Technology Hotbed · Space
Propulsion
Data as of 12 Oct 2026Methodology
Momentum: - Steady
Across fully-published filing years - the current year is still publishing and is left out of the signal.
4
Patents
42
Startups matched
1
Foreign filers
Startup counts are name-matched candidates, not ownership records - see methodology. Methodology
Startups working on propulsion
Deep-tech startups with a patent tagged this technology
ABRALIN SOFTECH PRIVATE LIMITED
Bhiwandi · Mobility & Transport
HYFLEX MOBILITY PRIVATE LIMITED
Bengaluru Urban · Mobility & Transport
ACCELERON AEROSPACE SCIENCES PRIVATE LIMITED
Bengaluru Urban · Space
AELSLIS PRIVATE LIMITED
Hooghly · Other
AEROROTORS AIRCRAFTS RESEARCH AND DEVELOPMENT PRIVATE LIMITED
Kolkata · Mobility & Transport
Altigreen Propulsion Labs Private Limited
Bengaluru Urban · Mobility & Transport
AQUAEX TECHNOLOGIES (OPC) PRIVATE LIMITED
Balaghat · Health & Life Sciences
AXIAL AERO PRIVATE LIMITED
Sangareddy · Mobility & Transport
COMRADO AEROSPACE PRIVATE LIMITED
Bengaluru Urban · Mobility & Transport
Droame LLP
Jaipur · Mobility & Transport
Drona Aviation Private Limited
Thane · Mobility & Transport
DRONELAB TECHNOLOGIES PRIVATE LIMITED
Ahmedabad · Mobility & Transport
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
No matched startups have surfaced a state for this technology yet - coverage is patent-only.
See propulsion 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 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2026partial | 1 | 1 |
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 R SUBRAMANIYAN RAJAIN · 1
- MADHUMITA BIN · 1
- MILAN MONDALIN · 1
- MR P BALAJIIN · 1
- MR SANJAY SIN · 1
- MR T PUSHPAGIRIIN · 1
Educational institutes (1) - ranked by grant rate (share of filings granted, sample-adjusted), not filing volume
Foreign filers (1)
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.