Technology Hotbed · Climate & Environment
wastewater treatment
Momentum: ▲ Rising
Across fully-published filing years — the current year is still publishing and is left out of the signal.
204
Patents
12
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
CHITKARA INNOVATION INCUBATOR FOUNDATION
Chandigarh · Health & Life Sciences
Aditya Bioinnovation Private Limited
Nagpur · Agri & Food
ADITYA BIOINNOVATION PRIVATE LIMITED
Nagpur · Agri & Food
Aditya Bioinnovation Pvt. Ltd.
Nagpur · Agri & Food
BIOFILM ENGINEERS PRIVATE LIMITED
Cuddalore · Energy
BIOFILM ENGINEERS PRIVATE LIMITED
Cuddalore · Energy
FIXITY GREEN PRIVATE LIMITED
Ranga Reddy · Materials & Nanotech
KAASHYAP ENVERGY INFRASTRUCTURES PRIVATE LIMITED
Ranga Reddy · Climate & Environment
REVY ENVIRONMENTAL SOLUTIONS PRIVATE LIMITED
Vadodara · Energy
SAM BIOSOLUTION PRIVATE LIMITED
Kanchipuram · Health & Life Sciences
SAMIKSHA CORPORATION PRIVATE LIMITED
Mumbai · Climate & Environment
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
Where it clusters
Matched startups by state
| State | Startups mapped |
|---|---|
| Tamil Nadu | 2 |
| Chandigarh | 1 |
| Gujarat | 1 |
| Maharashtra | 1 |
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 | 17 | 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
- A.VijayakumarIN · 2
- Dr. J. SivapriyaIN · 2
- Dr. M.S.V.K.V.PRASADIN · 2
- Dr. Nisha YadavIN · 2
- Dr.M.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 MADRAS (IIT Madras)3 of 3 granted
- BHARATI VIDYAPEETH COLLEGE OF ENGINEERING,NAVI MUMBAI2 of 2 granted
- KARUNYA INSTITUTE OF TECHNOLOGY AND SCIENCES2 of 2 granted
- Sardar Vallabhbhai National Institute of Technology, Surat2 of 2 granted
- GURU GOBIND SINGH INDRAPRASTHA UNIVERSITY1 of 1 granted
- Indian Institute of Technology Delhi1 of 1 granted
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.