrangement is a recurring reference point in later order-picker filings.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20120191272A1 | Inferential load tracking | 204 |
| 2 | US20120126000A1 | Load tracking utilizing load identifying indicia and spatial discrimination | 171 |
| 3 | US20170017392A1 | Processing device having a graphical user interface for industrial vehicle | 121 |
| 4 | US20150379704A1 | Lost vehicle recovery utilizing associated feature pairs | 106 |
| 5 | US20180143734A1 | User interface device for industrial vehicle | 83 |
| 6 | US8714311B2 | Monomast for a materials handling vehicle | 81 |
| 7 | US20110137489A1 | Asset monitoring system | 75 |
| 8 | US9349181B2 | Lost vehicle recovery utilizing associated feature pairs | 74 |
| 9 | US20110128118A1 | Authorization system | 63 |
| 10 | US9984467B2 | Vehicle positioning or navigation utilizing associated feature pairs | 56 |
Citation counts are pulled from within this searched corpus and skew toward older filings — they signal influence on later filers, not current commercial weight.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the numbers mean for a filing decision
Three patterns matter more than any single ranking: how concentrated ownership already is, where the technology mix is heading, and which citation clusters define the prior art a new filer has to design around.
This is a one-company field, not a fragmented one
With the leading assignee alone on 505 of 692 records and the top 5 combined at 90.6%, freedom-to-operate work in the mechanical reach/lift core has to start with that leader's portfolio, not with a broad competitor scan.
Activity has pulled back hard from its 2017 high
Annual filings fell from a 2017 peak of 120 to 21 in 2024, the last year that can be read as complete. That is a real slowdown in new filings, not just a lag artefact, since it covers years already past the 18-month publication window.
Control and navigation logic is now a parallel claim front
Alongside B66F lifting hardware at 55.1%, G05D control-of-non-electric-variables claims sit on nearly a third of records, with G06Q business-data processing on 22.0% — wire guidance, mast sway compensation and fleet software are being claimed as heavily as the mechanism itself.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to warehouse trucks and narrow aisle handling, with the prior art for and against each one.
Who holds the claim space, and where it thins out
The ranked leaders list returned by this dataset covers 43 companies; ownership is heavily front-loaded, and the recent-year momentum figures show even the largest filers pulling back.
One assignee sets the boundaries of the mechanical core
A single company's 505 records out of 692 in scope makes it the reference point for any reach-truck or order-picker mechanism claim; a new filer's first move should be mapping its claims before drafting around them.
Even the top filer is slowing
The leading assignee's latest-year count is down 57% year-on-year, and several other ranked assignees show zero filings in the latest year. Read this alongside the publication lag: it is a real cooling trend, not just an artefact of the most recent year being incomplete.
Co-filing is sparse and clustered around individuals
Only 10 co-assignee pairs appear across the dataset, with the strongest links repeating around the same small group of named inventors rather than between corporate assignees — this is a field of solo corporate filers, not joint ventures.
| Assignee | Recent year | YoY |
|---|---|---|
| Crown Equipment Corporation | 3 | -57% |
| Toyota Material Handling Manufacturing Sweden | 2 | 0% |
| Raymond Corporation | 0 | — |
| CROWN EQUIPMENT LIMITED | 0 | — |
| 3M Innovative Properties Company | 0 | -100% |
| Jungheinrich AG | 0 | — |
| SKY TRAX INC | 0 | — |
| BT Products AB | 0 | — |
Where to take this next
The dataset points to three follow-on questions worth running before committing a filing budget or a design-around plan.
Map the leader's claim boundaries
With one assignee holding 505 of 692 records, a claim-by-claim breakdown of its mast, load-platform and operator-platform patents is the first filter for any new mechanical filing.
Explore assignee claims in EurekaTrack the control-layer build-out
G05D and G06Q filings are rising in share even as raw filing counts fall; watch which assignees are shifting mechanical budget toward wire-guidance and fleet-data claims.
Run a technology-class trend in EurekaTest the white-space chips against fresh art
The under-claimed sub-areas flagged here are a starting hypothesis, not a clearance opinion — run each against a live prior-art search before drafting.
Search white space in EurekaCommon questions on warehouse truck patents
One assignee dominates this dataset, holding 505 of the 692 records in scope — well ahead of the rest of the field. The top 5 assignees combined account for 90.6% of all records, and the top 10 reach 95.4%, so ownership is heavily concentrated rather than spread across many small filers. Any competitive or freedom-to-operate review should start with that leading portfolio before looking at the long tail of 43 ranked assignees.
Filing peaked in 2017 at 120 records and has fallen since, with the 2021-to-2024 window down 66% from 61 to 21 filings. 2024 is the most recent year that can be treated as complete; 2025 and 2026 figures will keep rising as publications catch up, since publication typically lags filing by about 18 months. Taken together, the trend is a genuine pullback from a 2017 high rather than a plateau.
B66F (jacks and lifting devices) is the anchor class, covering 55.1% of the 692 records, but control and data classes are close behind: G05D control-of-non-electric-variables appears on 32.8%, G06Q business-data processing on 22.0%, and G06F digital data processing on 16.9%. This shows the claim space has expanded from pure mechanism patents into wire-guidance, mast-sway control, fleet software and operator-interface claims layered on top of the mechanical core.
US6648581B2 claims an order-picker truck with an extendible mast, a load platform that slides relative to the mast, an operator platform that slides relative to the load platform, and a load former on the operator platform that defines a volume to guide and stabilise the load. It blocks that specific coupled arrangement of mast, load platform, operator platform and load former, not order-picker trucks generally. A design that separates load stabilisation from the operator platform, or removes the load-former volume entirely, sits outside its core claim scope, though a full claim chart is needed before relying on that reading.
The dense clusters sit in mechanical lift/reach hardware (B66F) and general control and navigation logic (G05D, G01C), where the leading assignee's 505 records already crowd the space. Thinner, more specific areas include active mast-sway damping, wire-guidance drift compensation, pantograph reach mechanism sensing, and dynamic aisle-width derating logic — sub-areas adjacent to the dense clusters but not yet as heavily claimed in this dataset. Any of these should still be checked against a live prior-art search before drafting, since thin representation here reflects this search string's scope, not a guarantee of no prior art.
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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.