Calcination apparatus and processes with improved co2 capture
US-2025313508-A1 · Oct 9, 2025 · US
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Arrangements of heating devices
Arrangements of heating 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 | F27B15/14 |
| Official title | Arrangements of heating devices |
| Display label | Arrangements of heating devices |
| Total patents | 21 |
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 | 1 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 4 |
| 2023 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Negative-carbon cement (nc2) production
US-2025270137-A1 · Aug 28, 2025 · US
Process for decarbonation of carbonated materials and device thereof
US-2025197278-A1 · Jun 19, 2025 · US
Industrial Calcination Apparatus
US-2023373854-A1 · Nov 23, 2023 · US
Apparatus for fluidized-bed chemical vapour deposition
US-11802336-B2 · Oct 31, 2023 · US
Apparatus for fluidized-bed chemical vapour deposition
US-2023193459-A1 · Jun 22, 2023 · US
Plant and method for the thermal treatment of solids
US-10793928-B2 · Oct 6, 2020 · US
Method and arrangement for controlling a burner of a suspension smelting furnace
US-10746471-B2 · Aug 18, 2020 · US
Plant and method for the thermal treatment of solids
US-2020190613-A1 · Jun 18, 2020 · US
Method and arrangement for controlling a burner of a suspension smelting furnace
US-2020080784-A1 · Mar 12, 2020 · 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
System and method for fluidized direct reduction of iron ore concentrate powder
US-10100379-B2 · Oct 16, 2018 · US
Powder sintering system
US-2017167791-A1 · Jun 15, 2017 · US
System and method for fluidized reduction of iron ore powder
US-2016369360-A1 · Dec 22, 2016 · US
Method and device for introducing fine particle-shaped material into the fluidised bed of a fluidised bed reduction unit
US-9512496-B2 · Dec 6, 2016 · US
System and method for fluidized direct reduction of iron ore concentrate powder
US-2016348198-A1 · Dec 1, 2016 · US
Pneumatic ore charging
US-2016348199-A1 · Dec 1, 2016 · US