Construction Robots and Gantry Systems Patents: Who Leads 2026
- One filer dominates. The ranked leader holds 17 of the 22 records in scope, with the remaining ranked assignees trailing far behind — a field defined by a single early mover rather than a competitive cluster.
- Filing peaked in 2017 and has not returned. Thirteen records published that year against zero in the most recent complete year, though publication lag means the last year or two will always look thinner than it eventually turns out to be.
- Shaping and paving claims dominate the class mix. B28B (shaping clay and cement products) appears on 90.9% of the 22 records and E01C (roads and pavements) on 54.5%, while additive-manufacturing-specific class B33Y sits at just 22.7%.
A narrow, concentrated field built on one foundational filing
Construction printing robots and gantry printing systems describe the machinery that extrudes or places cementitious material on site — typically a gantry, arm, or slip-form carriage guided by toolpath planning software, with claims touching positioning accuracy, site levelling, and weather protection for outdoor deposition. The 22 records in scope span 2015 through the 2026 cut-off, but the dataset is small and dominated by a single applicant family rather than a broad competitive set.
This is not a landscape with dozens of contenders jockeying for position. It is a small, tightly held set of filings anchored by one early and heavily cited application, with the bulk of technical activity concentrated in the shaping and paving classes rather than in additive-manufacturing-specific claim language.
Filing trend and technology composition
Two views of the same 22 records: when filings happened, and which IPC subclasses the claims sit in.
Filing trend: a sharp 2017 peak, then quiet
Filings hit 13 in 2017, the peak year so far, and the most recent complete year shows zero. Publication lag of roughly 18 months means recent years understate true filing activity, but even accounting for that, the field has not produced a second wave of filings on the scale of 2017.
IPC composition: shaping and paving claims lead
B28B (shaping clay and cement products) covers 90.9% of the 22 records and E01C (roads and pavements) covers 54.5%. E04B (building structures) sits at 36.4%, B33Y (additive manufacturing) at 22.7%, and E04G (scaffolding and formwork) at 18.2%. Because records can carry multiple classes, these shares add up to more than 100% of the record total — the overlap itself signals that claims are being written across mechanical shaping and civil-works categories rather than isolated as pure 3D-printing subject matter.
Shares are the percentage of the 22 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Construction Robots and Gantry Systems with Eureka
This page is one run against one query. Ask Eureka your own question about construction robots and gantry systems and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited filing anchors the whole field
Method of reinforced cementitious construction by high speed extrusion printing and apparatus for using same
Describes an automated reinforced concrete construction system for onsite slip-form molding, casting cementitious mixes into a cast-in-place, leave-in-place flexible reinforced containment sleeve. The system supports interchangeable full-scale molding configurations, optional internal reinforcement nets, and layer-wise interlocking additive printed brick deposition for a range of reinforced concrete structures.Filed by Armatron Systems, LLC; published 2018-03-15. This filing and its family members occupy the top citation positions in the dataset.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20180071949A1 | Method of reinforced cementitious constrauction by high speed extrusion printing and apparatus for using same | 191 |
| 2 | US20210107177A1 | Apparatus For Reinforced Cementitious Construction By High Speed 3D Printing | 84 |
| 3 | WO2018052469A2 | Method of reinforced cementitious construction by high speed extrusion printing and apparatus for using same | 31 |
| 4 | US10486330B2 | Method of reinforced cementitious construction by high speed extrusion printing and apparatus for using same | 29 |
| 5 | WO2018052469A3 | Method of reinforced cementitious construction by high speed extrusion printing and apparatus for using same | 17 |
| 6 | US20200061866A1 | Method of Reinforced Cementitious Construction By High Speed Extrusion Printing and Apparatus for Using Same | 16 |
| 7 | US10688683B2 | Method of reinforced cementitious construction by high speed extrusion printing and apparatus for using same | 14 |
| 8 | CA3036127A1 | Method of reinforced cementitious construction by high speed extrusion printing and apparatus for using same | 9 |
| 9 | EA201990497A1 | СПОСОБ КОНСТРУИРОВАНИЯ ИЗ АРМИРОВАННОГО ЦЕМЕНТА ПУТЕМ ВЫСОКОСКОРОСТНОЙ ЭКСТРУЗИОННОЙ ПЕЧАТИ И УСТРОЙСТВО ДЛЯ … | 1 |
| 10 | AU2017326927A1 | Method of reinforced cementitious construction by high speed extrusion printing and apparatus for using same | 1 |
Citation counts favour older records simply by virtue of time in the corpus; treat them as a signal of influence on later filings, not as a measure of current commercial relevance.
