Method of making polymer ammunition having a metal injection molded primer insert
US-10145662-B2 · Dec 4, 2018 · US
all elements made of plastics
all elements made of plastics · 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 | F42B5/313 |
| Official title | all elements made of plastics |
| Display label | all elements made of plastics |
| Total patents | 318 |
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 | 4 |
| 2016 | 18 |
| 2017 | 19 |
| 2018 | 41 |
| 2019 | 68 |
| 2020 | 51 |
| 2021 | 68 |
| 2022 | 39 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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
Method Of Making Polymer Ammunition Cartridge Having A Two-Piece Primer Insert
US-2018245901-A1 · Aug 30, 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
Polymer Ammunition Having a Three-Piece Primer Insert
US-2018224256-A1 · Aug 9, 2018 · US
Polymer Ammunition Cartridge Having a Three-Piece Primer Insert
US-2018224254-A1 · Aug 9, 2018 · US
Polymer Ammunition Having a Three-Piece Primer Insert
US-2018224259-A1 · Aug 9, 2018 · US
Polymer Ammunition Having a Three-Piece Primer Insert
US-2018224257-A1 · Aug 9, 2018 · US
Method of Making a Primer Insert for Use in Polymer Ammunition
US-2018224253-A1 · Aug 9, 2018 · US
Polymer Ammunition having a three-piece primer insert
US-10041771-B1 · Aug 7, 2018 · US
Three-Piece Primer Insert Having An Internal Diffuser For Polymer Ammunition
US-2018202787-A1 · Jul 19, 2018 · US
Two-Piece Primer Insert for Polymer Ammunition
US-2018142998-A1 · May 24, 2018 · US
Two-piece primer insert for polymer ammunition
US-9976840-B1 · May 22, 2018 · US
Polymer ammunition cartridge having a two-piece primer insert
US-2018128587-A1 · May 10, 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F42B5/313?
- CPC F42B5/313 is the Cooperative Patent Classification code for “all elements made of plastics.”
- How many patents are filed under CPC F42B5/313 (all elements made of plastics)?
- Our database includes 318 publications tagged with this CPC code.
- Is patent activity under CPC F42B5/313 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).