Pneumatic conveying system and circulating fluidized bed boiler
US-12571534-B2 · Mar 10, 2026 · US
Feeding devices for pulverulent fuel
Feeding devices for pulverulent fuel · 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 | F23K2203/008 |
| Official title | Feeding devices for pulverulent fuel |
| Display label | Feeding devices for pulverulent fuel |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pneumatic conveying system and circulating fluidized bed boiler
US-2025383085-A1 · Dec 18, 2025 · US
Control method and system for small pulverized coal silo feeding
US-12359806-B2 · Jul 15, 2025 · US
Control method and system for small pulverized coal silo feeding
US-2025122999-A1 · Apr 17, 2025 · US
Fuel transfer apparatus and boiler facility including same
US-12181150-B2 · Dec 31, 2024 · US
Online pulverized coal concentration regulator and regulating method
US-12092327-B2 · Sep 17, 2024 · US
Method and system for determining transportation safety of pulverized coal
US-12019961-B2 · Jun 25, 2024 · US
Fuel transfer apparatus and boiler facility including same
US-2024003535-A1 · Jan 4, 2024 · US
Fuel transfer apparatus and boiler facility including same
US-11815263-B2 · Nov 14, 2023 · US
Method and system for determining transportation safety of pulverized coal
US-2022164499-A1 · May 26, 2022 · US
Online pulverized coal concentration regulator and regulating method
US-2022146097-A1 · May 12, 2022 · US
Fuel transfer apparatus and boiler facility including same
US-2021108794-A1 · Apr 15, 2021 · US
Combustion system for a boiler
US-10948182-B2 · Mar 16, 2021 · US
Solid fuel pulverizing device and method for controlling same
US-10603673-B2 · Mar 31, 2020 · US
Coal rope distributor with replaceable wear components
US-9857077-B2 · Jan 2, 2018 · US
Apparatus for burning pulverized solid fuels with oxygen
US-9822967-B2 · Nov 21, 2017 · US
Solid fuel pulverizing device and method for controlling same
US-2017320066-A1 · Nov 9, 2017 · US
Solid-fuel burner
US-9599335-B2 · Mar 21, 2017 · US
Fuel head assembly with replaceable wear components
US-9593795-B2 · Mar 14, 2017 · US
Coal rope distributor with replaceable wear components
US-2017023243-A9 · Jan 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23K2203/008?
- CPC F23K2203/008 is the Cooperative Patent Classification code for “Feeding devices for pulverulent fuel.”
- How many patents are filed under CPC F23K2203/008 (Feeding devices for pulverulent fuel)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F23K2203/008 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).