Asphalt Paver Patents: Who Leads, Where the Gaps Are 2026
- Filings are heavily concentrated at the top. the leading five assignees account for 67.7% of all 260 records in scope, and the leading ten hold 80.8%.
- Filing activity peaked in 2019 at 34 records and has fallen sharply since — the 2021-to-2024 window (the last complete years) shows a 83% decline, from 23 to 4 records.
- Almost all activity sits in one IPC class. E01C (roads and pavements) covers 93.1% of the 260 records, while adjacent classes like heating circuits and material-testing sit in the single digits.
Filing growth compares 2021 (23 records) with 2024 (4) — 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 260 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset tracks published patent records at the intersection of asphalt paver machinery and specific control problems: mat texture uniformity, screed heating, paving speed, mix segregation, thickness control and longitudinal joint quality. It spans records published between 2015 and mid-2026, drawing on 260 records across major receiving offices including the United States, India, Europe, Japan, the WIPO PCT route and China.
The scope is deliberately narrow: it isolates the control and quality-assurance layer of paving equipment rather than general road-building machinery, so the assignee concentration and technology composition below describe that specific slice of the field, not paving equipment as a whole.
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Filing trend and technology composition
Two views of the same 260-record dataset: how filing volume has moved year over year, and which IPC subclasses the claims actually sit in.
Filing trend, 2017–2026
Filings rose to a peak of 34 records in 2019, then declined; the 2021-to-2024 span (the last years with complete publication) fell 83%, from 23 to 4 records. The 2025 and 2026 figures are not yet comparable, since publication typically lags filing by around 18 months.
Technology composition by IPC subclass
E01C (roads and pavements) appears in 93.1% of the 260 records, confirming this corpus sits squarely in paving mechanics and control. Electric heating circuits (H05B, 5.8%), propulsion and drive systems (B60K, 4.6%), and non-electric variable control (G05D, 4.2%) each cover a much smaller slice — since records can carry multiple IPC codes, these shares add up to more than 100%.
Shares are the percentage of the 260 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Asphalt Paver Technology with Eureka
This page is one run against one query. Ask Eureka your own question about asphalt paver technology and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited records in this corpus
Method and road construction system for dynamically controlling a paving speed of a road paver
The disclosure describes a control system that determines paving speed for a road paver as a function of a variable material delivery rate from the supply chain feeding it, and adjusts the pre-compaction performance of the paving screed so that pre-compaction stays constant even as speed changes.Filed by Joseph Vögele AG, published 2024-09-12 (US20240301634A1).
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5356238A | Paver with material supply and mat grade and slope quality control apparatus and method | 216 |
| 2 | US5401115A | Paver with material supply and mat grade and slope quality control apparatus and method | 138 |
| 3 | US20120288328A1 | Integrated Paving Process Control For A Paving Operation | 135 |
| 4 | US20090142133A1 | Paving system and method | 135 |
| 5 | US5201603A | Tow point for an asphalt paver | 97 |
| 6 | US8099218B2 | Paving system and method | 73 |
| 7 | US7946787B2 | Paving system and method | 72 |
| 8 | US5366320A | Screed for paving machines | 72 |
| 9 | US5924819A | Linkage mechanism for an extendable asphalt paver screed | 68 |
| 10 | US3000277A | Asphalt paving machine | 62 |
Citation counts favour older records simply because they have had longer to accumulate citations within the searched corpus — treat them as a signal of influence on the field, not of current technical relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Four read-outs from the dataset that matter for anyone deciding where to file or who to watch.
A small group controls most of the claim space
The leading assignee alone accounts for 91 records; by the fifth-ranked company, the count drops to 11 and by tenth place to 6. That step-down means the field has a genuine leader plus a long tail of single- or few-filing entrants rather than an even spread.
Filing volume has cooled from its 2019 peak
Activity peaked at 34 records in 2019 and has since declined; the last fully comparable years, 2021 to 2024, show a fall from 23 to 4 records. Because publication lags filing by roughly 18 months, the 2025 and 2026 figures are not yet a reliable read on current activity.
Filings cluster tightly around paving mechanics
Nearly all records sit under E01C (roads and pavements), with much smaller footprints in electric heating circuits, propulsion and drive, and non-electric control variables. That imbalance suggests the mechanical and control core is heavily claimed while adjacent sensing and heating integration is comparatively open.