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Three findings that shape where a new filing would land and how much room it has to move.
One applicant, not a competitive field
The ranked leader accounts for 17 of the 22 records in scope, with the top four ranked assignees together covering all 22 records. This is a field defined by a single dominant filer's family rather than rival programmes racing for the same claim space.
A single filing wave, not sustained activity
Filing activity peaked at 13 records in 2017 and has not repeated at that scale since. Publication lag means the very latest year understates true activity, but the multi-year gap since the peak is real.
Claims sit in shaping and paving, not pure AM
Nearly all records touch B28B shaping-and-casting claim language, over half touch E01C paving and roads, while only 22.7% reach the dedicated additive-manufacturing class B33Y. New filings framed purely as 3D-printing method claims may be entering a thinner-claimed corner of the space.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to construction robots and gantry systems, with the prior art for and against each one.
A field with one dominant filer and a long tail of individual names
The ranking returns four assignees covering all 22 records in scope — there is no broad competitive set to profile here, only one concentrated family and a handful of individually attributed filings.
The dominant filer
The top-ranked assignee holds 17 of the 22 records, making it the effective owner of the field's core claim language on slip-form and extrusion-based cementitious construction.
No emerging challengers visible
The remaining ranked assignees are individually attributed filings rather than corporate programmes, and none show filing activity in the latest year. There is no visible second entrant building a competing family at scale.
Activity has gone quiet across the board
Every ranked assignee shows zero filings in the most recent year, consistent with the broader trend line. Whether this reflects genuine inactivity or publication lag will only be clear once later years complete.
| Assignee | Recent year | YoY |
|---|---|---|
| Armatron Systems, LLC | 0 | — |
| GILES BRIAN C | 0 | — |
| GILES BRIAN | 0 | — |
| ARMATRON SYST | 0 | — |
Where to take this analysis
The dataset points to a narrow, concentrated field with one foundational family and several under-claimed branches worth checking before committing to a filing strategy.
Map the leader's full family
Before drafting near the core extrusion-printing claims, trace the dominant filer's complete family across jurisdictions to understand exactly what has already been claimed and where continuations may still be pending.
Explore assignee families in EurekaTest claim language against the thin classes
B33Y and E04G coverage sit well below the shaping-and-paving classes, suggesting room to draft additive-manufacturing-specific or scaffolding-integration claims that do not read directly onto the existing family.
Run a claim-gap search in EurekaCommon questions about construction printing robot patents
A single applicant family, filed under Armatron Systems and related individual names, accounts for 17 of the 22 records in this dataset. That family includes the most-cited record in the corpus, a slip-form extrusion printing method and apparatus first published in 2018. Anyone assessing freedom to operate in this space needs to check that family closely, since it is not one voice among many but the dominant claim holder.
The 2017 peak of 13 records coincides with the initial wave of filings around the leading applicant's slip-form extrusion printing system, which was first published the following year. Filing activity has not returned to that scale since, and the most recent complete year shows zero records. Publication lag of around 18 months means the very latest filings may not yet be visible, so the apparent quiet should not be read as certainty that activity has stopped.
It describes an automated reinforced concrete construction system for onsite slip-form molding, using a cast-in-place, leave-in-place flexible reinforced containment sleeve with optional internal reinforcement nets and layer-wise interlocking additive printed brick deposition. It is the most-cited record in this dataset, with 191 citations, and sits within a family that includes several related US and WO publications. Understanding its specific claim scope, rather than just the abstract, is essential before designing a competing extrusion-printing method.
The IPC composition suggests so: B33Y, the class specific to additive manufacturing, appears on only 22.7% of the 22 records, and E04G, scaffolding and formwork integration, on just 18.2%. Compare that to B28B (shaping and casting) at 90.9% and E01C (paving) at 54.5%, and it is clear that most existing claims are written in shaping and civil-works terms rather than additive-manufacturing-specific language. That gap is where a new applicant has the most room to draft without reading directly onto the dominant family.
Very concentrated. The assignee ranking returns just four assignees covering all 22 records in scope, with the top filer alone holding 17. This is not a broad multi-company competitive landscape; it is closer to a single foundational filing with a small number of individually attributed related records. Readers should not expect the fragmented, many-player pattern seen in larger technology fields.
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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.