Accelerometer for Condition Monitoring Patent Landscape
The accelerometer-for-condition-monitoring field is in a Growth stage, with annual filings rising and India accounting for the largest share of jurisdictional activity. Activity is moderately concentrated, with academic institutions and IoT-portfolio holders sharing the lead alongside established semiconductor players.
India-led academic filers dominate a moderately concentrated field
Lovely Professional University holds the top position with 14 patent records, followed by Strong Force IoT Portfolio 2016 LLC at 10 and Galgotias University at 8. The top five filers together account for 39% of the hundred largest filers’ combined total, indicating moderate concentration with meaningful room for challengers.
A visible tier gap exists between the top two filers (14 and 10 patent records respectively) and the cluster of mid-tier players filing 6 or fewer records. STMicroelectronics at 6 and Hitachi at 5 are the only established industrial-electronics firms in the top five.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Lovely Professional University | 14 | |
| 2 | Strong Force IoT Portfolio 2016 LLC | 10 | |
| 3 | Galgotias University | 8 | |
| 4 | STMicroelectronics Inc | 6 | |
| 5 | Hitachi Ltd | 5 | |
| 6 | Easwari Engineering College | 3 | |
| 7 | ITT Manufacturing Enterprises LLC | 2 | |
| 8 | Analog Devices Inc | 2 | |
| 9 | CSI Technologies LLC | 2 | |
| 10 | Augury Systems Ltd | 2 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Vellore Institute of Technology | 2 | |
| 12 | Guilin University of Electronic Technology | 2 | |
| 13 | Chongqing University | 2 | |
| 14 | SRM INST OF SCI & TECH (RAMAPURAM CAMPUS) | 2 | |
| 15 | Movus Technologies Pty Ltd | 1 | |
| 16 | Dr. Putti Srinivasa Rao | 1 | |
| 17 | Ludwik Jan Liszka | 1 | |
| 18 | Tianjin Fushenmoen Information Technology Co Ltd | 1 | |
| 19 | Guru Nanak Institute of Technology | 1 | |
| 20 | Mitsubishi Electric Corporation | 1 |
The dominance of academic and research institutions in the upper tier suggests that foundational and applied research is still being actively published, and that commercial players have not yet consolidated the IP landscape to the degree typical of mature technology fields.
Filings from the most recent 18–24 months are likely under-counted due to publication lag; the current rankings and totals should be treated as a floor rather than a ceiling for recent activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volumes rising with dominant control-systems and vibration-measurement themes
Annual filing activity shows a growth trajectory across the review window, while the technology composition reveals a corpus spanning control systems, vibration measurement, AI-based inference, and digital communications.
Annual filing trend
Filings were relatively sparse from 2017 to 2021, then accelerated sharply in 2024 (17 records) and remained elevated in 2025 (15 records). The 2026 count of 9 records is almost certainly understated due to publication lag and should not be read as a slowdown. Overall recent-window growth stands at 22%.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G05B (Control and regulating systems) is the dominant branch with 64 patent records, reflecting the condition-monitoring application layer. G01H (Measuring vibrations and sound, 34 records) and G01M (Testing machine and structural balance, 26 records) form the core sensing layer, while G06N (AI models, 24 records) and H04L (Digital information transmission, 15 records) show increasing integration of machine-learning inference and IoT connectivity.
↗ 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.
Methods and systems for data collection, learning,…
An industrial machine predictive maintenance system may include an industrial machine data analysis facility that generates streams of industrial machine health monitoring data by applying machine learning to data representative of conditions of portions of industrial machines received via a data collection network. The system may include an industrial… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Methods and systems for detection in an industrial… | 177 |
| 2 | Methods and systems for data collection, learning,… | 145 |
| 3 | Methods and systems for determining a normalized s… | 133 |
| 4 | Methods and systems for data collection, learning,… | 129 |
| 5 | Methods and systems for data collection, learning,… | 89 |
| 6 | System for operational monitoring of a machine | 69 |
| 7 | Methods and systems for data collection, learning,… | 41 |
| 8 | Electronic vibration sensor | 32 |
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 competitive structure means for R&D investment
The field’s growth stage and mixed applicant profile create both openings for new entrants and risks from well-resourced incumbents building portfolio positions. The four structural observations below inform where effort is best directed.
Growth stage with rising annual filings
The lifecycle assessment places this field firmly in Growth, with annual filings still rising and the most recent years understated by publication lag. A 22% recent-window growth rate confirms the field has not yet peaked. R&D teams entering now can still establish foundational positions before the landscape matures and freedom-to-operate narrows.
Growth stageModerate concentration, with academic filers leading
The top five filers hold 39% of the hundred largest filers’ combined total, a moderate concentration level that leaves substantial space for commercial entrants. The leading positions are held by universities and an IoT-portfolio holder rather than vertically integrated manufacturers, which means core sensing and system-integration IP may still be acquirable or licensable at reasonable terms.
Moderate HHISTMicroelectronics cross-entity filings most active; limited broader ecosystem co-filing
The most active co-filing relationship is between STMicroelectronics (Italy) and STMicroelectronics Inc, with 7 co-filed records — likely reflecting intra-corporate coordination across legal entities. Chongqing University co-filed with State Grid Chongqing Electric Power Co. and State Grid Corporation of China (1 record each), indicating early utility-sector collaboration in China. Broader cross-sector or cross-institutional collaboration remains sparse, representing an ecosystem gap.
