Smart Irrigation IoT Patents: Who Leads, Where the Gaps Are 2026
- India now dominates filing volume. 80 of 119 families originate from Indian filers, more than four times the next-largest office, China at 20.
- Filing is still accelerating, not maturing. Annual filings rose from 2 in 2017 to 26 in 2026, with the midpoint year (2022) at just 6 — the growth curve has not flattened.
- No single assignee has pulled ahead. Recent-year momentum is flat across the named assignees (0% YoY at 1 filing each), pointing to a fragmented field with no entrenched leader yet.
A young, fragmenting field centred on control logic, not radios
The 119 patent families captured under this search sit at the intersection of irrigation control, wireless sensor networks and cloud connectivity. A01G (horticulture and forestry) touches 114 of the 119 records, confirming that almost every filing anchors its claims in the agricultural application rather than in the connectivity layer itself. Wireless- and data-specific subclasses — H04W, H04L, G06Q and G05B — appear as secondary classifications on a large minority of records, which suggests connectivity and analytics are usually claimed as a supporting layer bolted onto an irrigation-control invention, not as the primary invention.
Filing activity is recent and rising: the trend runs from 2 families in 2017 to 26 in 2026, with the midpoint year sitting at only 6. Because publication typically lags filing by around 18 months, the true 2025-2026 filing volume is almost certainly higher than what has published so far. Receiving-office data shows the centre of gravity has moved decisively toward India, with China and the United States a distant second and third.
Filing trend and technology composition
Two views of the same 119-family dataset: how filing volume has moved year over year, and how those filings distribute across the IPC subclasses that define the technology.
Filing trend, 2017-2026
Filings climbed from 2 in 2017 to 26 in 2026 (partial year), with the midpoint year at 6 — the curve is still steepening rather than levelling, and the true recent-year total is understated by publication lag.
IPC subclass composition
A01G covers all but 5 of the 119 records; G06Q, G05B, H04W and H04L each cover a substantial secondary share, showing connectivity and control logic are usually claimed alongside the irrigation application rather than standalone.
Shares are the percentage of the 119 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Smart Irrigation System Wireless Connectivity and IoT with Eureka
This page is one run against one query. Ask Eureka your own question about smart irrigation system wireless connectivity and iot and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited prior art in this space
AU2021103246A4 — Wireless sensor node based smart irrigation system using cloud services
The filing describes a sensing unit with embedded sensors for climatic, soil and crop parameters, a camera-based security system for field monitoring, a control unit for automated irrigation using soil-embedded sensors with continuous cloud data monitoring, and a web-based display for visualising plant health and feeding-pattern records.Filed by KCG College of Technology, published 2022-03-17 as an Australian innovation patent — a useful marker of how narrowly a combined sensing-plus-cloud-plus-display claim can be drawn.
View full record| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US8849461B2 | Methods and systems for irrigation control | 49 |
| 2 | US20140326801A1 | System and methods for monitoring leaf temperature for prediction of plant water status | 48 |
| 3 | CN104904569A | 一种基于动态含水量估计的智能灌溉调控系统及方法 | 47 |
| 4 | US9241451B2 | Methods and systems for irrigation control | 42 |
| 5 | US20140371928A1 | Methods and systems for irrigation control | 35 |
| 6 | CN104904570A | 基于无线传感器网络的荔枝园节水灌溉控制系统及方法 | 33 |
| 7 | US20190307084A1 | Methods and systems for irrigation control | 31 |
| 8 | CN102172195A | 基于无线传感器网络的精细滴灌测控系统 | 31 |
| 9 | US9886016B2 | Automated irrigation control system | 23 |
| 10 | US10362739B2 | Methods and systems for irrigation control | 16 |
Citation counts inside a searched corpus favour older records that have had more time to accumulate citations — read them as a signal of influence on the field, not of current technical importance.
Patent titles are shown in the language they were filed in, not translated, so that each record stays verifiable against the original filing — a translated title will not match in Eureka or in any national register. Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the numbers say about where this field is headed
Three findings stand out once filing trend, technology composition and geography are read together.
Growth is still accelerating, not plateauing
The midpoint year (2022) sits at just 6 families, meaning most of the volume in this dataset has arrived in the last few years. A curve this steep, this late, usually means the claim space is still being staked out rather than consolidated.
India has become the primary filing jurisdiction
India accounts for two-thirds of all families, more than the next four receiving offices combined (China, US, Australia, Netherlands). This is unusual for an IoT-adjacent category and signals a domestic push tied to agricultural policy or academic filing activity rather than a globally coordinated corporate strategy.
