System and method for heat-treating mineral material
US-2025251194-A1 · Aug 7, 2025 · US
Arrangements of air or gas supply devices
Arrangements of air or gas supply devices · 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 | F27B15/10 |
| Official title | Arrangements of air or gas supply devices |
| Display label | Arrangements of air or gas supply devices |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluidized furnace distribution plate and fluidized furnace including the same
US-2025244079-A1 · Jul 31, 2025 · US
Facility for producing reduced iron and method for producing reduced iron
US-2025027178-A1 · Jan 23, 2025 · US
Industrial Calcination Apparatus
US-2023373854-A1 · Nov 23, 2023 · US
Fluidizing nozzle and fluidized bed reactor
US-11806683-B2 · Nov 7, 2023 · US
Apparatus for fluidized-bed chemical vapour deposition
US-11802336-B2 · Oct 31, 2023 · US
Method for direct reduction in a fluidized bed
US-11685961-B2 · Jun 27, 2023 · US
Apparatus for fluidized-bed chemical vapour deposition
US-2023193459-A1 · Jun 22, 2023 · US
Fluidizing nozzle and fluidized bed reactor
US-2023053424-A1 · Feb 23, 2023 · US
Method for direct reduction in a fluidized bed
US-2022145412-A1 · May 12, 2022 · US
Method and arrangement for controlling a burner of a suspension smelting furnace
US-10746471-B2 · Aug 18, 2020 · US
Method and arrangement for controlling a burner of a suspension smelting furnace
US-2020080784-A1 · Mar 12, 2020 · US
Gas distribution unit for fluidized bed reactor system, fluidized bed reactor system having the gas distribution unit, and method for preparing granular polycrystalline silicon using the fluidized bed reactor system
US-10518237-B2 · Dec 31, 2019 · US
Apparatus and method for calcination of gypsum
US-10350564-B2 · Jul 16, 2019 · US
Pneumatic ore charging
US-10337076-B2 · Jul 2, 2019 · US
Fluidized calciner
US-10280115-B2 · May 7, 2019 · US
System and method for fluidized bed reduction of powdered iron ore
US-10233510-B2 · Mar 19, 2019 · US
System and method for fluidized reduction of iron ore powder
US-10202662-B2 · Feb 12, 2019 · US
Method for producing liquid pig iron
US-2018363075-A1 · Dec 20, 2018 · US
System and method for fluidized direct reduction of iron ore concentrate powder
US-10100379-B2 · Oct 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27B15/10?
- CPC F27B15/10 is the Cooperative Patent Classification code for “Arrangements of air or gas supply devices.”
- How many patents are filed under CPC F27B15/10 (Arrangements of air or gas supply devices)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC F27B15/10 growing?
- Publication counts under this code: 6 in 2023 vs 3 in 2025 (latest complete years).