Filing activity is US-centred with meaningful India and Europe volume
The United States leads as receiving office with 109 records, followed by India (32), Europe/EPO (31) and Japan (29); China and the WIPO PCT route trail behind. That spread indicates where enforcement and freedom-to-operate checks matter most.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to asphalt paver technology, with the prior art for and against each one.
Who is filing, and where the gate sits
A leader plus a small group of established equipment makers hold most of the ranked filings, but the momentum data shows even the largest names have gone quiet in the most recent complete year.
One company holds roughly a third of the corpus
The top-ranked assignee's 91 records is more than eight times the count at fifth place (11), making this one of the more top-heavy corners of road construction machinery. That scale typically reflects decades of continuation filings around core screed and control mechanics.
A tight group of paving-equipment makers dominates the ranking
The top ten assignees together cover 210 of the 260 records in scope. Below that line, the ranking thins quickly across 51 companies total, with most holding only a handful of records each.
Co-filing is rare and concentrated within single organisations
Only seven co-assignee pairs appear in the dataset, and the strongest of these link a single company's own subsidiaries or an assignee with named individual inventors, rather than cross-company joint filings. This points to filing strategies built around internal R&D units rather than external partnerships.
| Assignee | Recent year | YoY |
|---|---|---|
| Joseph Vögele AG | 0 | -100% |
| Caterpillar Paving Products Inc. | 0 | — |
| Moba Mobile Automation AG | 0 | — |
| Sumitomo Rubber Industries, Ltd. | 0 | — |
| Ingersoll Rand Co. | 0 | — |
| Caterpillar Inc. | 0 | — |
| Deere & Co. | 0 | — |
| Bomag GmbH | 0 | — |
Where to take this
The dataset points to a mature, top-heavy core with narrower openings at the edges. Two directions are worth following up.
Check freedom-to-operate against the leading assignee's family
With one company holding 91 of 260 records and a strong citation lineage running through decades-old US paver control patents, any new paving-speed or screed-heating filing should be checked against that family before drafting claims.
Run a freedom-to-operate search in EurekaExplore the under-claimed sensing and heating branches
Classes like G01J (radiation measurement) and H05B (electric heating) sit at single-digit shares of the 260-record corpus, well below the dominant E01C mechanics class, suggesting room for narrowly drawn claims in sensor-driven quality control.
Explore white space in EurekaCommon questions about asphalt paver patents
One assignee leads the ranked list with 91 of the 260 records in scope, well ahead of the fifth-ranked company at 11 records. The top five assignees combined hold 67.7% of all records, and the top ten hold 80.8%, so the field is concentrated among a small group of established paving-equipment manufacturers rather than spread evenly across many filers. Anyone entering this space should expect to negotiate around a small number of dominant portfolios rather than a fragmented landscape.
Filing volume peaked in 2019 at 34 records and has declined since; comparing 2021 to 2024, the last years with reasonably complete publication data, filings fell 83%, from 23 to 4 records. Because patent publication typically lags filing by around 18 months, the 2025 and 2026 figures in this dataset are still incomplete and should not be read as evidence of a further slowdown. The honest read is that the field cooled off its 2019 peak, not that it has stopped.
The overwhelming majority, 93.1% of the 260 records, sit under IPC class E01C covering roads and pavements, which includes the core paver and screed mechanics. Smaller but notable shares touch electric heating circuits (5.8%), vehicle propulsion and drive (4.6%), and non-electric variable control (4.2%), reflecting growing interest in heated screeds and automated speed and thickness control layered on top of the mechanical core. Because a single record can carry several IPC codes, these percentages add up to more than 100%.
US20240301634A1, filed by Joseph Vögele AG and published in September 2024, describes a control system that dynamically sets a road paver's paving speed based on the variable material delivery rate from the supply chain, while adjusting the screed's pre-compaction elements to keep pre-compaction constant as speed changes. It is a representative example of the trend toward closed-loop control between material supply and paving speed rather than static speed settings. Anyone drafting claims in this exact control loop should review it closely as prior art.
The technology composition data shows heavy concentration in E01C mechanics (93.1% of records) but only single-digit coverage in adjacent areas like radiation-based measurement (G01J, 2.7%), material analysis and testing (G01N, 3.1%), and electric propulsion (B60L, 3.1%). That gap suggests narrower openings around sensor-driven quality assurance, screed heating element integration, and telemetry between material transfer vehicles and pavers, where filing density is comparatively thin relative to the core mechanical claims.
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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.