Grid-Scale BESS Condition Monitoring Patent Snapshot
The grid-scale BESS condition monitoring patent space is nascent and highly fragmented, with 31 patent families in scope and no single applicant commanding more than a handful of records. Activity is heavily concentrated in China, and the field shows a sharp upswing in filings from 2022 onward — though recent-period counts should be read cautiously given publication lag.
A nascent, China-dominated field with no dominant incumbent
OCTAVE leads the applicant ranking with 3 patent records, followed by a cluster of eight organizations — including Jiangsu Jingkong China, State Grid Electric Power Research Institute, and the Electric Power Research Institute of State Grid Zhejiang — each holding 2 patent records.
The top five filers account for 20% of the combined total across the ranked applicants visible in this query, indicating an unusually flat competitive hierarchy. No organization has established a commanding portfolio, which means there is no entrenched IP barrier at the field level for new entrants with targeted filings.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | OCTAVE | 3 | |
| 2 | Jiangsu Jingkong Intelligent Electric Co., Ltd. | 2 | |
| 3 | Shanghai Electric Distributed Energy Tech Co., Ltd. | 2 | |
| 4 | Shanghai Jiao Tong University | 2 | |
| 5 | Wuhan NARI Co., Ltd. | 2 | |
| 6 | Honeywell International Inc. | 2 | |
| 7 | State Grid Corporation of China | 2 | |
| 8 | State Grid Electric Power Research Institute | 2 | |
| 9 | Electric Power Research Institute of State Grid Zhejiang Electric Power Co., Ltd. | 2 | |
| 10 | Jiangxi Zhixin Testing and Certification Technology Co., Ltd. | 1 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | VAISHALI I | 1 | |
| 12 | NASIYA NIWAZ BANU N | 1 | |
| 13 | Huaneng Pingshan Clean Energy Co., Ltd. | 1 | |
| 14 | Beijing Langmai Huaxin Energy Technology Co., Ltd. | 1 | |
| 15 | State Grid Shandong Electric Power Company Qingdao Huangdao District Power Supply Company | 1 | |
| 16 | SHRI RAVI N BAGADE | 1 | |
| 17 | DR K KANNAN | 1 | |
| 18 | A PREM KUMAR | 1 | |
| 19 | Economic and Technology Research Institute of State Grid Anhui Electric Power Co., Ltd. | 1 | |
| 20 | DR S MEENA | 1 |
The leaders’ positions reflect early-mover advantage rather than scale advantage. OCTAVE’s focus on power-supply and grid-system subclasses (H02J 3 and H02J 7) differentiates it from the measurement-oriented filings (G01R 31) favored by Honeywell International and several Chinese grid-affiliated institutes.
Filings from 2024–2026 are subject to publication lag and likely undercount actual inventive activity in that window; the apparent 2023 trough should not be read as a real slowdown. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Sharp post-2022 acceleration; measurement and grid-integration classes dominate
Two charts together reveal when this field ignited and which technical disciplines are driving it. The filing trend exposes a distinct inflection point, while the technology composition chart shows which IPC branches capture the core inventive activity.
Annual filing trend
Filings were essentially flat from 2017 through 2021, then jumped to 6 records in 2022, dipped to 1 in 2023, recovered to 6 in 2024, and surged to 15 in 2025. The 2025 spike is striking but should be treated as partially provisional given publication lag; the 2026 figure of 1 record almost certainly undercounts still-unpublished filings. The clearest signal is that the field crossed an inflection point around 2022.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G01R (electric and magnetic measurement) and H02J (power supply and grid systems) together account for the majority of patent records, confirming that sensing and grid-integration architectures are the current technical core. H01M (batteries and cells) and G06F (digital data processing) represent a secondary tier. AI-model computing (G06N) appears in only 3 records, flagging it as an under-served branch relative to its likely technical relevance.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Method for determining a power setpoint in a batte…
A method to determine the power setpoint of a battery energy storage system (BESS) to store and release electrical energy, using detailed battery cell data and other detailed data from the system and the environment of the system. The battery energy storage system (BESS) comprises a controller configured to apply feature engineering on the obtained detailed… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 电池储能系统的健康度的评估方法及系统 | 25 |
| 2 | 用于全钒液流电池储能的就地监控系统 | 24 |
| 3 | 具有智能化控制架构的高压大容量电池储能功率转换系统 | 7 |
| 4 | Physics-informed state of health for grid applicat… | 4 |
| 5 | Advanced power management and allocation for gener… | 3 |
| 6 | 钠离子电池储能系统的自适应协同控制系统及方法 | 2 |
| 7 | 融合电力电子的锂电池储能系统故障诊断和危险预测方法 | 2 |
| 8 | 一种锂离子电池储能系统故障诊断方法及系统 | 1 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the structure means for R&D investment decisions
Four lenses — maturity, concentration, collaboration, and geography — frame the strategic implications of the current patent landscape for teams deciding where to build or acquire IP.
