Baffled start section for ram accelerator
US-2025237443-A1 · Jul 24, 2025 · US
Hypervelocity missile propulsion using successive means for increasing the propulsive force, e.g. using successively initiated propellant charges arranged along the barrel length; Multistage missile propulsion · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F41A1/02 |
| Official title | Hypervelocity missile propulsion using successive means for increasing the propulsive force, e.g. using successively initiated propellant charges arranged along the barrel length; Multistage missile propulsion |
| Display label | Hypervelocity missile propulsion using successive means for increasing the propulsive force, e.g. using successively initiated propellant charges arranged along the barrel length; Multistage missile propulsion |
| Total patents | 16 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025237443-A1 · Jul 24, 2025 · US
US-2025189251-A1 · Jun 12, 2025 · US
US-2025066041-A1 · Feb 27, 2025 · US
US-12168528-B2 · Dec 17, 2024 · US
US-2023264836-A1 · Aug 24, 2023 · US
US-11667405-B2 · Jun 6, 2023 · US
US-11365943-B2 · Jun 21, 2022 · US
US-2021180893-A1 · Jun 17, 2021 · US
US-10852081-B2 · Dec 1, 2020 · US
US-10690424-B2 · Jun 23, 2020 · US
US-2019195579-A1 · Jun 27, 2019 · US
US-2019107346-A1 · Apr 11, 2019 · US
US-2019023414-A1 · Jan 24, 2019 · US
US-10132578-B2 · Nov 20, 2018 · US
US-10073020-B2 · Sep 11, 2018 · US
US-2017307313-A1 · Oct 26, 2017 · US