Polymer cartridge with enhanced snapfit metal insert and thickness ratios
US-11448491-B2 · Sep 20, 2022 · US
Cartridge cases (F42B5/18 takes precedence {; manufacturing of cartridge cases B21K21/04})
Cartridge cases (F42B5/18 takes precedence {; manufacturing of cartridge cases B21K21/04}) · 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 | F42B5/26 |
| Official title | Cartridge cases (F42B5/18 takes precedence {; manufacturing of cartridge cases B21K21/04}) |
| Display label | Cartridge cases (F42B5/18 takes precedence {; manufacturing of cartridge cases B21K21/04}) |
| Total patents | 75 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 13 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 4 |
| 2021 | 16 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cartridge with improved penetration and expansion bullet
US-11346641-B2 · May 31, 2022 · US
Cartridge with improved penetration and expansion bullet
US-2021404781-A1 · Dec 30, 2021 · US
Subsonic polymeric ammunition with diffuser
US-11209252-B2 · Dec 28, 2021 · US
Subsonic polymeric ammunition with diffuser
US-2021389106-A1 · Dec 16, 2021 · US
Subsonic polymeric ammunition with diffuser
US-2021341269-A1 · Nov 4, 2021 · US
Subsonic polymeric ammunition with diffuser
US-2021341267-A1 · Nov 4, 2021 · US
Subsonic polymeric ammunition with diffuser
US-2021341268-A1 · Nov 4, 2021 · US
Pressed head
US-11125540-B2 · Sep 21, 2021 · US
Polymer cartridge with enhanced snapfit metal insert and thickness ratios
US-2021254951-A1 · Aug 19, 2021 · US
Subsonic polymeric ammunition with diffuser
US-11085742-B2 · Aug 10, 2021 · US
Subsonic polymeric ammunition with diffuser
US-11085740-B2 · Aug 10, 2021 · US
Subsonic polymeric ammunition with diffuser
US-11085741-B2 · Aug 10, 2021 · US
Cover structure with double cover structure and shooting case of munition having same
US-2021231419-A1 · Jul 29, 2021 · US
Subsonic polymeric ammunition with diffuser
US-11047654-B1 · Jun 29, 2021 · US
Cartridge with improved penetration and expansion bullet
US-10928170-B2 · Feb 23, 2021 · US
Improved pressed head
US-2021041211-A1 · Feb 11, 2021 · US
Subsonic polymeric ammunition with diffuser
US-10914558-B2 · Feb 9, 2021 · US
Lightweight cartridge case and weapon system
US-10782107-B1 · Sep 22, 2020 · US
Method of making a metal injection molded ammunition cartridge
US-2020256654-A1 · Aug 13, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F42B5/26?
- CPC F42B5/26 is the Cooperative Patent Classification code for “Cartridge cases (F42B5/18 takes precedence {; manufacturing of cartridge cases B21K21/04}).”
- How many patents are filed under CPC F42B5/26 (Cartridge cases (F42B5/18 takes precedence {; manufacturing of cartridge cases B21K21/04}))?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC F42B5/26 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).