Early-stage field with no life-cycle stage confirmed from evidence
The lifecycle stage is not yet determinable from the available evidence. What the filing trend does confirm is that meaningful patenting began only around 2022, placing this field in an early, rapidly accumulating phase. Engineering teams entering now are writing foundational prior art rather than designing around an established thicket.
Early stageFlat hierarchy creates an open competitive window
With the top five filers holding only 20% of the ranked applicants visible in this query’ combined total, and the single leader holding just 3 patent records, no organization has locked in a visible IP position. This is the visible assignee structure of a field in formation — first-mover advantage is still acquirable for teams willing to file systematically across measurement, grid-integration, and AI-diagnostics subclasses.
Low concentrationState Grid ecosystem drives the most active co-filing network
The clearest co-filing pattern links three State Grid–affiliated entities: State Grid Electric Power Research Institute Wuhan NARI, State Grid Electric Power Research Institute, and State Grid Corporation of China, each pair co-filing 2 patent records. This cluster suggests that China’s grid operator is building IP through coordinated internal research rather than external partnerships. No cross-sector or cross-border collaboration pairs are visible in the evidence.
State-led ecosystemChina commands the filing landscape; Western markets are thin
China accounts for 21 of the jurisdictional patent records in scope, followed by India with 5, the United States with 3, EPO with 2, and WIPO (PCT) with 2. The thin US and European presence means Western grid operators and battery integrators have limited prior-art obstacles to filing in their home markets — but also limited freedom-to-operate risk from local incumbents in those jurisdictions today.
China-visibleGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| State Grid Electric Power Research Institute Wuhan NARI Co., Ltd. | State Grid Electric Power Research Institute Co., Ltd. | 2 |
| State Grid Electric Power Research Institute Wuhan NARI Co., Ltd. | State Grid Corporation of China | 2 |
| State Grid Electric Power Research Institute Co., Ltd. | State Grid Corporation of China | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
OCTAVE
OCTAVE holds 3 patent records — the highest count in the ranking — with filing activity concentrated in H02J 3 and H02J 7, both covering power-supply and grid-system integration. Its momentum is flagged as a new entrant, meaning all its filings fall within the recent window, indicating a deliberate and targeted entry into grid-scale BESS monitoring from a grid-architecture angle.
patent records: 3Honeywell International
Honeywell International holds 2 patent records, focused on G01R 31 (electric and magnetic measurement) and H01M 10 (batteries and cells), covering diagnostic and state-of-health monitoring rather than grid-integration architecture. Like OCTAVE, Honeywell is flagged as a new entrant in this specific topic, suggesting its BESS condition monitoring filings represent a recent strategic extension of its broader industrial sensing portfolio.
patent records: 2Frequently asked questions
The evidence covers 31 patent families in scope across the global dataset examined.
OCTAVE leads with 3 patent records, followed by eight organizations each holding 2 patent records, including Honeywell International, State Grid Corporation of China, Shanghai Electric Distributed Energy Tech, and Shanghai Jiao Tong University, among others.
China is visible in with 21 patent records at the jurisdictional level, followed by India with 5, the United States with 3, EPO with 2, and WIPO (PCT) with 2.
G01R (electric and magnetic measurement) leads with 18 patent records, followed closely by H02J (power supply and grid systems) with 17. H01M (batteries and cells) and G06F (digital data processing) form a secondary tier.
The clearest collaboration network involves three State Grid–affiliated entities — State Grid Electric Power Research Institute Wuhan NARI, State Grid Electric Power Research Institute, and State Grid Corporation of China — each pair co-filing 2 patent records. No cross-sector or cross-border co-filing pairs are evident in the evidence.
G06N (AI models) holds only 3 patent records and G05B (control and regulating systems) only 2, while B64U (drones), G01D (general measurement), and B60L (EV propulsion) each appear in just 1 patent record — all representing sparse branches relative to their plausible technical relevance to BESS condition monitoring.
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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.
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