Low co-filing depthIndia is the dominant filing jurisdiction; US and China are secondary
India accounts for 42 patent records at the jurisdictional level, more than the United States (24) and China (9) combined. Europe via EPO registers 7 records. The India-heavy profile reflects the large academic applicant base. Commercial protection strategies focused on industrial markets should prioritise US and European coverage, where end-market demand for condition-monitoring systems is highest.
India-led, US secondaryGo 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 |
|---|---|---|
| STMicroelectronics (Italy) | STMicroelectronics Inc | 7 |
| Chongqing University | State Grid Chongqing Electric Power Co. Electric Power Science Research Institute | 1 |
| Chongqing University | State Grid Corporation of China | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Top filers range from academic institutions to semiconductor specialists
The leading applicants reflect two distinct strategic postures: university-driven applied research filing broadly across the control-and-sensing stack, and focused semiconductor-IP holders concentrating on acceleration measurement physics.
Lovely Professional University
Lovely Professional University leads with 14 patent records and entered as a new entrant in the recent period, concentrating filings across G05B 23 (condition monitoring within control systems), G07C 5 (checking devices), and A61B 5 (medical diagnostics). The breadth of technology focus suggests exploratory academic filing rather than a tightly scoped commercial IP strategy.
14 patent recordsSTMicroelectronics
STMicroelectronics (consolidated across its Italian and US legal entities) holds 6 patent records with a sharply focused profile in G01P 15 and G01P 21 (velocity and acceleration measurement), also entering as a new entrant in the recent window with 4 recent records. This concentrated MEMS-sensing focus positions it as the most commercially oriented filer in the top tier, with co-filing activity indicating cross-entity IP coordination.
6 patent records| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Lovely Professional University | 14 | ▲ new entrant |
| Strong Force IoT Portfolio 2016 LLC | 1 | ▲ new entrant |
| Galgotias University | 1 | ▲ new entrant |
| STMicroelectronics (Italy) | 4 | ▲ new entrant |
| STMicroelectronics Inc | 4 | ▲ new entrant |
| Chongqing University | 1 | ▲ new entrant |
Under-served branches adjacent to the dominant sensing and control core
Several IPC branches appear at lower filing densities relative to the dominant G05B and G01H core; these are observations of relative sparsity and are noted here where they also carry plausible technical value for condition-monitoring applications.
G01P · Velocity & Acceleration (core sensor physics)
With only 14 patent records, the G01P branch — covering the fundamental physics of acceleration sensing — is sparse relative to the application-layer G05B branch (64 records). This gap suggests that novel accelerometer transducer designs, calibration methods, and MEMS architectures for condition-monitoring duty cycles remain under-patented. A realistic entry path exists for semiconductor and MEMS-specialist firms with sensor-physics expertise, as STMicroelectronics and Analog Devices have begun staking positions here but the branch is far from crowded.
Search this in Eureka →G01M · Machine & Structural Testing
G01M (Testing machine and structural balance) holds 26 patent records — meaningful in absolute terms but representing only 8% of the corpus at the patent-record level, and sparse relative to the breadth of industrial machinery applications (pumps, turbines, bearings, shafts) covered by the condition-monitoring domain. Co-filings between Chongqing University and State Grid entities signal utility-sector interest in rotating-machine diagnostics. Engineers focused on bearing-fault detection, shaft imbalance characterisation, or multi-axis structural health monitoring would find limited incumbent density in this branch.
Search this in Eureka →How leading applicants differ by technology route
Route coverage across the main technology branches in the current evidence set.
| Player | G05B 23 · Control & regulating systems | G05B 19 · Control & regulating systems | G06N 20 · Computing based on AI models | G01H 1 · Measuring vibrations & sound | G01M 13 · Testing machine & structure balance |
|---|---|---|---|---|---|
| Strong Force IoT Portfolio 2016 LLC | Strong · 10 | Strong · 10 | Strong · 9 | Absent | Emerging · 2 |
| Galgotias University | Strong · 5 | Moderate · 2 | Absent | Strong · 3 | Strong · 4 |
| Lovely Professional University | Strong · 8 | Moderate · 2 | Moderate · 3 | Absent | Absent |
| Hitachi Ltd | Strong · 5 | Absent | Absent | Strong · 3 | Absent |
| CSI Technologies LLC | Strong · 2 | Absent | Absent | Strong · 2 | Strong · 2 |
| Easwari Engineering College | Strong · 3 | Moderate · 1 | Absent | Absent | Moderate · 1 |
| Vellore Institute of Technology | Strong · 2 | Absent | Strong · 2 | Absent | Absent |
Frequently asked questions
The corpus contains 81 patent families in scope for this topic, spanning filings from 2017 through 2026.
Lovely Professional University leads with 14 patent records, followed by Strong Force IoT Portfolio 2016 LLC with 10 and Galgotias University with 8.
India has the highest jurisdictional count at 42 patent records, followed by the United States at 24 and China at 9. This reflects the large academic applicant base domiciled in India.
The lifecycle assessment places the field in Growth, with annual filings rising and a recent-window growth rate of 22%. The 2026 filing count is understated due to publication lag and should not be interpreted as a slowdown.
G05B (Control and regulating systems) is the dominant branch with 64 patent records, followed by G01H (Measuring vibrations and sound) at 34, G01M (Testing machine and structural balance) at 26, and G06N (AI models) at 24.
STMicroelectronics (6 patent records, focused on G01P velocity and acceleration measurement) and Analog Devices (2 patent records, also concentrated in G01P and semiconductor device sub-classes) are the most active commercial semiconductor filers identified in the corpus. Hitachi Ltd holds 5 patent records with a focus spanning control systems and vibration measurement.
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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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