Technology Hotbed · Climate & Environment
water treatment
Momentum: — Steady
95
Patents
0
Startups matched
27
Foreign filers
Startup counts are name-matched candidates, not ownership records — see methodology. Methodology
Where it clusters
Matched startups by state
| State | Startups mapped |
|---|---|
| Tamil Nadu | 3 |
| Delhi | 1 |
| Haryana | 1 |
| Karnataka | 1 |
| Maharashtra | 1 |
| Uttar Pradesh | 1 |
Filing momentum
2022 onward
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 12 | 2 |
| 2023 | 23 | 8 |
| 2024 | 31 | 10 |
| 2025 | 23 | 3 |
| 2026 | 6 | 3 |
Who's filing
Indian companies lead — institutes & foreign kept separate
Educational institutes (6) — high filing volume, separate from company R&D
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.