Truck Mixer and Transit Concrete Patents: Who Leads, Where the Gaps Are 2026
- Concentrated at the top. the five most active filers hold 69.9% of all 123 records in scope, and the top ten hold 87.0% — very little of this field sits with a long tail.
- Filing peaked in 2021. 16 records that year, with growth falling -100% by 2024, the last complete filing year before publication lag masks the tail.
- Mixing hardware outweighs sensing. C04B and B28C cover the drum and cement chemistry classes at 57.7% and 48.0% of records, while G01N testing and G06F data processing sit near 11% or below.
Filing growth compares 2021 (16 records) with 2024 (0) — 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 123 records in scope (CR5), not by the ranked leaders only.
What this dataset covers
This landscape tracks 123 published records at the intersection of truck mixer drum mechanics and transit concrete quality control: rotating drum design, blade wear, discharge rate, and the slump-retention and water-addition-control systems that govern how concrete arrives at a job site in usable condition. The search spans 2015 to 2026, capturing the shift from purely mechanical drum patents toward sensor-driven slump monitoring and dosing control layered onto existing mixer hardware.
Coverage runs across six receiving offices, led by the United States, Canada and Australia, with WIPO PCT and EPO filings not far behind — a pattern consistent with a technology that ships as vehicle-mounted equipment sold into multiple national fleets rather than one dominant regional market.
Let an AI agent run this analysis on your own technology
Pick a task. Every answer cites the patents behind it.
Filing trend and technology composition
The filing curve and the IPC breakdown below are drawn from the same 123-record corpus; because a record can carry more than one IPC subclass, the composition shares add up to more than 100%.
Filings rose to a 2021 peak, then declined
Annual filings climbed from zero in 2017 to a peak of 16 in 2021, then fell to 0 by 2024 — a -100% swing over that three-year span. Records from 2025 onward are still incomplete because publication typically lags filing by around 18 months, so the most recent years understate actual filing activity rather than showing a genuine slowdown.
Cement chemistry and drum mixing dominate
C04B (ceramics, cement & refractories) appears in 57.7% of records and B28C (mortar & concrete mixing) in 48.0%, confirming that most claims still sit on the physical mixing and material side. G01N material testing (11.4%), B60P load-handling vehicles and G01F flow measurement (6.5% each), and B05B spraying and G06F data processing (5.7% each) form a much thinner secondary layer of sensing and control art.
Shares are the percentage of the 123 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Truck Mixer and Transit Concrete with Eureka
This page is one run against one query. Ask Eureka your own question about truck mixer and transit concrete and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited records in this corpus
Treating and reporting volume of concrete in delivery vehicle mixing drum (US20140104972A1)
Disclosed are method and system for treating concrete in mixing drums of delivery vehicles having automated rheology (e.g., slump) monitoring systems programmed to dose fluids into concrete based on the monitored rheology. The invention takes into account a Revolution-To-Discharge value reflecting drum rotations needed to move concrete toward discharge, and a Volume-Per-Revolution-Upon-Discharge value relating discharge rate to rheology at discharge — useful for reclaiming concrete in transit.Filed by Verifi LLC, 2014-04-17 — the second most-cited record in this corpus.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5752768A | System for control of the condition of mixed concrete | 177 |
| 2 | US20140104972A1 | Treating and reporting volume of concrete in delivery vehicle mixing drum | 73 |
| 3 | US7879146B2 | Controlled release of chemical admixtures | 65 |
| 4 | US20050145548A1 | Water treatment system | 55 |
| 5 | US20170080600A1 | Concrete mixer and controls therefor | 45 |
| 6 | WO2011026825A2 | Sprayable hydraulic binder composition and method of use | 30 |
| 7 | US9550312B2 | Treating and reporting volume of concrete in delivery vehicle mixing drum | 28 |
| 8 | US5897700A | Apparatus and integrated process for reclaiming paper mill sludge and producing useful products therefrom | 28 |
| 9 | US20070022916A1 | Controlled release of chemical admixtures | 22 |
| 10 | US5154488A | Dual discharge chute system for concrete hauling vehicle | 22 |
Citation counts inside a searched corpus favour older filings that have had more time to accumulate citations — read them as a signal of influence on later art, not as a ranking of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
Put your own technology through the same analysis
Eureka on the web
When you want the answer in the next five minutes.
The agent works the prompt against patents and technical literature, citing every source.
Run your analysis now →MCP server & REST API
When it has to run inside your own pipeline.
Patent search, landscape analysis and assignee resolution as MCP tools. Drop them into any agent framework, or call REST directly.
Browse MCP servers →What the data means for filing strategy
Three patterns stand out once the counts are read alongside the IPC composition and the citation table.
A small group holds most of the field
The five most active filers account for 69.9% of all 123 records, and the ranked ten reach 87.0%. For a new entrant, this means the core mixing-drum and rheology-control claim space is already staked out by a handful of construction-chemicals and mixer manufacturers, and freedom-to-operate work should start with their portfolios specifically rather than a broad prior-art sweep.
