Technology Hotbed · Climate & Environment
water treatment
Momentum: ▲ Rising
Across fully-published filing years — the current year is still publishing and is left out of the signal.
102
Patents
24
Startups matched
27
Foreign filers
Startup counts are name-matched candidates, not ownership records — see methodology. Methodology
Startups working on water treatment
Deep-tech startups with a patent tagged this technology
CHITKARA INNOVATION INCUBATOR FOUNDATION
Chandigarh · Health & Life Sciences
Openwater.in
Bengaluru · Climate & Environment
OPENWATER.IN PRIVATE LIMITED
Bengaluru Urban · Climate & Environment
Aditya Bioinnovation Private Limited
Nagpur · Agri & Food
ADITYA BIOINNOVATION PRIVATE LIMITED
Nagpur · Agri & Food
Aditya Bioinnovation Pvt. Ltd.
Nagpur · Agri & Food
AMIMA PROJECTS PRIVATE LIMITED
Mumbai · Climate & Environment
Arun Kumar
Lucknow · Health & Life Sciences
Arun Kumar
Bengaluru · Health & Life Sciences
Arun Kumar
Bahraich · Health & Life Sciences
ENVIROGREEN MINETECH INDIA PRIVATE LIMITED
Indore · Climate & Environment
EPIONE SWAJAL SOLUTIONS INDIA LLP
Chennai · Health & Life Sciences
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 |
|---|---|
| Maharashtra | 3 |
| Tamil Nadu | 3 |
| Karnataka | 2 |
| Delhi | 1 |
| Haryana | 1 |
| Gujarat | 1 |
| Uttar Pradesh | 1 |
Filing momentum
Filings by year — recent years still publishing
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 12 | 2 |
| 2023 | 23 | 8 |
| 2024 | 31 | 10 |
| 2025 | 23 | 3 |
| 2026partial | 6 | 3 |
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
- Dr. Jaidev KumarIN · 2
- Dr. Rajeev RanjanIN · 2
- Dr.T.RajaIN · 2
- Dr. BRAMHA GUPTAIN · 1
- DR. MIHIR KUMAR PURKAITIN · 1
- Dr. Pankaj ChamoliIN · 1
Educational institutes (6) — ranked by grant rate (share of filings granted, sample-adjusted), not filing volume
- Chettinad Academy of Research and Education1 of 1 granted
- INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI1 of 1 granted
- INDIAN INSTITUTE OF TECHNOLOGY HYDERABAD1 of 1 granted
- INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT Madras)1 of 1 granted
- National Institute of Technology Karnataka (NITK)1 of 1 granted
- NATIONAL INSTITUTE OF TECHOLOGY1 of 1 granted
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.