System and method for heat-treating mineral material
US-2025251194-A1 · Aug 7, 2025 · US
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Arrangements of controlling devices
Arrangements of controlling 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 | F27B15/18 |
| Official title | Arrangements of controlling devices |
| Display label | Arrangements of controlling devices |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for manufacturing calcined gypsum with temperature control mechanism
US-2025136504-A1 · May 1, 2025 · US
Furnace control method
US-11926527-B2 · Mar 12, 2024 · US
Method for direct reduction in a fluidized bed
US-11685961-B2 · Jun 27, 2023 · US
System and method for manufacturing calcined gypsum with in-line calcination control device
US-2023089781-A1 · Mar 23, 2023 · US
Method for direct reduction in a fluidized bed
US-2022145412-A1 · May 12, 2022 · US
Furnace control method
US-2022048767-A1 · Feb 17, 2022 · 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
Fluidized bed system and method for operating fluidized bed furnace
US-10011794-B2 · Jul 3, 2018 · US
Fluidized bed reactor system
US-9687806-B2 · Jun 27, 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
Fluidized bed reactor system
US-2016288076-A1 · Oct 6, 2016 · US
Method and apparatus for temperature control in a reactor vessel
US-9322076-B2 · Apr 26, 2016 · US
Fluidized bed system and method for operating fluidized bed furnace
US-2016010007-A1 · Jan 14, 2016 · US
Fluidised bed treatment
US-9182174-B2 · Nov 10, 2015 · US
Fluidised bed treatment
US-9074817-B2 · Jul 7, 2015 · US