Inertial igniters for low-g and long-duration firing acceleration munitions and the like
US-12510340-B2 · Dec 30, 2025 · US
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wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin ({F42C9/041 and} F42C15/40 take precedence)
wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin ({F42C9/041 and} F42C15/40 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 | F42C15/20 |
| Official title | wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin ({F42C9/041 and} F42C15/40 take precedence) |
| Display label | wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin ({F42C9/041 and} F42C15/40 take precedence) |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inertial igniters for low-G and long duration firing acceleration munitions and the like
US-12352550-B2 · Jul 8, 2025 · US
Inertial igniters for low-g and long-duration firing acceleration munitions and the like
US-2025044066-A1 · Feb 6, 2025 · US
Inertial igniters for low-G and long-duration firing acceleration munitions and the like
US-12123696-B2 · Oct 22, 2024 · US
Lanyard actuated percussion primer ignition mechanism for reserve battery activation
US-11988493-B2 · May 21, 2024 · US
Inertial igniters for low-g and long-duration firing acceleration munitions and the like
US-2024068789-A1 · Feb 29, 2024 · US
Inertial Igniters for Low-G and Long Duration Firing Acceleration Munitions and the Like
US-2023087616-A1 · Mar 23, 2023 · US
Lanyard actuated percussion primer ignition mechanism for reserve battery activation
US-2022412712-A1 · Dec 29, 2022 · US
Arming apparatus
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Arming apparatus
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Ignition apparatus for projectile
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Triggering device with safety valve and linkage
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Triggering device with safety valve and linkage
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Heat-activated triggering device with bi-metal triggering element
US-2021095944-A1 · Apr 1, 2021 · US
Heat-activated triggering device with bi-metal triggering element
US-10948274-B1 · Mar 16, 2021 · US
System for quick arming of detonation or excitation assembly
US-10718600-B2 · Jul 21, 2020 · US
A system for quick arming of detonation or excitation assembly
US-2019368850-A1 · Dec 5, 2019 · US
Thermal trigger with an integrated out-of-line lockout device for a thermally-initiated ventilation system or other system
US-9696125-B2 · Jul 4, 2017 · US
Thermal trigger with an integrated out-of-line lockout device for a thermally-initiated ventilation system or other system
US-2017016706-A1 · Jan 19, 2017 · US
Compact and low-volume mechanical igniter and ignition systems with safing arm and arming pin for thermal batteries and the like
US-9435623-B2 · Sep 6, 2016 · US