Ram accelerator sweeper baffles
US-2025189251-A1 · Jun 12, 2025 · US
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Missile propulsion using the combustion of a liquid, {loose powder} or gaseous fuel, e.g. hypergolic fuel
Missile propulsion using the combustion of a liquid, {loose powder} or gaseous fuel, e.g. hypergolic fuel · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F41A1/04 |
| Official title | Missile propulsion using the combustion of a liquid, {loose powder} or gaseous fuel, e.g. hypergolic fuel |
| Display label | Missile propulsion using the combustion of a liquid, {loose powder} or gaseous fuel, e.g. hypergolic fuel |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A method to achieve the caseless ammunition firing with liquid propellant for automatic weapons
US-2020271406-A1 · Aug 27, 2020 · US
Hypervelocity cannon
US-10690424-B2 · Jun 23, 2020 · US
Launch vehicle and system and method for economically efficient launch thereof
US-10562648-B2 · Feb 18, 2020 · US
Hypervelocity cannon
US-2019107346-A1 · Apr 11, 2019 · US
Launch vehicle and system and method for economically efficient launch thereof
US-10202209-B2 · Feb 12, 2019 · US
Launch vehicle and system and method for economically efficient launch thereof
US-2018162559-A1 · Jun 14, 2018 · US
Launch vehicle and system and method for economically efficient launch thereof
US-9862506-B2 · Jan 9, 2018 · US
Launch vehicle and system and method for economically efficient launch thereof
US-2017158356-A1 · Jun 8, 2017 · US
Launch vehicle and system and method for economically efficient launch thereof
US-9617016-B2 · Apr 11, 2017 · US
Gas generators, launch tubes including gas generators and related systems and methods
US-9605932-B2 · Mar 28, 2017 · US
Launch vehicle and system and method for economically efficient launch thereof
US-2016368623-A1 · Dec 22, 2016 · US
Launch vehicle and system and method for economically efficient launch thereof
US-9463881-B2 · Oct 11, 2016 · US
Gas generators, launch tubes including gas generators and related systems and methods
US-2016161226-A1 · Jun 9, 2016 · US