Shear-pin based inertia igniters with preset no-fire protection for munitions and the like
US-12523457-B2 · Jan 13, 2026 · US
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operating by inertia of members on impact
operating by inertia of members on impact · 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 | F42C1/04 |
| Official title | operating by inertia of members on impact |
| Display label | operating by inertia of members on impact |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shear-pin based inertia igniters with preset no-fire protection for munitions and the like
US-2024418488-A1 · Dec 19, 2024 · US
Shear-pin based inertia igniters with preset no-fire protection for munitions and the like
US-12072174-B2 · Aug 27, 2024 · US
Mechanical energy harvesting devices with safety and event detection for munitions and the like
US-12013221-B2 · Jun 18, 2024 · US
Mechanical energy harvesting devices with safety and event detection for munitions and the like
US-2023304780-A1 · Sep 28, 2023 · US
Shear-pin based inertia igniters with preset no-fire protection for munitions and the like
US-2023175825-A1 · Jun 8, 2023 · US
Mechanical energy harvesting devices with safety and event detection for munitions and the like
US-11662192-B2 · May 30, 2023 · US
Shear-pin based inertia igniters with preset no-fire protection for munitions and the like
US-11578960-B2 · Feb 14, 2023 · US
Mechanical fuse striker
US-2022163306-A1 · May 26, 2022 · US
Mechanical energy harvesting devices with safety and event detection for munitions and the like
US-2021285750-A1 · Sep 16, 2021 · US
Multipurpose munition for personnel and materiel defeat
US-10969212-B1 · Apr 6, 2021 · US
Shear-Pin Based Inertia Igniters with Preset No-Fire Protection For Munitions and the Like
US-2020056871-A1 · Feb 20, 2020 · US
Shear-based inertia igniters with preset no-fire protection for munitions and the like
US-10458769-B2 · Oct 29, 2019 · US
Spin acceleration armed inertia igniters and electrical switches for munitions and the like
US-10337848-B2 · Jul 2, 2019 · US
Mechanical inertial igniters for reserve batteries and the like for munitions
US-10234254-B2 · Mar 19, 2019 · US
Shear-Based Inertia Igniters With Preset No-Fire Protection for Munitions and the Like
US-2018274892-A1 · Sep 27, 2018 · US
Spin acceleration armed inertia igniters and electrical switches for munitions and the like
US-2018180393-A1 · Jun 28, 2018 · US
Mechanical Inertial Igniters For Reserve Batteries and the Like For Munitions
US-2016313106-A1 · Oct 27, 2016 · US
Universal smart fuze for unmanned aerial vehicle or other remote armament systems
US-9410783-B1 · Aug 9, 2016 · US
Compact and low-volume mechanical igniter and ignition systems for thermal batteries and the like
US-9160009-B2 · Oct 13, 2015 · US