Hydroponic Nutrient Dosing Patents: Who Leads, Filing Trends 2026
A patent landscape review of hydroponic nutrient dosing in controlled-environment agriculture: filing trends, assignee concentration, IPC composition and the most-cited prior art shaping the field through 2026.
Top-5 share = the 5 largest assignees ÷ all 32 records in scope (CR5), not the ranked leaders only.
What the hydroponic nutrient dosing patent record shows
Hydroponic nutrient dosing sits at the intersection of horticulture hardware and fluid metering: patents in this set describe planters, liquid channels and dosing mechanisms built into greenhouse or indoor-farm systems rather than standalone chemistry. The record is small — 32 published records since the search window opened — and structurally lopsided, with one assignee accounting for the large majority of filings. That concentration says more about a single filer’s claim strategy than about the technology being settled; a dense filing count around planter architecture does not mean nutrient-dosing control itself is fully claimed.
Most activity classifies under horticulture and forestry hardware, with only isolated records touching fluid-delivery devices, containers or software-driven dosing logic. That skew is a useful signal for where claim space is still open rather than where it is crowded.
Filing trend and technology composition
Figures below are drawn directly from the 32 records in scope for this search; publication lag means the most recent year is always undercounted at the point of capture.
Filing activity, 2017–2026
Filings began in 2017, peaked at four records in 2018, and have not matched that peak since; 2026 shows zero because the year is only partially published as of the data cut-off.
IPC subclass composition
A01G (horticulture & forestry) covers 93.8% of the 32 records, while A61J (medicine containers), A61M (body-fluid devices) and G06Q (business data processing) each appear in a single record — each a narrow, specific claim rather than a competing cluster.
Shares are the percentage of the 32 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Controlled-Environment Agriculture: Hydroponic Nutrient Dosing Patent Landscape with Eureka
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Try EurekaMost-cited records and a representative filing
US10524434B2 — "Hyrdoponics"
The invention relates to a planter forming part of a hydroponic system. The planter includes a longitudinal body defining at least two longitudinally extending liquid channels and at least two plant holders defined in the body, the plant holders spaced on the outer circumference of the longitudinal body, each one of the at least two plant holders in fluid flow communication with one of the at least two longitudinally extending liquid channels.Filed by EG Texas Holdings, granted 2020-01-07; the claim scope centres on the physical planter architecture rather than dosing chemistry or control software.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | WO2016162856A1 | Hydroponics | 22 |
| 2 | US20180310499A1 | hyrdoponics | 9 |
| 3 | US10524434B2 | Hyrdoponics | 6 |
| 4 | WO2020008400A1 | Planter, planter tower and hydroponic greenhouse | 2 |
| 5 | CA2982234A1 | Hydroponics planter | 2 |
| 6 | IN202221026711A | Automation of nutrient supply based smart system for multilevel hydroponic farming and method thereof | 1 |
Citation counts favour older records simply by virtue of time in the corpus; treat them as a marker of influence on later filings, not as a ranking of current commercial relevance.
Publication numbers are shown where the record carries one (6 of 6 rows); clicking a row searches Eureka by that number.
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Browse MCP servers →What the concentration and class data mean for filing strategy
Three figures from this dataset carry direct implications for anyone deciding where to file or where to design around existing claims.
One filer dominates the record
The leading assignee accounts for 23 of the 32 records in scope, with the remaining four named assignees splitting the rest down to a single record each. That is not a competitive field with a long tail of independent entrants — it is one company's claim strategy plus a handful of isolated filers.
Claims cluster on hardware, not control logic
Almost all records classify under horticulture and forestry hardware (A01G). Dosing-relevant control electronics (A61M), containers (A61J) and software-driven dosing logic (G06Q) each appear only once, suggesting the mechanical planter and channel architecture is the contested ground, not the metering algorithm.
Activity has not sustained its 2018 peak
Filings started in 2017, peaked at four records in 2018, and have since run below that level every year captured. With fewer than four complete years available once publication lag is factored in, no reliable growth rate can be stated from this data.
Filing is spread thin across receiving offices
No single receiving office dominates: Israel leads narrowly with 4 records, followed by Australia, Canada, the EPO, India and Singapore at 3 each. That spread indicates applicants are testing multiple jurisdictions rather than concentrating protection in one market.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to controlled-environment agriculture: hydroponic nutrient dosing patent landscape, with the prior art for and against each one.
Where to take this analysis
The dataset points to specific next questions for R&D and IP teams working in this space.
Check freedom to operate around the leading assignee
With one filer holding 23 of 32 records, any dosing or planter architecture work should be checked against that portfolio's specific claim language before committing to a design direction.
Explore Eureka's patent searchProbe the under-claimed control-logic branches
A61M, A61J and G06Q each carry only one record; a first mover with a well-drafted dosing-control or software claim in these branches faces far less prior art than in the crowded A01G class.
Run a white-space analysis in EurekaCommon questions about hydroponic nutrient dosing patents
One assignee holds 23 of the 32 records tracked in this dataset, making it by far the dominant filer in this specific search scope. The remaining four named assignees each hold a much smaller share, down to a single record for the smallest. This is a narrow, concentrated field rather than one with a broad competitive base, so any competitive analysis should focus first on the leading filer's specific claim scope rather than assume a crowded market.
Filing began in 2017 and peaked at four records in 2018, but no later year has reached that level again. There are fewer than four complete years of data once publication lag is accounted for, so no reliable growth rate can be stated. Readers should treat the most recent year in any trend chart as understated, since publication typically lags actual filing by around 18 months.
The overwhelming majority — 93.8% of the 32 records — classify under A01G, horticulture and forestry hardware, covering planters, liquid channels and similar physical structures. Dosing-relevant control devices, containers and software each appear in only one record apiece. This means the mechanical architecture of hydroponic systems is where most claim activity sits, while dosing control logic and software remain comparatively unclaimed.
US10524434B2, titled "Hyrdoponics" and assigned to EG Texas Holdings, claims a planter with a longitudinal body defining at least two liquid channels and at least two plant holders, each holder in fluid communication with one of the channels. It is a hardware claim about the physical planter structure rather than a dosing algorithm or nutrient-mix chemistry claim. Anyone designing a similar multi-channel planter should review this claim's specific structural limitations before finalising a design.
Filing activity is spread across several receiving offices with no single dominant market: Israel leads narrowly with 4 records, while Australia, Canada, the EPO, India and Singapore each show 3. This distribution suggests applicants are pursuing protection in multiple jurisdictions in parallel rather than concentrating on one home market, which is worth noting when planning where to file or monitor for competing applications.
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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.