Technology Hotbed · Climate & Environment
Wastewater Treatment
Data as of 12 Oct 2026Methodology
Momentum: ▲ Rising
Across fully-published filing years - the current year is still publishing and is left out of the signal.
209
Patents
7
Startups matched
42
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
INPHLOX WATER SYSTEMS PRIVATE LIMITED
Mumbai · Climate & Environment
REVY ENVIRONMENTAL SOLUTIONS PRIVATE LIMITED
Vadodara · Energy
ADITYA BIOINNOVATION PRIVATE LIMITED
Nagpur · Agri & Food
BIOFILM ENGINEERS PRIVATE LIMITED
Cuddalore · Energy
FIXITY GREEN PRIVATE LIMITED
Ranga Reddy · Materials & Nanotech
SAM BIOSOLUTION PRIVATE LIMITED
Kanchipuram · Health & Life Sciences
TIC BIOTECH PRIVATE LIMITED
Coimbatore · Climate & Environment
A sample of matched deep-tech startups - Startup counts are name-matched candidates, not ownership records - see methodology. Methodology
Deep-tech basis: site-backed (own website fetched and read), IP-backed (patent or design filed in its own name), web-backed (described elsewhere on the open web), registry only (registry description alone). How this is decided
Where it clusters
Matched startups by state
| State | Startups mapped |
|---|---|
| Tamil Nadu | 2 |
| Chandigarh | 1 |
| Gujarat | 1 |
| Maharashtra | 1 |
See wastewater treatment on the India map → Where its patents are filed, state by state and city by city, with companies, institutes and individual inventors apart.
Filing momentum
Filings by year - recent years still publishing
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 28 | 8 |
| 2023 | 53 | 11 |
| 2024 | 51 | 6 |
| 2025 | 52 | 12 |
| 2026partial | 19 | 4 |
Patents publish ~18 months after they're filed, so the current year is always incomplete. The Rising / Steady / Cooling signal ignores it and compares only fully-published years - read a dip in the latest year as data still coming in, not a decline.
Who's filing
Indian companies lead - institutes & foreign kept separate
- REVY ENVIRONMENTAL SOLUTIONSIN · 2
- DR J SIVAPRIYAIN · 2
- DR M S N A PRASADIN · 2
- DR NISHA YADAVIN · 2
- DR S KARTHIKIN · 2
- GNANAPRAGASAM GUNASEKARANIN · 2
Educational institutes (6) - ranked by grant rate (share of filings granted, sample-adjusted), not filing volume
- INDIAN INSTITUTE OF TECHNOLOGY MADRAS3 of 3 granted
- SARDAR VALLABHBHAI NATIONAL INSTITUTE OF TECHNOLOGY SURAT3 of 3 granted
- BHARATI VIDYAPEETH COLLEGE OF ENGINEERING NAVI MUMBAI2 of 2 granted
- KARUNYA INSTITUTE OF TECHNOLOGY AND SCIENCES2 of 2 granted
- SRM INSTITUTE OF SCIENCE AND TECHNOLOGY2 of 2 granted
- ANDHRA UNIVERSITY1 of 1 granted
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.