Material-Handling Systems Patents: Top Companies & Filing Trends 2026
- Concentrated at the top. The five most active filers hold 32.9% of all 1,005 records in scope, and the ten most active hold 45.8% — a narrow group controls close to half the field.
- Filings have cooled from a 2020 peak. Activity peaked at 91 records in 2020 and fell to 28 by 2024, a documented -33% change from 42 filings in 2021 — though 2025-2026 figures are still incomplete due to publication lag.
- Conveying and sorting dominate the claim space. B65G conveying and material-handling claims appear in 47.0% of records, more than four times the next largest class, meaning most competitive pressure sits in mechanical transfer, not software routing.
Filing growth compares 2021 (42 records) with 2024 (28) — 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 1,005 records in scope (CR5), not by the ranked leaders only.
What the material-handling systems patent record shows
Material-handling systems patents cover the physical and control-layer machinery that moves goods through warehouses, distribution centers and manufacturing lines: conveyors, automated guided vehicles, load-transfer devices, robotic pickers and the sensing and routing logic that coordinates them. The dataset in scope spans 1,005 published records filed between 2015 and the 2026 cut-off, drawn from a search string that combines system-level terms with mechanism-level terms such as conveyor mechanism, load transfer and item routing. That framing captures both the hardware — rails, carriages, lift assemblies — and the adjacent business-process and tracking claims that ride alongside it.
Filing activity in this set is not evenly spread. A small number of assignees account for a large share of records, receiving offices skew heavily toward the United States, and one IPC subclass — conveying and material handling — anchors nearly half of all filings. Reading the trend, composition and leaderboard together points to where claim space is already dense and where it remains comparatively open.
Filing trend and technology composition
The two views below cover the same 1,005 records from different angles: one tracks filings by year, the other breaks the same records down by IPC subclass. Because a single record can carry more than one IPC class, the composition shares add up to more than 100%.
A 2020 peak followed by a documented pullback
Annual filings rose from 22 in 2017 to a peak of 91 in 2020, then eased to 42 by 2021 and 28 by 2024 — a -33% change over that three-year span. 2025 and 2026 counts will continue to rise as publications catch up with filing dates, so the recent-year numbers should not be read as a continued decline.
Conveying and sorting mechanics lead; data and semiconductor classes trail
B65G (conveying and material handling) appears in 47.0% of the 1,005 records, well ahead of G06Q business-process claims at 10.7% and H01L semiconductor-related claims at 9.3%. B25J manipulators and robots sit at 5.8%, the smallest of the major classes, suggesting robotic-arm-specific claims are a smaller slice of this corpus than conveyor and sortation mechanics.
Shares are the percentage of the 1,005 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
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Try EurekaThe most-cited records anchoring this field
Automatic load transfer device and method for automated material handling systems
The filing describes a load-transfer device for automated material handling systems built around a tow-AGV pulling a train of trailers along a fixed path. A base with spaced rails supports a movable carriage; a conveyor with side-by-side moving fingers sits on the carriage and is raised and lowered by a lift. Separate drives for the carriage, conveyor fingers and lift are coordinated by a controller that sequences loading and unloading between stations.Filed by Savant Automation, Inc., published 2009-10-08 as US20090252577A1.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20140277691A1 | Automated warehousing using robotic forklifts | 518 |
| 2 | US20060188360A1 | Direct tool loading | 476 |
| 3 | US20100316468A1 | Storage and retrieval system | 404 |
| 4 | US7101139B1 | Automated material handling system with motorized transfer vehicles | 371 |
| 5 | WO2010118412A1 | Storage and retrieval system | 293 |
| 6 | WO2000009255A2 | Parallel reactor with internal sensing and method of using same | 286 |
| 7 | US5561873A | Air chamber-type patient mover air pallet with multiple control features | 280 |
| 8 | US6455316B1 | Parallel reactor with internal sensing and method of using same | 264 |
| 9 | US8628289B1 | Material handling and storage/warehouse system | 260 |
| 10 | US6579052B1 | SMIF pod storage, delivery and retrieval system | 251 |
Citation counts inside a searched corpus favour older filings that have had more time to accumulate citations — treat this table as a signal of influence, not of current commercial relevance.
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Three patterns stand out once the trend, composition and leaderboard are read side by side: concentration among a handful of filers, a mechanical core that dominates claim volume, and a filing office pattern that is heavily US-weighted.
A narrow group controls the crowded ground
The five most active assignees combine for 331 of the 1,005 records in scope, and the ten most active for 460. New entrants competing on core conveyor and load-transfer mechanics are filing into space already claimed by a small number of incumbents.
Mechanical transfer, not software, is the densest layer
B65G outnumbers every other class by a wide margin, while G06Q business-process claims (10.7%) and B25J robotics claims (5.8%) trail well behind. Claim pressure is highest on physical transfer mechanisms, not on routing software or robotic manipulators.
Activity has pulled back from its 2020 high
Filings dropped from a peak of 91 in 2020 to 28 in 2024, with the 2021-2024 window showing a documented -33% change. Because publication lags filing by roughly 18 months, 2025-2026 counts are still incomplete and should not yet be read as a continuing decline.
