Firearm accessory
US-2025116484-A1 · Apr 10, 2025 · US
Tubular magazines, i.e. magazines containing the ammunition in lengthwise tandem sequence
Tubular magazines, i.e. magazines containing the ammunition in lengthwise tandem sequence · 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 | F41A9/72 |
| Official title | Tubular magazines, i.e. magazines containing the ammunition in lengthwise tandem sequence |
| Display label | Tubular magazines, i.e. magazines containing the ammunition in lengthwise tandem sequence |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Impulse cartridge cup for smart stores communication interface squib with electronics
US-12253342-B1 · Mar 18, 2025 · US
Firearm accessory
US-12209841-B2 · Jan 28, 2025 · US
Ammunition magazine with asymmetric feeding
US-2024426565-A1 · Dec 26, 2024 · US
Ammunition magazine with asymmetric feeding
US-12130110-B2 · Oct 29, 2024 · US
Ammunition magazine with asymmetric feeding
US-2024077266-A1 · Mar 7, 2024 · US
Repeating toy crossbow
US-11828565-B2 · Nov 28, 2023 · US
Firearm accessory
US-2022341703-A1 · Oct 27, 2022 · US
Repeating toy crossbow
US-2022341698-A1 · Oct 27, 2022 · US
Shotgun configuration
US-11306995-B2 · Apr 19, 2022 · US
Shotgun ammunition feeding system
US-11035636-B2 · Jun 15, 2021 · US
Shotgun Configuration
US-2021041208-A1 · Feb 11, 2021 · US
Shotgun Ammunition Feeding System
US-2021025666-A1 · Jan 28, 2021 · US
Magazine loader
US-10760865-B2 · Sep 1, 2020 · US
Magazine loader
US-2020124367-A1 · Apr 23, 2020 · US
Magazine loader
US-10422599-B2 · Sep 24, 2019 · US
Magazine loader
US-2019170465-A1 · Jun 6, 2019 · US
Magazine loader
US-10240879-B2 · Mar 26, 2019 · US
Magazine loader
US-2019017762-A1 · Jan 17, 2019 · US
Fire Control for Auto-Loading Shotgun
US-2017138681-A1 · May 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F41A9/72?
- CPC F41A9/72 is the Cooperative Patent Classification code for “Tubular magazines, i.e. magazines containing the ammunition in lengthwise tandem sequence.”
- How many patents are filed under CPC F41A9/72 (Tubular magazines, i.e. magazines containing the ammunition in lengthwise tandem sequence)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F41A9/72 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).