Technology Hotbed · Space
electric propulsion
Momentum: — Steady
Across fully-published filing years — the current year is still publishing and is left out of the signal.
5
Patents
3
Startups matched
3
Foreign filers
Startup counts are name-matched candidates, not ownership records — see methodology. Methodology
Startups working on electric propulsion
Deep-tech startups with a patent tagged this technology
ABRALIN SOFTECH PRIVATE LIMITED
Bhiwandi · Mobility & Transport
AXIAL AERO PRIVATE LIMITED
Sangareddy · Mobility & Transport
Nalwa Aero Private Limited
Mohali · Mobility & Transport
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
No matched startups have surfaced a state for this technology yet — coverage is patent-only.
Filing momentum
Filings by year — recent years still publishing
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 1 | 0 |
| 2025 | 4 | 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
Educational institutes (1) — 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.