Activity has cooled from its 2021 high
Filings rose steadily to a peak of 16 in 2021 before falling to 0 by 2024, the last year that can be treated as complete. That drop coincides with the period when sensor-based slump monitoring and dosing systems (G06F, G01N) were being layered onto existing mechanical drum patents — suggesting the mechanical base claims matured first and control-layer filing has not yet produced a second wave at the same volume.
Material chemistry outweighs digital control
Cement and mortar-mixing classes dominate the corpus, while G06F data processing and G01F flow measurement each sit at or below 6.5% of records. That gap indicates that digital slump-monitoring and automated water-addition control are still a comparatively open layer on top of well-claimed mechanical and chemical foundations.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to truck mixer and transit concrete, with the prior art for and against each one.
Leading assignees and where they cluster
The 28-company ranking is dominated by construction-chemicals suppliers and mixer manufacturers rather than concrete producers themselves, with co-filing pairs pointing to shared inventorship between a chemicals company and named individual inventors.
One filer well ahead of the field
The leading assignee's 39 records outpace fifth place at 5 and tenth place at 3, showing a steep drop-off rather than a gradual taper — the leader's portfolio is the reference point any new filing needs to be checked against.
Named inventors co-file with a chemicals major
The strongest co-assignee pairs link an individual inventor with a construction-chemicals assignee, repeated across several pairings — a pattern consistent with dosing-chemistry inventions being jointly owned or licensed rather than filed by a single corporate R&D unit.
No leading assignee shows recent-year filings
Every one of the top assignees tracked for recent-year momentum shows zero filings in the latest year — consistent with the broader publication lag rather than a sign that these firms have stopped filing; the 2025-2026 window is simply incomplete in the published record.
| Assignee | Recent year | YoY |
|---|---|---|
| Construction Research & Technology GmbH | 0 | — |
| Verifi LLC | 0 | — |
| GCP Applied Technologies Inc | 0 | — |
| ALFONSO MONTSERRAT | 0 | — |
| Holcim Technology Ltd | 0 | — |
| ASSH DANIEL | 0 | — |
| SCHWING AMERICA INC | 0 | — |
| KOLOMIETAB ELENA | 0 | — |
Where to take this analysis
The dataset points to specific follow-up work depending on whether the goal is freedom-to-operate, portfolio strategy, or identifying open claim space.
Map the leader's full claim set
With one assignee holding 39 of 123 records, a detailed claim chart against that portfolio will do more for freedom-to-operate than a broad novelty search.
Explore assignee portfolios in EurekaTrack the control-layer gap
G06F and G01F sit at 5.7% and 6.5% of records respectively — well below the mechanical core — making digital dosing and flow-linked control a candidate area for new filings.
Run a white space search in EurekaCommon questions on truck mixer and transit concrete patents
One assignee leads the field with 39 of the 123 records in this corpus, well ahead of fifth place at 5 and tenth place at 3. The top five assignees together hold 69.9% of all records, and the top ten hold 87.0%, so the field is concentrated rather than evenly spread across the 28 companies in the ranking. Anyone assessing competitive position should treat that leader's portfolio as the primary reference point rather than averaging across the full list.
Filing peaked at 16 records in 2021 and fell to 0 by 2024, a -100% change over that span, which is the last period the data treats as complete. Figures for 2025 and 2026 look lower still, but that reflects the roughly 18-month lag between filing and publication rather than an actual stop in activity. A fair read is that the mechanical and chemical core has slowed after its 2021 peak, not that inventors have abandoned the space.
C04B, covering cement, ceramics and refractories, appears in 57.7% of the 123 records, and B28C, covering mortar and concrete mixing, appears in 48.0%. Sensing and digital control classes are much smaller: G01N material testing sits at 11.4%, and G06F data processing and G01F flow measurement each sit at 5.7-6.5%. That gap suggests the physical mixing and dosing-chemistry claims are well established while sensor-driven and software control layers remain comparatively open.
This Verifi LLC filing, published 2014-04-17, describes a system for dosing fluids into concrete in a delivery vehicle's mixing drum based on automated rheology (slump) monitoring, using a Revolution-To-Discharge value and a Volume-Per-Revolution-Upon-Discharge value to relate drum rotation to discharge rheology. It is the second most-cited record in this corpus at 73 citations, behind only US5752768A. Anyone building slump-monitoring or water-dosing control on a transit mixer should review its claims closely before finalising a design.
The thinnest coverage relative to the mechanical and chemistry core sits in real-time slump monitoring sensors, automated water-addition dosing tied to discharge rate, drum washout water treatment, and blade wear detection — all areas that touch G01N, G01F, G06F and B05B classes at 11.4% of records or below. These branches sit on top of well-claimed drum and mixing-chemistry art, so a workable claim there would likely combine a specific sensor or measurement method with a described control action rather than claiming the drum mechanics themselves.
Research Truck Mixer and Transit Concrete in depth with Eureka
Go past this page: query the whole truck mixer and transit concrete corpus yourself, in your own scope.
Every answer comes back with patent numbers you can open.
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.