Optical feedback control mechanism for solid reactant strand positioning
US-12460816-B2 · Nov 4, 2025 · US
Feeding or distributing of lump or pulverulent fuel to combustion apparatus
Feeding or distributing of lump or pulverulent fuel to combustion apparatus · 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 | F23K3/00 |
| Official title | Feeding or distributing of lump or pulverulent fuel to combustion apparatus |
| Display label | Feeding or distributing of lump or pulverulent fuel to combustion apparatus |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion system and prediction device
US-2025244012-A1 · Jul 31, 2025 · US
Control method and system for small pulverized coal silo feeding
US-12359806-B2 · Jul 15, 2025 · US
Modular pressurized coal combustion plant (mccp) for flexible generation
US-2025207772-A1 · Jun 26, 2025 · US
Combustion device and boiler
US-12331926-B2 · Jun 17, 2025 · US
Smoke generating assembly for an indoor smoker
US-2025176572-A1 · Jun 5, 2025 · US
Control method and system for small pulverized coal silo feeding
US-2025122999-A1 · Apr 17, 2025 · US
Modular pressurized coal combustion (MPCC) for flexible generation
US-12222101-B2 · Feb 11, 2025 · US
Online pulverized coal concentration regulator and regulating method
US-12092327-B2 · Sep 17, 2024 · US
Optical feedback control mechanism for solid reactant strand positioning
US-2023366542-A1 · Nov 16, 2023 · US
Online pulverized coal concentration regulator and regulating method
US-2022146097-A1 · May 12, 2022 · US
Pellet hopper liner
US-11162684-B2 · Nov 2, 2021 · US
Simultaneous reaction system and method for organic material pyrolysis and combustion
US-11020702-B2 · Jun 1, 2021 · US
Combustion device and boiler
US-2021140634-A1 · May 13, 2021 · US
Modular pressurized coal combustion (mpcc) for flexible generation
US-2021025585-A1 · Jan 28, 2021 · US
System for energy storage including a heat transfer fluid tank
US-2020173734-A1 · Jun 4, 2020 · US
Pellet hopper liner
US-2019277507-A1 · Sep 12, 2019 · US
Pressure vessel and method therefor
US-10352560-B2 · Jul 16, 2019 · US
A self-powered time sharing reaction system and method for organic materials pyrolysis and combustion
US-2019039010-A1 · Feb 7, 2019 · US
System and method having control for solids pump
US-9970424-B2 · May 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23K3/00?
- CPC F23K3/00 is the Cooperative Patent Classification code for “Feeding or distributing of lump or pulverulent fuel to combustion apparatus.”
- How many patents are filed under CPC F23K3/00 (Feeding or distributing of lump or pulverulent fuel to combustion apparatus)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC F23K3/00 growing?
- Publication counts under this code: 1 in 2024 vs 8 in 2025 (latest complete years).