Filing strategy is US-centric with a secondary European and PCT layer
The United States receives more than double the filings of the European Patent Office, with WIPO PCT filings close behind Europe. Canada, Austria and Australia form a smaller secondary tier, indicating most applicants prioritise US protection before deciding on wider international coverage.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to material-handling systems patent landscape, with the prior art for and against each one.
Who holds the ground, and where the gate is
The leaderboard is dominated by warehouse-automation and semiconductor-handling specialists, with the leading assignee holding 124 records against a fifth-place count of 32 and a tenth-place count of 22 — a steep drop-off after the top few names. Recent-year momentum figures show several of the largest historical filers recording zero filings in the latest year, consistent with the broader post-2020 pullback rather than a shift to a new leader.
One filer sits well ahead of the field
The top-ranked assignee holds 124 of the 1,005 records, more than triple the fifth-place count of 32. That gap suggests a long-running, deliberate filing program rather than opportunistic patenting.
A mid-tier cluster follows the leader
Record counts fall sharply after the leader, from 32 at fifth place to 22 at tenth — still substantial positions but far short of the top filer's share. This tier is where competitive filings are most likely to collide with active portfolios.
Several historical leaders show no recent filings
Multiple of the largest historical assignees, including the field's top filer, recorded zero filings in the latest tracked year. That is consistent with the broader 2021-2024 pullback across the dataset rather than evidence any single company has exited the field.
Co-filing is limited and concentrated
Only ten co-assignee pairs appear in the dataset, with the strongest pairs each appearing five times and clustering around a small number of semiconductor-handling and automation specialists. Co-filing is the exception here, not the norm.
| Assignee | Recent year | YoY |
|---|---|---|
| Symbotic LLC | 0 | -100% |
| Berkshire Grey Operating Co Inc | 0 | — |
| Symyx Technologies Inc | 0 | — |
| Asyst Technologies Inc | 0 | — |
| United Parcel Service of America Inc | 0 | — |
| BEC COMPANIES INC | 0 | — |
| Brooks Automation US LLC | 0 | — |
| BROCK USA LLC | 0 | — |
Where to take this analysis next
The figures above describe the shape of the field. Turning that shape into a filing or freedom-to-operate decision means drilling into specific claims and specific assignees.
Map claims against the leading assignee's portfolio
With one filer holding 124 of 1,005 records, checking new claim language against that portfolio first is the fastest way to spot conflict before filing.
Explore assignee portfolios in EurekaTest white-space claims in under-claimed branches
Robotic manipulator and item-tracking sub-areas show thinner coverage than the B65G conveying core — a reasonable place to draft a first claim and check novelty.
Run a novelty check in EurekaWatch for renewed filing after the 2025-2026 lag clears
Because publication lags filing by about 18 months, the apparent 2024 pullback may understate real 2025-2026 activity; revisit the trend once those years complete.
Set a filing alert in EurekaCommon questions about material-handling systems patents
The dataset's ranked assignee list of 100 companies is topped by a single filer with 124 of the 1,005 records in scope, well ahead of the fifth-ranked assignee at 32 and the tenth-ranked at 22. The top five assignees combined hold 32.9% of all records, and the top ten hold 45.8%, showing meaningful concentration at the top of an otherwise long tail of smaller filers. Several of these leading assignees show zero filings in the most recent tracked year, which reflects the broader post-2020 pullback across the field rather than any single company exiting.
Filings peaked at 91 records in 2020 and declined to 28 by 2024, a documented -33% change from the 42 filings recorded in 2021. That said, publication lags filing by roughly 18 months, so the 2025 and 2026 counts in this dataset are still incomplete and will rise as more filings publish. The safest complete-year comparison is 2021 to 2024, and it points to a real cooling rather than continued growth.
Conveying and material-handling mechanics classified under IPC subclass B65G appear in 47.0% of the 1,005 records, far ahead of any other class. Business-process and data-handling claims under G06Q sit at 10.7%, semiconductor-related claims under H01L at 9.3%, and robotic manipulator claims under B25J at just 5.8%. Because records can carry multiple IPC classes, these shares add up to more than 100%, but the ranking makes clear that mechanical conveyor and transfer claims are the densest layer in this field.
Based on the IPC composition, robotic manipulator and end-effector claims (B25J at 5.8% of records) and postal/object sortation sensing (B07C at 7.2%) show noticeably thinner coverage than the dominant B65G conveying category. Item-level tracking integrated into routing chains and load-transfer carriage lift mechanisms also appear as narrower, less saturated branches within the broader dataset. None of these are guaranteed to be open — a proper freedom-to-operate search against the specific claim language is still necessary — but they are comparatively less occupied than the conveyor-mechanics core.
The United States receives the largest share of filings in this dataset at 445 records, more than double the European Patent Office's 151. WIPO PCT filings follow closely behind Europe at 123, with Canada, Austria and Australia forming a smaller secondary tier at 66, 32 and 23 respectively. This pattern indicates that most applicants file first or primarily in the US before deciding whether to pursue broader international protection.
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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.