Technology Hotbed · Climate & Environment
wastewater treatment
Momentum: — Steady
202
Patents
3
Startups matched
41
Foreign filers
Startup counts are name-matched candidates, not ownership records — see methodology. Methodology
Startups working on wastewater treatment
Deep-tech startups with a patent tagged this technology
ADITYA BIOINNOVATION PRIVATE LIMITED
Nagpur · Agri & Food
SAM BIOSOLUTION PRIVATE LIMITED
Kanchipuram · Health & Life Sciences
Sethu Institute of Technology
Virudhunagar · Agri & Food
A sample of matched deep-tech startups — 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 |
| Chandigarh | 1 |
| Gujarat | 1 |
Filing momentum
2022 onward
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 28 | 8 |
| 2023 | 53 | 11 |
| 2024 | 51 | 6 |
| 2025 | 52 | 12 |
| 2026 | 17 | 4 |
Who's filing
Indian companies lead — institutes & foreign kept separate
Educational institutes (6) — high filing volume, separate from company R&D
Foreign filers (1)
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.