No assignee has separated from the pack
The most active named assignees in the latest year are each filing at a single-digit pace with flat year-over-year momentum. Co-assignee pairs are rare (4 total) and small, reinforcing that this is still an academic- and individual-inventor-heavy field rather than one organised around a handful of corporate portfolios.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to smart irrigation system wireless connectivity and iot, with the prior art for and against each one.
A fragmented field without a clear incumbent
Assignee activity is spread thin. The most-cited prior art comes from established irrigation-controller filers, but current filing volume is dominated by academic institutions and individual inventors with small, flat portfolios.
Academic filers lead on recent volume
Swami Vivekananda Subharti University and Narula Institute of Technology each show 1 filing in the latest year with 0% YoY change — the highest recent activity in the dataset, but not enough to constitute a lead.
Legacy irrigation-controller patents still anchor citation counts
The most-cited records in the corpus are irrigation-control patents predating the current IoT wave, cited up to 49 times. They shaped baseline control logic that newer connectivity-layer filings now build on top of.
Collaboration is limited and small-scale
Only four co-assignee pairs exist in the dataset, each appearing twice, all centred on the same lead inventor working with different academic co-authors. There is no evidence yet of larger multi-party or corporate-academic consortia.
| Assignee | Recent year | YoY |
|---|---|---|
| SWAMI VIVEKANANDA SUBHARTI UNIVERSITY | 1 | 0% |
| NARULA INST OF TECH | 1 | 0% |
| Rain Bird Corporation | 0 | — |
| South China Agricultural University | 0 | — |
| The Regents of the University of California | 0 | — |
| Zhenjiang Xinminzhou Lvyuan Agricultural Development Co., Ltd. | 0 | — |
| Lovely Professional University | 0 | -100% |
| SAVEETHA ENG COLLEGE | 0 | -100% |
Where to take this analysis
The dataset points to a field still forming rather than one with settled leaders — the next steps depend on whether the goal is freedom-to-operate or first-mover positioning.
Screen the under-claimed branches before drafting
LPWAN-specific sensor protocols and AI-driven scheduling logic show thinner claim density than the core control-unit art. A claim drafted around either could avoid the densest prior art entirely.
Explore white space in EurekaTrack India-origin filings directly, not through US/EP proxies
With 80 of 119 families originating from India, a monitoring strategy built only on USPTO or EPO alerts will miss the majority of new activity in this field.
Set up jurisdiction trackingWatch for consolidation among academic filers
No assignee currently shows sustained multi-year momentum. The first institution or company to convert single filings into a repeated program is worth flagging early.
Monitor assignee activityCommon questions about this landscape
No single company currently dominates this field. The most-cited prior art comes from established irrigation-controller filers with patents like US8849461B2 and US9241451B2, both cited over 40 times, but these predate the current wave of IoT-connected filings. Recent-year filing activity is instead led by academic institutions such as Swami Vivekananda Subharti University and Narula Institute of Technology, each filing at a modest, flat pace. This is a fragmented field rather than one organised around a handful of dominant portfolios.
Of the 119 patent families in this dataset, 80 originate from India, far more than China (20) or the United States (14). This concentration likely reflects a domestic push in Indian agricultural technology policy combined with high academic filing volume, since many of the assignees are universities and colleges rather than multinational agritech firms. Anyone building competitive intelligence in this space needs to track Indian filings directly rather than relying on US or European patent office alerts alone.
Yes, and the growth curve is still accelerating. Filings rose from 2 families in 2017 to 26 in 2026, with the midpoint year (2022) sitting at only 6 — meaning the majority of filing volume has arrived in the last few years. Because patent publication typically lags filing by around 18 months, the actual 2025-2026 filing rate is likely higher than the published figures show, so the field is younger and more active than the raw numbers alone suggest.
AU2021103246A4 is an Australian innovation patent filed by KCG College of Technology, describing a wireless sensor node system that combines climatic and soil sensing, a camera-based field security feature, automated irrigation control, and cloud-based data visualisation via Adafruit services. As an Australian innovation patent, its enforceable scope is narrower and more jurisdiction-limited than a standard patent, and its specific combination of camera monitoring plus Adafruit cloud integration is fairly narrow. It is more useful as an example of how such combination claims are drafted than as a broad blocking reference for the wider field.
The technology composition shows that connectivity-specific and AI-driven subclasses — H04W, H04L and G06N — appear on a meaningful but secondary share of records compared to the core A01G irrigation-control classification present in 114 of 119 families. This suggests LPWAN-specific sensor protocols, AI-driven scheduling models, and cloud-to-field actuator security layers are less densely claimed on their own than combined irrigation-control inventions. A claim drafted to lead with the connectivity or AI layer, rather than treating it as a secondary feature of an irrigation controller, is more likely to find open claim space.
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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.