Technology Hotbed · Other
cleaning tools
Momentum: ▼ Cooling
Across fully-published filing years — the current year is still publishing and is left out of the signal.
25
Patents
1
Startups matched
7
Foreign filers
Startup counts are name-matched candidates, not ownership records — see methodology. Methodology
Startups working on cleaning tools
Deep-tech startups with a patent tagged this technology
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 |
|---|---|
| Chandigarh | 2 |
| Delhi | 1 |
| Gujarat | 1 |
| Punjab | 1 |
Filing momentum
Filings by year — recent years still publishing
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 5 | 1 |
| 2023 | 9 | 3 |
| 2024 | 5 | 1 |
| 2025 | 5 | 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
- Aditya College of EngineeringIN · 1
- Aditya College of Engineering and TechnologyIN · 1
- Aditya College of PharmacyIN · 1
- Aditya Degree CollegeIN · 1
- Aditya Pharmacy CollegeIN · 1
- FREUDENBERG GALA HOUSEHOLD PRODUCT PRIVATE LIMITEDIN · 1
Educational institutes (6) — ranked by grant rate (share of filings granted, sample-adjusted), not filing volume
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.