Stead-field coilgun methods and devices
US-12590779-B2 · Mar 31, 2026 · US
Rail launchers
Rail launchers · 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 | F41B6/006 |
| Official title | {Rail launchers} |
| Display label | Rail launchers |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Steady-field coilgun methods and devices
US-12498195-B2 · Dec 16, 2025 · US
Modeling simulation and multi-field coupling analysis method and system for electromagnetic railgun system
US-2025342290-A1 · Nov 6, 2025 · US
Modeling simulation and multi-field coupling analysis method and system for electromagnetic railgun system
US-12462078-B1 · Nov 4, 2025 · US
Dynamic acoustic emission in-situ testing device and method for electromagnetic rail launcher
US-12429399-B1 · Sep 30, 2025 · US
Helical electromagnetic counter recoil mechanism
US-12196507-B1 · Jan 14, 2025 · US
Electromagnetic propulsion system
US-11810715-B2 · Nov 7, 2023 · US
Electromagnetic rifle with compact armature
US-11668544-B1 · Jun 6, 2023 · US
Relay based system to launch a projectile
US-11536534-B2 · Dec 27, 2022 · US
Electromagnetic propulsion system
US-2022406506-A1 · Dec 22, 2022 · US
Electromagnetic propulsion system
US-11469025-B2 · Oct 11, 2022 · US
Relay based system to launch a projectile
US-2022034624-A1 · Feb 3, 2022 · US
Electromagnetic launcher with spiral guideway
US-11073357-B2 · Jul 27, 2021 · US
Electromagnetic propulsion system
US-2021183555-A1 · Jun 17, 2021 · US
Recuperated superheat return trans-critical vapor compression system
US-11035595-B2 · Jun 15, 2021 · US
Electromagnetic launcher with spiral guideway
US-10982926-B2 · Apr 20, 2021 · US
Electromagnetic driver with forward and reverse coils
US-10976130-B1 · Apr 13, 2021 · US
Electromagnetic driver with helical rails to impart rotation
US-10976129-B1 · Apr 13, 2021 · US
Exergy Surface Shaping and Thermodynamic Flow Control of Electro-Mechanical-Thermal Systems
US-2021079918-A1 · Mar 18, 2021 · US
Electromagnetic rifle with spin-stabilized projectile
US-10907928-B1 · Feb 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F41B6/006?
- CPC F41B6/006 is the Cooperative Patent Classification code for “Rail launchers.”
- How many patents are filed under CPC F41B6/006 (Rail launchers)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC F41B6/006 growing?
- Publication counts under this code: 2 in 2023 vs 5 in 2025 (latest complete years).