Simultaneous ignition method for hollow modular charge using cluster laser
US-2025377190-A1 · Dec 11, 2025 · US
Separately-loaded propellant charges, e.g. cartridge bags {(F42B5/16, F42B5/192 take precedence)}
Separately-loaded propellant charges, e.g. cartridge bags {(F42B5/16, F42B5/192 take precedence)} · 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 | F42B5/38 |
| Official title | Separately-loaded propellant charges, e.g. cartridge bags {(F42B5/16, F42B5/192 take precedence)} |
| Display label | Separately-loaded propellant charges, e.g. cartridge bags {(F42B5/16, F42B5/192 take precedence)} |
| Total patents | 28 |
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 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Propellant charge, propellant charge assembly, and cartridge ammunition
US-2025283701-A1 · Sep 11, 2025 · US
Muzzleloader power cell with primer
US-11668546-B2 · Jun 6, 2023 · US
Muzzleloader systems
US-11668549-B2 · Jun 6, 2023 · US
Launching device and method for assembling projectiles in a launching device
US-2023147155-A1 · May 11, 2023 · US
Muzzleloader power cell with primer
US-2022107157-A1 · Apr 7, 2022 · US
Muzzleloader systems
US-2022049942-A1 · Feb 17, 2022 · US
Firing trains
US-11187500-B1 · Nov 30, 2021 · US
Muzzleloader with gas powered ejection
US-11162757-B2 · Nov 2, 2021 · US
Muzzleloader power cell with primer
US-11137229-B1 · Oct 5, 2021 · US
Modular charge container
US-11125541-B2 · Sep 21, 2021 · US
Muzzleloader systems
US-11047660-B2 · Jun 29, 2021 · US
Radio frequency igniter
US-10859358-B1 · Dec 8, 2020 · US
Propellant charge container
US-10837741-B2 · Nov 17, 2020 · US
Muzzleloader systems
US-2020284567-A1 · Sep 10, 2020 · US
Muzzleloader with gas powered ejection
US-2020278170-A1 · Sep 3, 2020 · US
Muzzleloader systems
US-10605577-B2 · Mar 31, 2020 · US
Propellant charge container
US-2019331467-A1 · Oct 31, 2019 · US
Modular charge container
US-2019277606-A1 · Sep 12, 2019 · US
Muzzleloader systems
US-2019226818-A1 · Jul 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F42B5/38?
- CPC F42B5/38 is the Cooperative Patent Classification code for “Separately-loaded propellant charges, e.g. cartridge bags {(F42B5/16, F42B5/192 take precedence)}.”
- How many patents are filed under CPC F42B5/38 (Separately-loaded propellant charges, e.g. cartridge bags {(F42B5/16, F42B5/192 take precedence)})?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC F42B5/38 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2025 (latest complete years).