Heat treatment system
US-12553666-B2 · Feb 17, 2026 · US
Arrangements of devices for charging
Arrangements of devices for charging · 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 | F27B9/38 |
| Official title | Arrangements of devices for charging |
| Display label | Arrangements of devices for charging |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vertical-type baking apparatus of positive electrode material for secondary battery
US-12546536-B2 · Feb 10, 2026 · US
Method of forming positive electrode active material, kiln, and heating furnace
US-2025347466-A1 · Nov 13, 2025 · US
Method of forming positive electrode active material, kiln, and heating furnace
US-12392555-B2 · Aug 19, 2025 · US
Firing system
US-2025189228-A1 · Jun 12, 2025 · US
Method for inductively heating steel ingots on a transport shoe and device for carrying out the method
US-2025164188-A1 · May 22, 2025 · US
Heat treatment system
US-2025155197-A1 · May 15, 2025 · US
Heat treatment system
US-2025155196-A1 · May 15, 2025 · US
Method for inductively heating steel ingots on a transport shoe and device for carrying out the method
US-12276457-B2 · Apr 15, 2025 · US
Heat treatment system and atmosphere substitution structure of heat treatment furnace
US-2024426554-A1 · Dec 26, 2024 · US
Heat treatment system
US-2024102734-A1 · Mar 28, 2024 · US
Heat treatment system
US-2024085112-A1 · Mar 14, 2024 · US
Heat treatment system
US-2024085111-A1 · Mar 14, 2024 · US
Device for heating steel products
US-2024068062-A1 · Feb 29, 2024 · US
Vertical-type baking apparatus of positive electrode material for secondary battery
US-2023053769-A1 · Feb 23, 2023 · US
Method of forming positive electrode active material, kiln, and heating furnace
US-2023014507-A1 · Jan 19, 2023 · US
Method for inductively heating steel ingots on a transport shoe and device for carrying out the method
US-2022107134-A1 · Apr 7, 2022 · US
Permanent magnet, motor, and generator
US-10892091-B2 · Jan 12, 2021 · US
Reduced iron production method and device
US-10571193-B2 · Feb 25, 2020 · US
Reduced iron production method and device
US-2018017326-A1 · Jan 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27B9/38?
- CPC F27B9/38 is the Cooperative Patent Classification code for “Arrangements of devices for charging.”
- How many patents are filed under CPC F27B9/38 (Arrangements of devices for charging)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC F27B9/38 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).