Roller delayed firearm operating system
US-12146717-B2 · Nov 19, 2024 · US
mounted on the bolt (F41A3/48 takes precedence) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F41A3/46 |
| Official title | mounted on the bolt (F41A3/48 takes precedence) |
| Display label | mounted on the bolt (F41A3/48 takes precedence) |
| Total patents | 11 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12146717-B2 · Nov 19, 2024 · US
US-2024167777-A1 · May 23, 2024 · US
US-11781824-B2 · Oct 10, 2023 · US
US-11656043-B2 · May 23, 2023 · US
US-2022268540-A1 · Aug 25, 2022 · US
US-11371789-B2 · Jun 28, 2022 · US
US-2022146220-A1 · May 12, 2022 · US
US-2021108870-A1 · Apr 15, 2021 · US
US-9759501-B2 · Sep 12, 2017 · US
US-2017122685-A1 · May 4, 2017 · US
US-2017074609-A1 · Mar 16, 2017 · US