Firearm receiver assembly
US-2026002753-A1 · Jan 1, 2026 · US
Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C27/06)
Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C27/06) · 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 | F41A21/00 |
| Official title | Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C27/06) |
| Display label | Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C27/06) |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Barrel and launching device as well as method for firing off a projectile
US-12305944-B2 · May 20, 2025 · US
Firearm receiver assembly
US-12276470-B2 · Apr 15, 2025 · US
Arrangement and method for balancing a gun barrel of a vehicle mounted weapon system
US-12181239-B2 · Dec 31, 2024 · US
Barrel and launching device as well as method for firing off a projectile
US-2024295375-A1 · Sep 5, 2024 · US
Firearm receiver assembly
US-2023349658-A1 · Nov 2, 2023 · US
Firearm receiver assembly
US-11686548-B2 · Jun 27, 2023 · US
Arrangement and method for balancing a gun barrel of a vehicle mounted weapon system
US-2022252370-A1 · Aug 11, 2022 · US
Firearm receiver assembly
US-2021348870-A1 · Nov 11, 2021 · US
Firearm receiver assembly
US-10895430-B2 · Jan 19, 2021 · US
Firearm receiver assembly
US-2020018564-A1 · Jan 16, 2020 · US
Orthotropic beam truss
US-10495401-B1 · Dec 3, 2019 · US
Fire control insert for firearm
US-10429143-B2 · Oct 1, 2019 · US
Variable barrel camming system for firearm
US-10317159-B2 · Jun 11, 2019 · US
Shell loading system for firearm
US-10309736-B2 · Jun 4, 2019 · US
Firearm receiver assembly
US-10240883-B2 · Mar 26, 2019 · US
Firearm receiver assembly
US-2018087853-A1 · Mar 29, 2018 · US
Shell loading system for firearm
US-2018023907-A1 · Jan 25, 2018 · US
Firing control system for firearm
US-9874417-B2 · Jan 23, 2018 · US
Shell loading system for firearm
US-9803940-B2 · Oct 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F41A21/00?
- CPC F41A21/00 is the Cooperative Patent Classification code for “Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C27/06).”
- How many patents are filed under CPC F41A21/00 (Barrels; Gun tubes; Muzzle attachments; Barrel mounting means (F41A25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C27/06))?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC F41A21/00 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).