Ammunition cartridge with primer insert
US-D836180-S · Dec 18, 2018 · US
Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges {(F42B33/004 takes precedence)}
Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges {(F42B33/004 takes precedence)} · 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 | F42B33/02 |
| Official title | Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges {(F42B33/004 takes precedence)} |
| Display label | Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges {(F42B33/004 takes precedence)} |
| Total patents | 261 |
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 | 7 |
| 2016 | 20 |
| 2017 | 21 |
| 2018 | 21 |
| 2019 | 51 |
| 2020 | 32 |
| 2021 | 51 |
| 2022 | 45 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of making polymer ammunition having a metal injection molded primer insert
US-10145662-B2 · Dec 4, 2018 · US
Primer Insert Having a Primer Pocket Groove
US-2018266798-A1 · Sep 20, 2018 · US
Primer Insert Having a Primer Pocket Groove
US-2018266797-A1 · Sep 20, 2018 · US
Polymer Cartridge Having a Primer Insert With a Primer Pocket Groove
US-2018266801-A1 · Sep 20, 2018 · US
Cartridge base insert
US-D828483-S · Sep 11, 2018 · US
Methods of preparing nitrocelluse based propellants and propellants made therefrom
US-10066911-B1 · Sep 4, 2018 · US
Polymer Ammunition Having a Primer Insert With a Primer Pocket Groove
US-2018238667-A1 · Aug 23, 2018 · US
Polymer Ammunition Having a Primer Insert With a Primer Pocket Groove
US-2018238669-A1 · Aug 23, 2018 · US
Method of Making a Primer Insert for Use in Polymer Ammunition
US-2018224253-A1 · Aug 9, 2018 · US
Method of making a primer insert for use in polymer ammunition
US-9933241-B2 · Apr 3, 2018 · US
Primer insert for a polymer ammunition cartridge casing
US-9927219-B2 · Mar 27, 2018 · US
Polymer ammunition having a wicking texturing
US-9835423-B2 · Dec 5, 2017 · US
Method of making polymeric subsonic ammunition
US-2017328693-A9 · Nov 16, 2017 · US
Method of making a polymeric subsonic ammunition cartridge
US-2017307346-A9 · Oct 26, 2017 · US
Snap fit assembly for a ruggedized multi-section structure with selective embrittlement or case hardening
US-9738948-B2 · Aug 22, 2017 · US
Method of making polymer ammunition having a metal injection molded primer insert
US-2017205216-A9 · Jul 20, 2017 · US
Method of making a polymer ammunition cartridge having a wicking texturing
US-2017205217-A9 · Jul 20, 2017 · US
Lightweight polymer ammunition cartridge casings
US-2017184380-A9 · Jun 29, 2017 · US
A polymer ammunition having a mim primer insert
US-2017167834-A9 · Jun 15, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F42B33/02?
- CPC F42B33/02 is the Cooperative Patent Classification code for “Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges {(F42B33/004 takes precedence)}.”
- How many patents are filed under CPC F42B33/02 (Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges {(F42B33/004 takes precedence)})?
- Our database includes 261 publications tagged with this CPC code.
- Is patent activity under CPC F42B33/02 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).