Rocket motor with dual embedded burnable cutting explosive energetic material
US-2026055746-A1 · Feb 26, 2026 · US
Safety devices, e.g. to prevent accidental ignition
Safety devices, e.g. to prevent accidental ignition · 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 | F02K9/38 |
| Official title | Safety devices, e.g. to prevent accidental ignition |
| Display label | Safety devices, e.g. to prevent accidental ignition |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rocket motor including an embedded charge assembly (ECA) configured to support a burn rate enhancement (BRE) wire
US-12454929-B1 · Oct 28, 2025 · US
Electrochemical rocket motor
US-12060852-B2 · Aug 13, 2024 · US
Multipulse rocket motor with pressure-equalizing channels
US-2024167435-A1 · May 23, 2024 · US
Multi-pulse propulsion system with passive initiation
US-11988173-B2 · May 21, 2024 · US
Safety ignition device for high altitude dual pulse motor including the same
US-11952968-B2 · Apr 9, 2024 · US
Compact safety ignition device for dual pulse motor
US-11952966-B2 · Apr 9, 2024 · US
Safety ignition device for high altitude dual pulse motor including the same
US-2024026840-A1 · Jan 25, 2024 · US
Compact safety ignition device for dual pulse motor
US-2023407818-A1 · Dec 21, 2023 · US
Rocket motor with embedded burnable cutting explosive energetic material
US-11732676-B1 · Aug 22, 2023 · US
Electrochemical rocket motor
US-2023151779-A1 · May 18, 2023 · US
Ignition-quenching covers and methods for aerospace applications
US-11571595-B2 · Feb 7, 2023 · US
Multi-pulse solid rocket motor ignition method
US-11512668-B2 · Nov 29, 2022 · US
Multi-pulse rocket motor with flight termination destruct charge
US-11499505-B2 · Nov 15, 2022 · US
Multi-pulse solid rocket motor ignition method
US-2022170432-A1 · Jun 2, 2022 · US
Multi-pulse propulsion system with passive initiation
US-2022120241-A1 · Apr 21, 2022 · US
In-situ solid rocket motor propellant grain aging using gas
US-11204307-B2 · Dec 21, 2021 · US
Multi-pulse rocket motor
US-2021381468-A1 · Dec 9, 2021 · US
Rocket engine including a lashing device
US-11092110-B2 · Aug 17, 2021 · US
Integrated warhead ESAD/multi-pulse rocket motor EISD device
US-11047340-B2 · Jun 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K9/38?
- CPC F02K9/38 is the Cooperative Patent Classification code for “Safety devices, e.g. to prevent accidental ignition.”
- How many patents are filed under CPC F02K9/38 (Safety devices, e.g. to prevent accidental ignition)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC F02K9/38 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).