Light weight ammunition and firearm systems
US-12460907-B2 · Nov 4, 2025 · US
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Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
Bolt action, i.e. the main breech opening movement being parallel to the barrel axis · 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 | F41A3/12 |
| Official title | Bolt action, i.e. the main breech opening movement being parallel to the barrel axis |
| Display label | Bolt action, i.e. the main breech opening movement being parallel to the barrel axis |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 4 |
| 2019 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bolt assembly for firearm
US-2025283679-A1 · Sep 11, 2025 · US
Bolt assembly for firearm
US-12320608-B2 · Jun 3, 2025 · US
Bolt assembly for firearm
US-2024068758-A1 · Feb 29, 2024 · US
Light weight ammunition and firearm systems
US-2023304777-A1 · Sep 28, 2023 · US
Light weight ammunition and firearm systems
US-11561073-B1 · Jan 24, 2023 · US
Automatic pistol slide with laser
US-10436538-B2 · Oct 8, 2019 · US
Firing weapons bonded with diamond-like carbon solid and methods for production thereof
US-10415904-B1 · Sep 17, 2019 · US
Gas-operated firearm with pressure compensating gas piston
US-9816768-B2 · Nov 14, 2017 · US
Shell loading system for firearm
US-9803940-B2 · Oct 31, 2017 · US
Semiautomatic firearm
US-2017122685-A1 · May 4, 2017 · US
Gas-operated firearm with pressure compensating gas piston
US-2017089652-A1 · Mar 30, 2017 · US
Firearm Training Apparatus and Method
US-2016363409-A1 · Dec 15, 2016 · US
Ambidextrous Charging Handle
US-2016356564-A1 · Dec 8, 2016 · US
Gas-operated firearm with pressure compensating gas piston
US-9383149-B2 · Jul 5, 2016 · US
Firearm Training Apparatus and Method
US-2016091271-A1 · Mar 31, 2016 · US
Gas-operated firearm with pressure compensating gas piston
US-2016084597-A1 · Mar 24, 2016 · US
Shell loading system for firearm
US-2016047610-A1 · Feb 18, 2016 · US
Receiver assembly for firearm
US-9163889-B2 · Oct 20, 2015 · US
Bolt action firearm and its method of assembly
US-9151553-B2 · Oct 6, 2015 · US